Hot Rod Forum : Hotrodders Bulletin Board - View Single Post - 350///357 build
Thread: 350///357 build
View Single Post
  #118 (permalink)  
Old 12-20-2012, 08:26 AM
cobalt327's Avatar
cobalt327 cobalt327 is offline
Last wiki edit: Intake manifold
Last journal entry: 1980 Malibu Wagon
Last photo:
Join Date: Mar 2009
Posts: 5,031
Wiki Edits: 1616

Thanks: 128
Thanked 616 Times in 565 Posts
Originally Posted by 0trbo4myCHEVUICK View Post
Nah if they are even with the deck my compression will be too high i think.
That would depend on the chamber volume of the head and the dish volume of the piston, now wouldn't it. You did read the page on quench, right?

The "ideal" quench measurement is right at 0.040". About the most common composite head gasket thickness is 0.041". So a zero deck (piston even w/the block) and a 0.041" head gasket will put the quench measurement right where it needs to be.

You do not want to adjust the compression ratio by making the quench distance wider. So using a thicker head gasket or a piston deeper in the hole are both bad plans as compared to a zero deck and a 0.040" range head gasket- or any other combination of HG thickness/piston deck height (piston in the hole) that equals about 0.040".
Reply With Quote
The Following User Says Thank You to cobalt327 For This Useful Post:
0trbo4myCHEVUICK (12-20-2012)