Firestone Information, RS YJF & LS YLF and cool weather tire conditioning

Mike Dowell

New member
Good general areas to hunt in oz wise inside soaking for Firestone RS YJF tires, in cool weather racing, 3oz - 3 1/2 - 4 - 4 1/2 - 5-oz range. Good general YJF RS softness ranges to hunt in Damp packed track conditions and depending on your track conditions 40-42-45-48-50-52 range.
Good stager to run Front stagger 1 1/2 to 1 5/8 to 1 3/4 range.
Good Rear stagger to run Tighter 5/8 ) Looser 3/4 to 7/8 to 1 Inch range.
always use a tire band when mounting your tires.

Remember when soaking in side the tire.
More oz Softer
Less oz Harder

Left side YLF inside soaking oz Ranges Depending on what your tires durometer at air Temperature.
LF 550-6 YLF oz inside - 3oz to 3 1/2 to 4oz range.
LR 600-6 YJF oz inside - 1 1/2 to 2 to 2 1/2 oz range.
Remember to always mount your tires using a tire band.

Good wheel widths to run LF -6 1/2, LR 8 1/4, RF 10 RR 10.
LR 600-6 will need some streching should come out on wheel at 32 3/8 to 32 1/2 range when blowed out on wheel. Strech LR 1 1/2 inches bigger than what it comes out at and Let it set for 5 minutes let air out and check stagger tire should come out in the 32 3/4 to 33 inch range, If you need to just repeat streching of LR a secound time and let set for 5 minutes.

LF YLF 550-6 will come out stagger wise at 32 to 32 1/4 range on a 6 1/2 wheel.

Good general Air pressure ranges to run Firestone LS/RS depending on your surface & grip Track conditions.
Air pressure ranges Wetter/Damp packed track conditions.
3-4
3 1/2 to 4 1/2
4-5
4 1/2 to 5 1/2
5-6
5 1/2 to 6 1/2
6-7
6 1/2 to 7 1/2
Dryer/Harder packed track conditions
Feel your way along on air pressure, Remember you may need to adjust your Air pressure from day time, to evening, to Dark night time racing conditions depending on your track conditions and what the lap times are.

When Racing new Tires remember to turn your RS tires around on the wheels after every 40 Laps run to get better wear and longer tire life from your tires.
Good general new tire life range for serious racing conditions RS tires 100 Lap range or more.
Good luck in what you find.
 

Mike Dowell

New member
Firestone Information, RS YJF & LS YLF and cool weather tire conditioning
Good general areas to hunt in oz wise inside soaking for Firestone RS YJF tires, in cool weather racing, 3oz - 3 1/2 - 4 - 4 1/2 - 5-oz range. Good general YJF RS softness ranges to hunt in Damp packed track conditions and depending on your track conditions 40-42-45-48-50-52 range.
Good stager to run Front stagger 1 1/2 to 1 5/8 to 1 3/4 range.
Good Rear stagger to run Tighter 5/8 ) Looser 3/4 to 7/8 to 1 Inch range.
always use a tire band when mounting your tires.

Remember when soaking in side the tire.
More oz Softer
Less oz Harder

Left side YLF inside soaking oz Ranges Depending on what your tires durometer at air Temperature.
LF 550-6 YLF oz inside - 3oz to 3 1/2 to 4oz range.
LR 600-6 YJF oz inside - 1 1/2 to 2 to 2 1/2 oz range.
Remember to always mount your tires using a tire band.

Good wheel widths to run LF -6 1/2, LR 8 1/4, RF 10 RR 10.
LR 600-6 will need some streching should come out on wheel at 32 3/8 to 32 1/2 range when blowed out on wheel. Strech LR 1 1/2 inches bigger than what it comes out at and Let it set for 5 minutes let air out and check stagger tire should come out in the 32 3/4 to 33 inch range, If you need to just repeat streching of LR a secound time and let set for 5 minutes.

