Gear & Tire question
I have an 70 nova bracket car, looks like it was built around the 90s or so. The car is on 33x10.5 Hoosier slicks, 5:13s in the rear. I’m hitting trap around 63-6500. How would going down to 29s affect my car? Car is running around 7.4-7.5.
Car specs: 12 bolt Strange axles 5.13 gears Th400 reverse manual valvebody no brake 60 over 350 Dome top pistons H beam rods Solid lift cam Holley alum heads Quick fuel 750 |
Re: Gear & Tire question
1/8th mile?
cam specs? converter size, flash rpm and fall back rpm stock suspension? footbrake? |
Re: Gear & Tire question
@1320racer 1/8th mile unsure of cam specs haven’t torn apart to get numbers or anything, ladder bar, and footbrake is about all the info I can give you lol
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Re: Gear & Tire question
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Re: Gear & Tire question
Summit has a gear ratio calculator on their site. Plug in the info it should get you close
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Re: Gear & Tire question
So, you must be trapping about 118mph at 6500?
33 to 29 inch tire jumps you from 6475rpm to 7367rpm. (approx) http://wallaceracing.com/calc-gear-tire-rpm-mph.php |
Re: Gear & Tire question
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Don’t know if he mentioned it is 1/8 mile. Lol. I do believe some of these calculators have 1/8 mile data |
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