K5Dan
1/2 ton status
ok engine is idleing like s**t black smoke comin from tail pipe backfires hesitates took it to a shop they said there is no compression on cylinder no 7 say it needs a valve job say that will fix it i am not knowledgable when it comes to engine work or very much else when ithink about it they want 1600.00 for a valve job cough cough is this even the problem seems like to much money for me like i even really have it to begin with is this something i could do myself how long should it take what is involved what else should i address while doing this the most ive done on engine is spark plugs timing chain and gears general tune up stuff /forums/images/graemlins/1zhelp.gif sorry for the book