LF YLF 550-6 will come out stagger wise at 32 to 32 1/4 range on a 6 1/2 wheel.

Good general Air pressure ranges to run Firestone LS/RS depending on your surface & grip Track conditions.
Air pressure ranges Wetter/Damp packed track conditions.
3-4
3 1/2 to 4 1/2
4-5
4 1/2 to 5 1/2
5-6
5 1/2 to 6 1/2
6-7
6 1/2 to 7 1/2
Dryer/Harder packed track conditions
Feel your way along on air pressure, Remember you may need to adjust your Air pressure from day time, to evening, to Dark night time racing conditions depending on your track conditions and what the lap times are.

When Racing new Tires remember to turn your RS tires around on the wheels after every 40 Laps run to get better wear and longer tire life from your tires.
Good general new tire life range for serious racing conditions RS tires 100 Lap range or more.
Good luck in what you find.
 

Mike Dowell

New member
Firestone Information, RS YJF & LS YLF and cool weather tire conditioning
Good general areas to hunt in oz wise inside soaking for Firestone RS YJF tires, in cool weather racing, 3oz - 3 1/2 - 4 - 4 1/2 - 5-oz range. Good general YJF RS softness ranges to hunt in Damp packed track conditions and depending on your track conditions 40-42-45-48-50-52 range.
Good stager to run Front stagger 1 1/2 to 1 5/8 to 1 3/4 range.
Good Rear stagger to run Tighter 5/8 ) Looser 3/4 to 7/8 to 1 Inch range.
always use a tire band when mounting your tires.

Remember when soaking in side the tire.
More oz Softer
Less oz Harder

Left side YLF inside soaking oz Ranges Depending on what your tires durometer at air Temperature.
LF 550-6 YLF oz inside - 3oz to 3 1/2 to 4oz range.
LR 600-6 YJF oz inside - 1 1/2 to 2 to 2 1/2 oz range.
Remember to always mount your tires using a tire band.

Good wheel widths to run LF -6 1/2, LR 8 1/4, RF 10 RR 10.
LR 600-6 will need some streching should come out on wheel at 32 3/8 to 32 1/2 range when blowed out on wheel. Strech LR 1 1/2 inches bigger than what it comes out at and Let it set for 5 minutes let air out and check stagger tire should come out in the 32 3/4 to 33 inch range, If you need to just repeat streching of LR a secound time and let set for 5 minutes.

LF YLF 550-6 will come out stagger wise at 32 to 32 1/4 range on a 6 1/2 wheel.

Good general Air pressure ranges to run Firestone LS/RS depending on your surface & grip Track conditions.
Air pressure ranges Wetter/Damp packed track conditions.
3-4
3 1/2 to 4 1/2
4-5
4 1/2 to 5 1/2
5-6
5 1/2 to 6 1/2
6-7
6 1/2 to 7 1/2
Dryer/Harder packed track conditions
Feel your way along on air pressure, Remember you may need to adjust your Air pressure from day time, to evening, to Dark night time racing conditions depending on your track conditions and what the lap times are.

When Racing new Tires remember to turn your RS tires around on the wheels after every 40 Laps run to get better wear and longer tire life from your tires.
Good general new tire life range for serious racing conditions RS tires 100 Lap range or more.
Good luck in what you find.
 

Mike Dowell

New member
Firestone Information, RS YJF & LS YLF and cool weather tire conditioning
Good general areas to hunt in oz wise inside soaking for Firestone RS YJF tires, in cool weather racing, 3oz - 3 1/2 - 4 - 4 1/2 - 5-oz range. Good general YJF RS softness ranges to hunt in Damp packed track conditions and depending on your track conditions 40-42-45-48-50-52 range.
Good stager to run Front stagger 1 1/2 to 1 5/8 to 1 3/4 range.
Good Rear stagger to run Tighter 5/8 ) Looser 3/4 to 7/8 to 1 Inch range.
always use a tire band when mounting your tires.

