Tire size??

gnxs

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Apr 26, 2004
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Robertson Racin said:
With a 3:90 rear gear is a 26" rear tire to small, do I have to run a 28"????


If so, I don't have time to get new tires..

Gonna need some more information:
- redline?
- expected trap speed?

Since I seem to remember you having cams (juice?) those two pieces of info are particularly relevant? However, I plugged the numbers into a calculator and it looks like 7,000 rpm in 4th with the 28 inch tires and 3.90 gears should yield 149 mph.
 

gnxs

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Apr 26, 2004
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Robertson Racin said:
I don't think I'm going to be able to get traction,

275/17 BFG Drag Radial.. Set at 15psi..

650rwhp, my redline is 7500.. 3:90 rear gear..


I might leave off idle, I don't have time to get rims w/slicks...

I guess I misunderstood your question. I thought you were asking if you'd run out of gear in 4th.
 
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