Proper Gasket thickness available - Hot Rod Forum : Hotrodders Bulletin Board -- 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
User Name
lost password?   |   register now

LinkBack Thread Tools
  #1 (permalink)  
Old 04-18-2004, 06:07 PM
Registered User
Join Date: Apr 2004
Location: Canada
Posts: 3
Wiki Edits: 0

Thanks: 0
Thanked 0 Times in 0 Posts
Proper Gasket thickness available

Thanks for all that responed to my earlier post.

What is the max thickness I can use for the head gaskets on a sbc 350 with 305 (62cc) heads.

I checked a couple of websites and it states with the ratio of 11 to 1 (which is what this engine will produce) [62cc heads; flat top pistons; 0 deck height and .041 gaskets) ] I require an Octane of about 121 (..... damn). Is this correct????

My second question is what I should expect once I remove my existing stock heads from my 350 for deck height. I have been told with flat top pistons the deck height will be .035 approx. Is this correct or will I just have to pull the heads and measure to be sure.

I am trying to get a compression ratio of approx 9.8 to 1 for a street truck. I seem to remember some articles discussing the use of a cam to reduce the compression ration (or more precisely- to remove detonation)

Thanks again for your help.
Hopefully I did not waste my money on these heads (305 140014416) I paid 450 for them (rebuild with 2.02/1.6 valve)


Reply With Quote Quick reply to this message
Sponsored Links
  #2 (permalink)  
Old 04-18-2004, 08:16 PM
killerformula's Avatar Moderator
Last wiki edit: Carburetor
Last journal entry: Clean up
Last photo:
Join Date: Oct 2003
Location: Northeast
Age: 35
Posts: 3,536
Wiki Edits: 3

Thanks: 30
Thanked 38 Times in 25 Posts
Don't decrease your compression by using a thick head gasket. It kills your quench (by making it far too large) and your car will run like dog *****.

Reply With Quote Quick reply to this message

Recent Engine posts with photos
Gear in this thread - Powered by O'Reilly Auto Parts

Quick Reply

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.

Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
Thread Tools

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
Trackbacks are On
Pingbacks are On
Refbacks are On

All times are GMT -6. The time now is 02:44 PM.

Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2015, vBulletin Solutions, Inc.
Search Engine Optimization by vBSEO 3.6.0 PL2
Copyright 1999 - 2012. All Rights Reserved.