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Author Topic:   RPM
JRB13
Dirt Forum Racer

Total posts: 80
posted December 07, 2003 05:47 PM  
6.07 FINAL GEAR 85" ROLL 3/8 BANKED WHAT KIND OF RPM WILL I BE TURNING?

racer17j
Dirt Forum Champ
Total posts: 5390
posted December 07, 2003 08:15 PM  
I run a 6.12 final drive,80-83 roll out, and we also run a medium banked 3/8 track. I usually have the rpm's to 6,000 by the end of the straights. come out of the corners at about 4000-4500.

JRB13
Dirt Forum Racer

Total posts: 80
posted December 08, 2003 06:31 PM  
THANKS HELP IS GREATLY APPRECIATED

Flanndad
Dirt Freak

Total posts: 255
posted December 09, 2003 05:34 AM  
I run a 88 rollout right rear (American Racer P245), I ran 1.75 second gear with a 3.50 rear end which equals 6.13 and turned 5,800 on a 3/8 mile.
Which wasn't bad with a 406 chevy.
Would of liked about 400rpm more.

bobaluuu
Dirt Freak

Total posts: 474
posted December 10, 2003 11:04 PM  
[same track with a 273rear gear/350 trans
91"rr 4bbl we hit 6700-6900 regularly. Its the cam silly. depends on how fast you get the r's up there

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