Remember when soaking in side the tire.
More oz Softer
Less oz Harder

Left side YLF inside soaking oz Ranges Depending on what your tires durometer at air Temperature.
LF 550-6 YLF oz inside - 3oz to 3 1/2 to 4oz range.
LR 600-6 YJF oz inside - 1 1/2 to 2 to 2 1/2 oz range.
Remember to always mount your tires using a tire band.

Good wheel widths to run LF -6 1/2, LR 8 1/4, RF 10 RR 10.
LR 600-6 will need some streching should come out on wheel at 32 3/8 to 32 1/2 range when blowed out on wheel. Strech LR 1 1/2 inches bigger than what it comes out at and Let it set for 5 minutes let air out and check stagger tire should come out in the 32 3/4 to 33 inch range, If you need to just repeat streching of LR a secound time and let set for 5 minutes.

LF YLF 550-6 will come out stagger wise at 32 to 32 1/4 range on a 6 1/2 wheel.

Good general Air pressure ranges to run Firestone LS/RS depending on your surface & grip Track conditions.
Air pressure ranges Wetter/Damp packed track conditions.
3-4
3 1/2 to 4 1/2
4-5
4 1/2 to 5 1/2
5-6
5 1/2 to 6 1/2
6-7
6 1/2 to 7 1/2
Dryer/Harder packed track conditions
Feel your way along on air pressure, Remember you may need to adjust your Air pressure from day time, to evening, to Dark night time racing conditions depending on your track conditions and what the lap times are.

When Racing new Tires remember to turn your RS tires around on the wheels after every 40 Laps run to get better wear and longer tire life from your tires.
Good general new tire life range for serious racing conditions RS tires 100 Lap range or more.
Good luck in what you find.
 

Mike Dowell

New member
Firestone Information, RS YJF & LS YLF and cool weather tire conditioning
Good general areas to hunt in oz wise inside soaking for Firestone RS YJF tires, in cool weather racing, 3oz - 3 1/2 - 4 - 4 1/2 - 5-oz range. Good general YJF RS softness ranges to hunt in Damp packed track conditions and depending on your track conditions 40-42-45-48-50-52 range.
Good stager to run Front stagger 1 1/2 to 1 5/8 to 1 3/4 range.
Good Rear stagger to run Tighter 5/8 ) Looser 3/4 to 7/8 to 1 Inch range.
always use a tire band when mounting your tires.

Remember when soaking in side the tire.
More oz Softer
Less oz Harder

Left side YLF inside soaking oz Ranges Depending on what your tires durometer at air Temperature.
LF 550-6 YLF oz inside - 3oz to 3 1/2 to 4oz range.
LR 600-6 YJF oz inside - 1 1/2 to 2 to 2 1/2 oz range.
Remember to always mount your tires using a tire band.

Good wheel widths to run LF -6 1/2, LR 8 1/4, RF 10 RR 10.
LR 600-6 will need some streching should come out on wheel at 32 3/8 to 32 1/2 range when blowed out on wheel. Strech LR 1 1/2 inches bigger than what it comes out at and Let it set for 5 minutes let air out and check stagger tire should come out in the 32 3/4 to 33 inch range, If you need to just repeat streching of LR a secound time and let set for 5 minutes.

LF YLF 550-6 will come out stagger wise at 32 to 32 1/4 range on a 6 1/2 wheel.

Good general Air pressure ranges to run Firestone LS/RS depending on your surface & grip Track conditions.
Air pressure ranges Wetter/Damp packed track conditions.
3-4
3 1/2 to 4 1/2
4-5
4 1/2 to 5 1/2
5-6
5 1/2 to 6 1/2
6-7
6 1/2 to 7 1/2
Dryer/Harder packed track conditions
Feel your way along on air pressure, Remember you may need to adjust your Air pressure from day time, to evening, to Dark night time racing conditions depending on your track conditions and what the lap times are.

