Purple slide

P

Phenom20

Member
Looking for carb recommendations on purple slide also rpm range I should target on 1/8th mile dirt. Can hold wide open if the tires are right.

Was going to use

Needle on #1
Float .890
Rpm 4900-5000

Am I close with that?
 
Phenom20 said:
Looking for carb recommendations on purple slide also rpm range I should target on 1/8th mile dirt. Can hold wide open if the tires are right.

Was going to use

Needle on #1
Float .890
Rpm 4900-5000

Am I close with that?
Click to expand...
Depends a lot on how you set your carb up.
I'd be much richer on the needle with the clip on the 3rd or 4th notch. Float height I'd leave a bit on the lean side @ .880.
RPM depends on the track and how much rpm drop you see in the corners, but I'd think 4900 would be alright. Keep pulling two teeth off the rear gear until your lap times go the wrong way. These engines (especially with the long slides) on ovals are all about momentum.


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Brian Carlson
Carlson Racing Engines
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