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Thanks I have a buddy building a big block to try and run down my small block. I know he has a 400 block and was just at his engine builder and say his 4.15 crank and just wondered how big of size it could be.



should be to hard...lol Most guys run the 471-472ish kit. They seem to run real good. Buddy ran mid 9's in an all steel 3300lb+ duster before going to the 500inch low deck, he was in the 9.20's this year. Not bad for an old foot brake car.



Its funny I never see these big blocks run those numbers at the track. Well at least a street car that is, I do see gutted out ones run some mid nines.



They only S/B's I see come close to that are using 2 stages of juice...lol His car runs good, but it's not a street car. It has 2 glass seats and no back seat. He's also or was close to 280. It's tubbed and has big stickies out back, not sure of the size. He broke a rod last race of the season so he's going bigger next year 540 I think. Everything the same except more cubes. Not sure but I think he's running like a 690something solid roller.