Originally Posted By Plymouth273
Going through the engine and need a .030 bore What is a good piston to use for a street car, dome or flat top, type, brand etc? Car is a 383 auto 4bbl running basically a 383 magnum cam, 906 heads, just a nice driver.

Thanks.


For my 383HP resto engine build, open for suggestions, I think I'll pay the money for a set of semi-custom pistons from Diamond with the following key features:

* 4032 forging for a little bit better expansion for a street engine.
* Compression Distance of 1.932"
* No valve reliefs.
* A more modern 1/16 x 1/16 x 3/16 ring pack.

Basically, a copy of a stock HP piston with a modern spin. Should be about 9.2:1 compression with stock 906 heads so should run okay on pump gas.