Looking to buy our first 6.2

[Frankenchevy]

We are looking for a 4wd Burb with a 6.2 for my wife. Looking for any advice and tidbits of knowledge I can get on these engines.

First one we are checking on is an 83 with a supposed 70k on the clock. Current owner states they started to swap it, but lost interest. They stated that they just pulled the radiator, but I see that the fuel system is also somewhat disassembled from this picture they sent.

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I was thinking I’d get one of those had pump filter perches if it’ll help prime it. Do I need to crack each line on this engine to prime it?

 

[Ricko1966]

All I've ever had to do to mine is take a plant sprayer bottle full if diesel and spray it in the intake a few times,while cranking it,don't know if that's a recommended method but it's worked the couple of times I've needed to.Ive never cranked lines or primed the IP.

 

[backwoodsman]

I see that the fuel system is also somewhat disassembled from this picture they sent.

The only part of the fuel system you can see is the primary fuel filter/water separator, and it looks to me like both lines are attached. If you're looking at that disconnected pipe on the right side, that looks like an A/C line they removed when they pulled the radiator.

I was thinking I’d get one of those had pump filter perches if it’ll help prime it. Do I need to crack each line on this engine to prime it?

It can prime itself, but does take a little cranking if the injection lines are empty. It helps to add an electric fuel pump, preferably upstream from the primary filter, so it's easy to fill up the fuel filters when you change them, and just for backup to the engine-driven pump. You don't need to crack the injector lines because there are fuel return lines on all the injectors, which will bleed off any air.

I'd want to see it run, or at least do a compression test, or get it cheap enough that it's OK if the engine needs major work or changed.

 

[Frankenchevy]

The only part of the fuel system you can see is the primary fuel filter/water separator, and it looks to me like both lines are attached. If you're looking at that disconnected pipe on the right side, that looks like an A/C line they removed when they pulled the radiator.



It can prime itself, but does take a little cranking if the injection lines are empty. It helps to add an electric fuel pump, preferably upstream from the primary filter, so it's easy to fill up the fuel filters when you change them, and just for backup to the engine-driven pump. You don't need to crack the injector lines because there are fuel return lines on all the injectors, which will bleed off any air.

I'd want to see it run, or at least do a compression test, or get it cheap enough that it's OK if the engine needs major work or changed.

Oh, now I see…both lines come into the filer housing on the same side.