When Racing new Tires remember to turn your RS tires around on the wheels after every 40 Laps run to get better wear and longer tire life from your tires.
Good general new tire life range for serious racing conditions RS tires 100 Lap range or more.
Good luck in what you find.
 

Mike Dowell

New member
Firestone Information, RS YJF & LS YLF and cool weather tire conditioning
Good general areas to hunt in oz wise inside soaking for Firestone RS YJF tires, in cool weather racing, 3oz - 3 1/2 - 4 - 4 1/2 - 5-oz range. Good general YJF RS softness ranges to hunt in Damp packed track conditions and depending on your track conditions 40-42-45-48-50-52 range.
Good stager to run Front stagger 1 1/2 to 1 5/8 to 1 3/4 range.
Good Rear stagger to run Tighter 5/8 ) Looser 3/4 to 7/8 to 1 Inch range.
always use a tire band when mounting your tires.

Remember when soaking in side the tire.
More oz Softer
Less oz Harder

Left side YLF inside soaking oz Ranges Depending on what your tires durometer at air Temperature.
LF 550-6 YLF oz inside - 3oz to 3 1/2 to 4oz range.
LR 600-6 YJF oz inside - 1 1/2 to 2 to 2 1/2 oz range.
Remember to always mount your tires using a tire band.

Good wheel widths to run LF -6 1/2, LR 8 1/4, RF 10 RR 10.
LR 600-6 will need some streching should come out on wheel at 32 3/8 to 32 1/2 range when blowed out on wheel. Strech LR 1 1/2 inches bigger than what it comes out at and Let it set for 5 minutes let air out and check stagger tire should come out in the 32 3/4 to 33 inch range, If you need to just repeat streching of LR a secound time and let set for 5 minutes.

LF YLF 550-6 will come out stagger wise at 32 to 32 1/4 range on a 6 1/2 wheel.

Good general Air pressure ranges to run Firestone LS/RS depending on your surface & grip Track conditions.
Air pressure ranges Wetter/Damp packed track conditions.
3-4
3 1/2 to 4 1/2
4-5
4 1/2 to 5 1/2
5-6
5 1/2 to 6 1/2
6-7
6 1/2 to 7 1/2
Dryer/Harder packed track conditions
Feel your way along on air pressure, Remember you may need to adjust your Air pressure from day time, to evening, to Dark night time racing conditions depending on your track conditions and what the lap times are.

When Racing new Tires remember to turn your RS tires around on the wheels after every 40 Laps run to get better wear and longer tire life from your tires.
Good general new tire life range for serious racing conditions RS tires 100 Lap range or more.
Good luck in what you find.
 

Mike Dowell

New member
Firestone Information, RS YJF & LS YLF and cool weather tire conditioning
Good general areas to hunt in oz wise inside soaking for Firestone RS YJF tires, in cool weather racing, 3oz - 3 1/2 - 4 - 4 1/2 - 5-oz range. Good general YJF RS softness ranges to hunt in Damp packed track conditions and depending on your track conditions 40-42-45-48-50-52 range.
Good stager to run Front stagger 1 1/2 to 1 5/8 to 1 3/4 range.
Good Rear stagger to run Tighter 5/8 ) Looser 3/4 to 7/8 to 1 Inch range.
always use a tire band when mounting your tires.

Remember when soaking in side the tire.
More oz Softer
Less oz Harder

Left side YLF inside soaking oz Ranges Depending on what your tires durometer at air Temperature.
LF 550-6 YLF oz inside - 3oz to 3 1/2 to 4oz range.
LR 600-6 YJF oz inside - 1 1/2 to 2 to 2 1/2 oz range.
Remember to always mount your tires using a tire band.

