DieselTalk

DieselEngineTrader's FREE Diesel Engine Forums

new topic search Categories login View GM Diesel Engines

CATEGORY LISTINGS > GM DIESEL > 1981 5.7L questions

[ REFRESH ]

Thread Title:

1981 5.7L questions

Created On Wednesday June 02, 2004 14:10

SuperD38

Posts: 2
Joined: Jun 2004

Wednesday June 02, 2004 14:10
I have an 81 Chevy Caprice Clasic Diesel 5.7L My first question: Loss of power and LOTS of blue smoke... why? Is it the injector pump? Second: How would I time this engine? I know about the marks on the injector pump, but what about the engine it self? If it needs to be timed... not sure. ------------------------- If life gives you lemons,.. Throw them back!

Quote

Top

Bottom

chevytrk13

Posts: 39
Joined: Dec 2003

Wednesday June 02, 2004 16:54

Your engine timing is your injection pump timing. Nothing else. The blue smoke is usually oil passing the rings and burning in the cylinder, however it can be several things. I would start with compression tests. If your injection pump is shot, which I dont think it is, your engine needs a rebuild also. -Frank

-------------------------
55 Years of combined diesel truck maintenance experience.....

Quote

Top

Bottom

SuperD38

Posts: 2
Joined: Jun 2004

Wednesday June 02, 2004 22:17

Ok thanks... about the several things? What sort of things?... I'm still abit new to diesel mechanics.

Maybe I over estamated the blue smoke, but it does seem excessive.

Someone also mentioned that this year injector pump, had problems with some little "ball" inside.
Know anything about this?

Maybe you can tell, I would like to avoid a rebuild if possable.(another truck needs that) Easy and Cheap is the key here.

-------------------------
If life gives you lemons,.. Throw them back!