The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 10-08-2007, 07:06 PM   #1
1984Silverado4x4
Registered User
 
Join Date: Jul 2007
Location: Mount Horeb WI
Posts: 179
Compression reading

So whats a normal compression reading for a 305?
__________________
Its no disgrace being poor. Its just inconvenient.
1984Silverado4x4 is offline   Reply With Quote
Old 10-08-2007, 07:52 PM   #2
Morgsie
Registered User
 
Join Date: Apr 2005
Location: BC, Canada
Posts: 122
Re: Compression reading

0

Last edited by Morgsie; 10-08-2007 at 07:52 PM.
Morgsie is offline   Reply With Quote
Old 10-08-2007, 08:21 PM   #3
77-383 Step
Registered User
 
Join Date: Oct 2006
Location: Plano, Texas
Posts: 78
Re: Compression reading

ha ha
77-383 Step is offline   Reply With Quote
Old 10-09-2007, 01:09 AM   #4
Malo83
Cruzzzn' Vet
 
Malo83's Avatar
 
Join Date: Jan 2005
Location: Porterville,Ca.
Posts: 1,918
Re: Compression reading

Too Cold
Malo83 is offline   Reply With Quote
Old 10-09-2007, 01:24 AM   #5
Malo83
Cruzzzn' Vet
 
Malo83's Avatar
 
Join Date: Jan 2005
Location: Porterville,Ca.
Posts: 1,918
Re: Compression reading

As per the Factory service manual,Compression testing should be done with four puffs per cylinder, the lowest reading cylinder should not be less than 70% of the highest and no cylinder should be less than 100 pounds.
Hope this helps you out.
Malo83 is offline   Reply With Quote
Old 10-09-2007, 10:09 AM   #6
1984Silverado4x4
Registered User
 
Join Date: Jul 2007
Location: Mount Horeb WI
Posts: 179
Re: Compression reading

Quote:
Originally Posted by Malo83 View Post
As per the Factory service manual,Compression testing should be done with four puffs per cylinder, the lowest reading cylinder should not be less than 70% of the highest and no cylinder should be less than 100 pounds.
Hope this helps you out.
Sure does thanks
__________________
Its no disgrace being poor. Its just inconvenient.
1984Silverado4x4 is offline   Reply With Quote
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not 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

Forum Jump


All times are GMT -4. The time now is 08:17 AM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2024, vBulletin Solutions Inc.
Copyright 1997-2022 67-72chevytrucks.com