Good wheel widths to run LF -6 1/2, LR 8 1/4, RF 10 RR 10.
LR 600-6 will need some streching should come out on wheel at 32 3/8 to 32 1/2 range when blowed out on wheel. Strech LR 1 1/2 inches bigger than what it comes out at and Let it set for 5 minutes let air out and check stagger tire should come out in the 32 3/4 to 33 inch range, If you need to just repeat streching of LR a secound time and let set for 5 minutes.

LF YLF 550-6 will come out stagger wise at 32 to 32 1/4 range on a 6 1/2 wheel.

Good general Air pressure ranges to run Firestone LS/RS depending on your surface & grip Track conditions.
Air pressure ranges Wetter/Damp packed track conditions.
3-4
3 1/2 to 4 1/2
4-5
4 1/2 to 5 1/2
5-6
5 1/2 to 6 1/2
6-7
6 1/2 to 7 1/2
Dryer/Harder packed track conditions
Feel your way along on air pressure, Remember you may need to adjust your Air pressure from day time, to evening, to Dark night time racing conditions depending on your track conditions and what the lap times are.

When Racing new Tires remember to turn your RS tires around on the wheels after every 40 Laps run to get better wear and longer tire life from your tires.
Good general new tire life range for serious racing conditions RS tires 100 Lap range or more.
Good luck in what you find.
 

Mike Dowell

New member
Firestone Information, RS YJF & LS YLF and cool weather tire conditioning
Good general areas to hunt in oz wise inside soaking for Firestone RS YJF tires, in cool weather racing, 3oz - 3 1/2 - 4 - 4 1/2 - 5-oz range. Good general YJF RS softness ranges to hunt in Damp packed track conditions and depending on your track conditions 40-42-45-48-50-52 range.
Good stager to run Front stagger 1 1/2 to 1 5/8 to 1 3/4 range.
Good Rear stagger to run Tighter 5/8 ) Looser 3/4 to 7/8 to 1 Inch range.
always use a tire band when mounting your tires.

Remember when soaking in side the tire.
More oz Softer
Less oz Harder

Left side YLF inside soaking oz Ranges Depending on what your tires durometer at air Temperature.
LF 550-6 YLF oz inside - 3oz to 3 1/2 to 4oz range.
LR 600-6 YJF oz inside - 1 1/2 to 2 to 2 1/2 oz range.
Remember to always mount your tires using a tire band.

Good wheel widths to run LF -6 1/2, LR 8 1/4, RF 10 RR 10.
LR 600-6 will need some streching should come out on wheel at 32 3/8 to 32 1/2 range when blowed out on wheel. Strech LR 1 1/2 inches bigger than what it comes out at and Let it set for 5 minutes let air out and check stagger tire should come out in the 32 3/4 to 33 inch range, If you need to just repeat streching of LR a secound time and let set for 5 minutes.

LF YLF 550-6 will come out stagger wise at 32 to 32 1/4 range on a 6 1/2 wheel.

Good general Air pressure ranges to run Firestone LS/RS depending on your surface & grip Track conditions.
Air pressure ranges Wetter/Damp packed track conditions.
3-4
3 1/2 to 4 1/2
4-5
4 1/2 to 5 1/2
5-6
5 1/2 to 6 1/2
6-7
6 1/2 to 7 1/2
Dryer/Harder packed track conditions
Feel your way along on air pressure, Remember you may need to adjust your Air pressure from day time, to evening, to Dark night time racing conditions depending on your track conditions and what the lap times are.

When Racing new Tires remember to turn your RS tires around on the wheels after every 40 Laps run to get better wear and longer tire life from your tires.
Good general new tire life range for serious racing conditions RS tires 100 Lap range or more.
Good luck in what you find.
 

