Okay so I recently put 33 12.50 on my 1994 GMC Jimmy 4wd
She was doing great, untill apparently I bit off a little more then I could chew.
So anyhow it was running when i come alonged it out of the lake it was in.
Had a small knock to the engine, so checked the oil and it had water in it.
Drained and replaced it started it up knock still there but fading away.
Started to spray fuel injector cleaner in the intake truck shut off and never started again.
So now the lower end is locked up tight as heck.
pulled all spark plugs unhooked the starter and unhooked serphtine belt
and the lower end still won't budge.


So I guess my motor is finished, any tips or tricks would be greatly accepted!!!


My next question is I priced a used motor or Between $260-$300
how hard is it to pull and replace a motor in these trucks?

Once again any tips or tricks for this would be great!!!!

Sorry for the long post thanks for reading!!!!!

 

Long post? You should see some of mine.

Its not that bad. Its an Iron block, so you and a buddy arent lifting it out. You need an engine hoist. The upper bellhousing bolts are a real bastard to get at, go buy a 36" extension for your 3/8 drive or if you have a body lift its not that bad. You cant take the engine and trans together without taking the rad support out, so leave the trans where it is in the truck. Its an all weekend thing if you are doing it in your garage with hand tools.

Do a 350 swap - it fits. Just get one from a full size of the same year as your blazer, and take the ECM as well for that engine. Its not quite that easy, but you will find the answers you need on this site.

 

No my cousin has a come along and a engine hoist in his garage.
I'm looking into putting a 4.3 with 80k on it back in there
it's the carbed one will it work or do i need the fuel injected one?????

 

bumpbumpbump

 

you really want the EFI model.