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I ran a 10.5-1 512 with Stage 6 heads, indy dual plane, 950 carb and a 238 @.050/.540 Solid flat tappet through exhaust manifolds and it went 11.55 at 117 at 3800lbs. Although your engine might like more cam, I think the .557 would work fine and should be extremely nice on the street.


Again, no dissrespect but 11`s w/ a big 512 doesn`t cut it.....my daily driven stock stroke iron headed solid cammed 360 went 11.80`s-12.0`s at l.a.c.r. I expect MUCH more out of the strokers but, if you`re happy that`s all that really matters.




No disrepect taken, I was happy with the results. The car ran mid 11's on pump gas through exhaust manifolds, and idled like a a stock 383. Never had the car on a trailer and drove it many miles with child seats to boot. I could have added headers and hotter cam and easily run in the 10's...


I understand and agree 10`s were a couple changes away!


72 Dart 470 n/a BB stroker street car `THUMPER`...Check me out on FB Dominic Thumper for videos and lots of carb pics......760-900-3895.....