Mike Dowell

New member
Firestone Information, RS YJF & LS YLF and cool weather tire conditioning
Good general areas to hunt in oz wise inside soaking for Firestone RS YJF tires, in cool weather racing, 3oz - 3 1/2 - 4 - 4 1/2 - 5-oz range. Good general YJF RS softness ranges to hunt in Damp packed track conditions and depending on your track conditions 40-42-45-48-50-52 range.
Good stager to run Front stagger 1 1/2 to 1 5/8 to 1 3/4 range.
Good Rear stagger to run Tighter 5/8 ) Looser 3/4 to 7/8 to 1 Inch range.
always use a tire band when mounting your tires.

Remember when soaking in side the tire.
More oz Softer
Less oz Harder

Left side YLF inside soaking oz Ranges Depending on what your tires durometer at air Temperature.
LF 550-6 YLF oz inside - 3oz to 3 1/2 to 4oz range.
LR 600-6 YJF oz inside - 1 1/2 to 2 to 2 1/2 oz range.
Remember to always mount your tires using a tire band.

Good wheel widths to run LF -6 1/2, LR 8 1/4, RF 10 RR 10.
LR 600-6 will need some streching should come out on wheel at 32 3/8 to 32 1/2 range when blowed out on wheel. Strech LR 1 1/2 inches bigger than what it comes out at and Let it set for 5 minutes let air out and check stagger tire should come out in the 32 3/4 to 33 inch range, If you need to just repeat streching of LR a secound time and let set for 5 minutes.

LF YLF 550-6 will come out stagger wise at 32 to 32 1/4 range on a 6 1/2 wheel.

Good general Air pressure ranges to run Firestone LS/RS depending on your surface & grip Track conditions.
Air pressure ranges Wetter/Damp packed track conditions.
3-4
3 1/2 to 4 1/2
4-5
4 1/2 to 5 1/2
5-6
5 1/2 to 6 1/2
6-7
6 1/2 to 7 1/2
Dryer/Harder packed track conditions
Feel your way along on air pressure, Remember you may need to adjust your Air pressure from day time, to evening, to Dark night time racing conditions depending on your track conditions and what the lap times are.

When Racing new Tires remember to turn your RS tires around on the wheels after every 40 Laps run to get better wear and longer tire life from your tires.
Good general new tire life range for serious racing conditions RS tires 100 Lap range or more.
Good luck in what you find.
 

Mike Dowell

New member
Firestone Information, RS YJF & LS YLF and cool weather tire conditioning
Good general areas to hunt in oz wise inside soaking for Firestone RS YJF tires, in cool weather racing, 3oz - 3 1/2 - 4 - 4 1/2 - 5-oz range. Good general YJF RS softness ranges to hunt in Damp packed track conditions and depending on your track conditions 40-42-45-48-50-52 range.
Good stager to run Front stagger 1 1/2 to 1 5/8 to 1 3/4 range.
Good Rear stagger to run Tighter 5/8 ) Looser 3/4 to 7/8 to 1 Inch range.
always use a tire band when mounting your tires.

Remember when soaking in side the tire.
More oz Softer
Less oz Harder

Left side YLF inside soaking oz Ranges Depending on what your tires durometer at air Temperature.
LF 550-6 YLF oz inside - 3oz to 3 1/2 to 4oz range.
LR 600-6 YJF oz inside - 1 1/2 to 2 to 2 1/2 oz range.
Remember to always mount your tires using a tire band.

Good wheel widths to run LF -6 1/2, LR 8 1/4, RF 10 RR 10.
LR 600-6 will need some streching should come out on wheel at 32 3/8 to 32 1/2 range when blowed out on wheel. Strech LR 1 1/2 inches bigger than what it comes out at and Let it set for 5 minutes let air out and check stagger tire should come out in the 32 3/4 to 33 inch range, If you need to just repeat streching of LR a secound time and let set for 5 minutes.

LF YLF 550-6 will come out stagger wise at 32 to 32 1/4 range on a 6 1/2 wheel.

