Bonestock Posted August 25, 2009 Report Share Posted August 25, 2009 Looking to run at Thunderhill Raceway, any help on what gears/tranny to run would be appreciated. Link to comment Share on other sites More sharing options...
Crazyhorse Posted August 25, 2009 Report Share Posted August 25, 2009 i run a 626. some are running 615. my grandad says his 603 is not enough. the spectacular is our last race of the season there. the sept 12th date was cancelled. thanX Link to comment Share on other sites More sharing options...
Bonestock Posted August 25, 2009 Author Report Share Posted August 25, 2009 i run a 626. some are running 615. my grandad says his 603 is not enough. the spectacular is our last race of the season there. the sept 12th date was cancelled. thanX Appreciate the help. Guess I could probably do the math myself, but what rpm's are we looking at? Link to comment Share on other sites More sharing options...
LM-RACER-20 Posted August 25, 2009 Report Share Posted August 25, 2009 Looking to run at Thunderhill Raceway, any help on what gears/tranny to run would be appreciated. I run a 601 and turn 7000 with an automatic. Link to comment Share on other sites More sharing options...
Crazyhorse Posted August 26, 2009 Report Share Posted August 26, 2009 i really couldn't tell you that , i don't run a tach. if i would guess i'd say 6900- 7200 Link to comment Share on other sites More sharing options...
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