Jon Brogden

Were your tires too soft like some guys are suggesting? Do you see excessive wear? Next obvious questions: Were all 4 tires punching...

Nice Pete , I can see that working well with that big fat radius. Ha! That's where that came from a Muller rule. Chuck, easier and...

Here's what can be done with a WB3A. 1.100 shutter out of a WB20, anything bigger will break out. A Tilly 380 shutter at 1.125 will work...

As far as rod types go , I don't like the heavy rod. It's just extra weight as far as I'm concerned. My preference would be top located...

C2, if your V blocks are much wider than where the bearings race would set your probably getting some errors in your indication. What...

Thank goodness Buller came up with his jackshaft way back. We were running an 1/8 mile dirt track with a 9 tooth clutch and an 80 rear...

We built them for our KT's in the mid 80's because we came out of the motorcycle racing world where a "still airbox" was known to make a...

I built lots of IBEA's years ago for FA. The only changes we ever made to the drill pattern was to add a fourth jet. They are set up to...

Third jet with a clutched engine probably won't ever get enough signal to do much because your not gonna turn enough rpm . Like Magmo...

My thoughts too, that plate pressure plate is gonna take a beating on a 4 cycle jackshaft. We run a 2.71 primary on two cycles so dry...

Hey Pete , what do you think is causing the performance gain , anything beyond just ring seal ? Maybe a lot of residual oil starts...

I did several a EC's where we drilled from the pressure side of the flathead carbs pump ,right into the bore with a .015 bit as a...

That may be more than what you want to get into but since it's non tec , it's easy to pick up airflow even with no bore work. Take the...

You really don't need to do anything with the fuel passageways if running gas. The carbs capable of getting plenty rich , even with a...