Good general Air pressure ranges to run Firestone LS/RS depending on your surface & grip Track conditions.
Air pressure ranges Wetter/Damp packed track conditions.
3-4
3 1/2 to 4 1/2
4-5
4 1/2 to 5 1/2
5-6
5 1/2 to 6 1/2
6-7
6 1/2 to 7 1/2
Dryer/Harder packed track conditions
Feel your way along on air pressure, Remember you may need to adjust your Air pressure from day time, to evening, to Dark night time racing conditions depending on your track conditions and what the lap times are.

When Racing new Tires remember to turn your RS tires around on the wheels after every 40 Laps run to get better wear and longer tire life from your tires.
Good general new tire life range for serious racing conditions RS tires 100 Lap range or more.
Good luck in what you find.
 

Mike Dowell

New member
Firestone Information, RS YJF & LS YLF and cool weather tire conditioning
Good general areas to hunt in oz wise inside soaking for Firestone RS YJF tires, in cool weather racing, 3oz - 3 1/2 - 4 - 4 1/2 - 5-oz range. Good general YJF RS softness ranges to hunt in Damp packed track conditions and depending on your track conditions 40-42-45-48-50-52 range.
Good stager to run Front stagger 1 1/2 to 1 5/8 to 1 3/4 range.
Good Rear stagger to run Tighter 5/8 ) Looser 3/4 to 7/8 to 1 Inch range.
always use a tire band when mounting your tires.

Remember when soaking in side the tire.
More oz Softer
Less oz Harder

Left side YLF inside soaking oz Ranges Depending on what your tires durometer at air Temperature.
LF 550-6 YLF oz inside - 3oz to 3 1/2 to 4oz range.
LR 600-6 YJF oz inside - 1 1/2 to 2 to 2 1/2 oz range.
Remember to always mount your tires using a tire band.

Good wheel widths to run LF -6 1/2, LR 8 1/4, RF 10 RR 10.
LR 600-6 will need some streching should come out on wheel at 32 3/8 to 32 1/2 range when blowed out on wheel. Strech LR 1 1/2 inches bigger than what it comes out at and Let it set for 5 minutes let air out and check stagger tire should come out in the 32 3/4 to 33 inch range, If you need to just repeat streching of LR a secound time and let set for 5 minutes.

LF YLF 550-6 will come out stagger wise at 32 to 32 1/4 range on a 6 1/2 wheel.

Good general Air pressure ranges to run Firestone LS/RS depending on your surface & grip Track conditions.
Air pressure ranges Wetter/Damp packed track conditions.
3-4
3 1/2 to 4 1/2
4-5
4 1/2 to 5 1/2
5-6
5 1/2 to 6 1/2
6-7
6 1/2 to 7 1/2
Dryer/Harder packed track conditions
Feel your way along on air pressure, Remember you may need to adjust your Air pressure from day time, to evening, to Dark night time racing conditions depending on your track conditions and what the lap times are.

When Racing new Tires remember to turn your RS tires around on the wheels after every 40 Laps run to get better wear and longer tire life from your tires.
Good general new tire life range for serious racing conditions RS tires 100 Lap range or more.
Good luck in what you find.
 

Mike Dowell

New member
Firestone Information, RS YJF & LS YLF and cool weather tire conditioning
Good general areas to hunt in oz wise inside soaking for Firestone RS YJF tires, in cool weather racing, 3oz - 3 1/2 - 4 - 4 1/2 - 5-oz range. Good general YJF RS softness ranges to hunt in Damp packed track conditions and depending on your track conditions 40-42-45-48-50-52 range.
Good stager to run Front stagger 1 1/2 to 1 5/8 to 1 3/4 range.
Good Rear stagger to run Tighter 5/8 ) Looser 3/4 to 7/8 to 1 Inch range.
always use a tire band when mounting your tires.

Remember when soaking in side the tire.
More oz Softer
Less oz Harder

Left side YLF inside soaking oz Ranges Depending on what your tires durometer at air Temperature.
LF 550-6 YLF oz inside - 3oz to 3 1/2 to 4oz range.
LR 600-6 YJF oz inside - 1 1/2 to 2 to 2 1/2 oz range.
Remember to always mount your tires using a tire band.

