Quote:
Originally Posted by GregWeld
I'm running a 408 inch stroker with 180 Dart Aluminum heads - making 525 hp and 481 tq IIRC....
The heads we're referring to are a set of 190 AFR Aluminum heads -- ported etc... and they'll be fine on a 350 ci motor.
I used my Canfield 220cc heads on a BLOWN 383 - made 625 hp and 581 tq on the dyno...
Heads all depend on camshaft - cam - compression - etc and what RPMS you want to make power at. 200's won't have much bottom end.
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All it really has right now is bottom end, it made 310whp at 5500 with an RPM Gap and a Comp 268 cam. The heads are about 10-12 years old so they are the older style casting from what I understand.
Thanks for the dyno sheets, I'm surprised to see an engine as big as your 406 with 180 heads; I guess they flowed well enough though!