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post #1 of 5 Old 05-07-2016, 08:59 PM Thread Starter
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same et

i went to a 29 tall tire to try to lower the rpms going down the track.
it was turning 6500 before. the truck ran the same et as before [email protected] and it ran a ([email protected] mph) this time and it dropped the rpms to about 6200

https://youtu.be/gwJMNlgFb9k


1994 ranger 347 c4 4:30 gears best pass [email protected]
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post #2 of 5 Old 05-08-2016, 09:22 AM
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It looks like you succeeded in lowering your rpm at the end of the track. Off by 1 mph from before, but a lot of things can cause that. So, good job!


1989 Saleen 414 358cid SBF 2.8L Kenne Bell S/C
26 X 8.5 Hoosier
Best 1/4 mile time 8.623 @ 159.82 mph with a 1.34 60' (5.57 1/8th at 128)
Best 1/8 mile time 5.339 @ 133.46 mph with a 1.29 60'
08' Bullitt #4097 N/A 340ish RWHP <<<<<FOR SALE!
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post #3 of 5 Old 05-08-2016, 11:44 AM Thread Starter
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thanks this is my truck I just cant drive it for health reasons. my dad drives it and we both help pay for it so its not as bad buying stuff for it. I would ask him what rpm it is when it goes across the line and he does not remember things very good so one day it would be 6000 going across the line then the next time he would tell me something else. I put my go pro inside and I can hear it hit the rev limiter when he shifts it. I looked and we had a 6700 rev limit so I raised it to 7,000 now. so I hope that helps some.

https://youtu.be/8tdHCk2C61I

1994 ranger 347 c4 4:30 gears best pass [email protected]
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post #4 of 5 Old 05-08-2016, 01:17 PM
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What was your 60 foot before the tire swap and after. With a bigger tire you might have taken some gear out of your truck.
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post #5 of 5 Old 05-08-2016, 01:54 PM Thread Starter
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the tires before where et streets. it got a better 60 foot with the 29 inch tall slicks.


1994 ranger 347 c4 4:30 gears best pass [email protected]
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