What rpm do you think i will come thru the traps at ?
Moderator: John_Heard
What rpm do you think i will come thru the traps at ?
Car has 28 inch tall tire 4500 stall and 4.10 gears. What rpm do you think i will come thru the traps at i am trying for 7200 rpm i may have to step up to 4.56 gears. thanks
Re: What rpm do you think i will come thru the traps at ?
1/8 mi. or 1/4 mi. ? I have 4.30 gears a 28" tire with a powerglide and should cross at 6900-7000 rpm's on the 1/8 mi......
Last edited by supernova on Wed Jun 02, 2010 10:18 am, edited 1 time in total.
Blackhoodmafia!!!!
1972 Nova SS
572 C.I. BBC
Best to date: 1/8
et: 5.28
mph: 134
new wt. 3340 lbs
1972 Nova SS
572 C.I. BBC
Best to date: 1/8
et: 5.28
mph: 134
new wt. 3340 lbs
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- Posts: 165
- Joined: Wed Nov 22, 2006 6:10 pm
- Location: Lancaster CA.
Re: What rpm do you think i will come thru the traps at ?
I also have 4.30 gears and go thru the 1/4 at 7000.....really depends on how much power you have and the weight of the car.
3100 lb N/A SBC 8.81 @ 152 http://www.youtube.com/watch?v=wkww0xwoZXE
Re: What rpm do you think i will come thru the traps at ?
My car runs 135 mph in the 1/4 turns right around 7k through the traps. 28x10.5 tire with a 4.3 gear. You need to factor in converter slip into the rpm at the stripe.
Re: What rpm do you think i will come thru the traps at ?
I am looking for 1/4 mile car weights in around 3200 and car has a 434 sbc making 650 hp.
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- Posts: 165
- Joined: Wed Nov 22, 2006 6:10 pm
- Location: Lancaster CA.
Re: What rpm do you think i will come thru the traps at ?
My guess would be 4.30 or 4.56 is what will be needed.....but if you have 4.11's now...i would start with them.
3100 lb N/A SBC 8.81 @ 152 http://www.youtube.com/watch?v=wkww0xwoZXE
Re: What rpm do you think i will come thru the traps at ?
Is there a formula or calculator to determine trap speed? thanks
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