| |
Click on image for the lowdown. 
====
| | | Forums66 Topics128,165 Posts1,056,988 Members48,458 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
| | THANKS!
For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Feb 2009 Posts: 400 'Bolter | | 'Bolter Joined: Feb 2009 Posts: 400 | Is it popping and sputtering through the carb or is it through the exaust? Could be a stuck valve,just a thought. | | | | | Joined: May 2007 Posts: 16 New Guy | | New Guy Joined: May 2007 Posts: 16 | could be valve . pop off valve cover turn her over slow and you should see it . turn it with power bar , so you can watch the valves . but you did have good compression , chances with good compression its not a valve .
poor gas flow will make it work bad . try the can trick ,and have a catch can for the fuel pump flow . | | | | | Joined: Jul 2009 Posts: 56 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2009 Posts: 56 | I wonder what colour the exhaust is. If it is sooting up the plugs pretty fast then maybe you have a oil leak on one of the valves and as it idles it builds up on the plugs and after a bit there is too much oil in the cylinder and soot on the plug so it kinda starts to diesel and cause the problem try cleaning out the plugs again start it and try bringing up the rpm shortly after starting it and then leave it there for a min or two and see if it starts to faulter again or if it seems to improve. if the valves are leaking oil down them you would get great compression and not know you have a bad compression ring. I know my 42 idles great but is rough at righer rpm and it has low compression readings. | | |
|
|
| |
