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View Full Version : Which 6.5 do I want?



fiftycal
03-15-2004, 16:27
I need to get the members advice on how to proceed with my truck. I have a crew cab 1 ton 4x4 GMC 1983 model. It was a diesel and someone had put a small block in it when I bought it. It has the turbo 400 3spd auto and 205 transfer case.
I'm seeing some 6.5 turbos for sale and don't know which model I should put in. Does the mechanical fuel pump engine have a computer? How about upgrades? Is one engine less expensive to get higher HP out of than the other?

I don't tow much, but plan on a 1500-2000 pound slide in camper.

Any advice appreciated.

Tough Guy
03-15-2004, 16:46
Late 92 or 93 model 6.5 TD will be your best bet. They are mechanically injected and do not have the oil cooling ports...

Cheers

patrick m.
03-16-2004, 15:31
just be sure to get the turbo from a 98 or newer ;)