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Username Post: Need 383 Input For Build
Posts 84
02-14-20 01:28 PM - Post#2786506    


I did a lot of research for my street 383 build and I am very pleased with the results.

My compression ratio is about 9.7 with a .040 quench. I used Promaxx Maxx 64cc heads which look very much like (almost identical too) Brodix. Everything about these heads were spot on out of the box, EXCEPT they didn't put thread sealant on the screw in studs going into the water jacket, so that would be something to check. These heads were just under $1000 when I bought them a few years ago.

In case anyone is wondering ... I was a little concerned about buying these heads, but there is a guy on youtube who did a multi-video review of these heads and after watching his videos I was more than willing to try them and I am happy I did.

My rotating assembly is SCAT and I used -12cc pistons. I used a short duration camshaft 211/219 @.050 with about .515 lift and couldn't be happier.

If you have any questions about anything just ask.

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