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Author Topic:   Running a GM crate 602?
Dirt Full Roller

Total posts: 49
posted November 15, 2005 02:18 PM  
Is anyone running the 602 in a mod or late model?
If you are what would be the difference in running a 2 bbl holly vs the 4bbl the car weight is 2600lbs with 10" hoosiers with 12" spoiler.We are only allowed the 2bbl
And is anyone running more then the rpm they want you to run of 5500rpm?

Ego Racing
Dirt Forum Champ
Total posts: 727
posted November 15, 2005 04:44 PM  
Above the 5500rpm the motors start to have SERIOUS reliability problems! Keep it under that, change the valve springs regularly and I know where one is that has been run for 3 years.

[This message has been edited by Ego Racing (edited November 15, 2005).]

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