Hot Rod Forum : Hotrodders Bulletin Board - Reply to Topic -- Hot Rod Forum

Register FAQ Search Today's Posts Unanswered Posts Auto Escrow Insurance Auto Loans
Hot Rod Forum : Hotrodders Bulletin Board > Tech Help> Engine> will compression be too low????
User Name
lost password?   |   register now

Thread: will compression be too low???? Reply to Thread
Send Trackbacks to (Separate multiple URLs with spaces) :

Register Now

In order to be able to post messages on the Hot Rod Forum : Hotrodders Bulletin Board forums, you must first register.
Please enter your desired user name (usually not your first and last name), your email address and other required details in the form below.
User Name:
Please enter a password for your user account. Note that passwords are case-sensitive.
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:
Please select your insurance company (Optional)


Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.

Additional Options
Miscellaneous Options

Topic Review (Newest First)
10-08-2003 07:30 AM
joe28boxer thanx everyone im gonna try the heads then ....guess i can run pump gas to........thanx all
10-08-2003 04:53 AM

Hey pozz, did you figure the cr, or someone else? Sounds kinda low to me, even with .020 deck height?
10-08-2003 02:18 AM
jimfulco 76cc heads on a flat-top 350 gets 8.9 or 9:1 if you use 1.56" height pistons. Shorter "rebuilder" pistons will get you ~8.5.
10-07-2003 08:26 PM
RedRocket With proper quench height and milled heads you can get about 9.5:1. You can do the math yourself with this calculator
10-07-2003 08:13 PM
pozz33 Change the heads or install domed pistons. My 350 , flat top and 62cc chambers is about 9.5-1
10-07-2003 07:44 PM
Robinson Robin I would guess low 8:1 factory it was probably rated at about 8.2:1 or so with dish pistion but the factory rating was usually overly optomistic.Also keep in mind that most pistons in rebuild kits have a slightly lower deck height because many of their sales are to big engine builders who deck all their blocks. If you get the heads milled that will help raise it.
10-07-2003 07:36 PM
will compression be too low????

im hoping to get about 9-10 to 1 compression with flattop pistons on a 350 chevy bored 30 and use 76cc heads.....or will it be lower???

Posting Rules
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

All times are GMT -6. The time now is 07:42 AM.

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2017, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0 PL2
vBulletin Security provided by vBSecurity v2.2.2 (Pro) - vBulletin Mods & Addons Copyright © 2017 DragonByte Technologies Ltd.
Copyright 1999 - 2012. All Rights Reserved.