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Author Topic:   Tire roll
RACEINMUD
Dirt Freak

Total posts: 323
posted May 19, 2003 10:16 AM  
Been running 205/70/15 (82 roll?) and only hitting 4500 on 1/4 mile dirt. Was going to go to 14" rims and was looking at 205/70/14. Somewhere in the forum I thought I saw 1 inch of roll change is equal to 100 rpm. Is that correct? Thanks, Race

racer17j
Dirt Forum Champ
Total posts: 5390
posted May 19, 2003 08:34 PM  
our car is set up on 60 series tires,82" roll is the biggest tire,we put in on the rf.(235/15)lf & rr we run 81" roll (225/15)lr is our smallest tire 79.5 roll(215/15)We run 5200 rpms on our stock geared metric pure stock.TH350 tranny in 1st gear on 1/4 mile high bank clay.Seems to work real good,dont have the pull comming out of turns but set-up along with offset wheels and pro shocks & stock appearing springs we are always chargeing for the front

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