Good wheel widths to run LF -6 1/2, LR 8 1/4, RF 10 RR 10.
LR 600-6 will need some streching should come out on wheel at 32 3/8 to 32 1/2 range when blowed out on wheel. Strech LR 1 1/2 inches bigger than what it comes out at and Let it set for 5 minutes let air out and check stagger tire should come out in the 32 3/4 to 33 inch range, If you need to just repeat streching of LR a secound time and let set for 5 minutes.

LF YLF 550-6 will come out stagger wise at 32 to 32 1/4 range on a 6 1/2 wheel.

Good general Air pressure ranges to run Firestone LS/RS depending on your surface & grip Track conditions.
Air pressure ranges Wetter/Damp packed track conditions.
3-4
3 1/2 to 4 1/2
4-5
4 1/2 to 5 1/2
5-6
5 1/2 to 6 1/2
6-7
6 1/2 to 7 1/2
Dryer/Harder packed track conditions
Feel your way along on air pressure, Remember you may need to adjust your Air pressure from day time, to evening, to Dark night time racing conditions depending on your track conditions and what the lap times are.

When Racing new Tires remember to turn your RS tires around on the wheels after every 40 Laps run to get better wear and longer tire life from your tires.
Good general new tire life range for serious racing conditions RS tires 100 Lap range or more.
Good luck in what you find.
 

Mike Dowell

New member
Firestone Information, RS YJF & LS YLF and cool weather tire conditioning
Good general areas to hunt in oz wise inside soaking for Firestone RS YJF tires, in cool weather racing, 3oz - 3 1/2 - 4 - 4 1/2 - 5-oz range. Good general YJF RS softness ranges to hunt in Damp packed track conditions and depending on your track conditions 40-42-45-48-50-52 range.
Good stager to run Front stagger 1 1/2 to 1 5/8 to 1 3/4 range.
Good Rear stagger to run Tighter 5/8 ) Looser 3/4 to 7/8 to 1 Inch range.
always use a tire band when mounting your tires.

Remember when soaking in side the tire.
More oz Softer
Less oz Harder

Left side YLF inside soaking oz Ranges Depending on what your tires durometer at air Temperature.
LF 550-6 YLF oz inside - 3oz to 3 1/2 to 4oz range.
LR 600-6 YJF oz inside - 1 1/2 to 2 to 2 1/2 oz range.
Remember to always mount your tires using a tire band.

Good wheel widths to run LF -6 1/2, LR 8 1/4, RF 10 RR 10.
LR 600-6 will need some streching should come out on wheel at 32 3/8 to 32 1/2 range when blowed out on wheel. Strech LR 1 1/2 inches bigger than what it comes out at and Let it set for 5 minutes let air out and check stagger tire should come out in the 32 3/4 to 33 inch range, If you need to just repeat streching of LR a secound time and let set for 5 minutes.

LF YLF 550-6 will come out stagger wise at 32 to 32 1/4 range on a 6 1/2 wheel.

Good general Air pressure ranges to run Firestone LS/RS depending on your surface & grip Track conditions.
Air pressure ranges Wetter/Damp packed track conditions.
3-4
3 1/2 to 4 1/2
4-5
4 1/2 to 5 1/2
5-6
5 1/2 to 6 1/2
6-7
6 1/2 to 7 1/2
Dryer/Harder packed track conditions
Feel your way along on air pressure, Remember you may need to adjust your Air pressure from day time, to evening, to Dark night time racing conditions depending on your track conditions and what the lap times are.

When Racing new Tires remember to turn your RS tires around on the wheels after every 40 Laps run to get better wear and longer tire life from your tires.
Good general new tire life range for serious racing conditions RS tires 100 Lap range or more.
Good luck in what you find.
 
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