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Old 07-31-2004, 12:21 AM   #1
botboy
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Join Date: Dec 2003
Location: Delano, MN
Posts: 630
Buying '84 K5, 4x4, Dead auto, 6.2 Diesel, $300

Found a sweet deal word of mouth from a coworker of mine

'84 K5 blazer, black and silver, 6.2 Diesel (runs good), Dead 700r4 transmission (big suprise there), 205 T-case, 3.73 opens front and rear, 33x10.5 all around + spare (6 lug), removeable hardtop. Seller wanted $350 for it, I offered $300 and he accepted the offer.

Mechanically, the tranny is completely dead and it needs new spiders in the rear, but he's including those. What differences are there between a diesel 700r4 and a gasser 700r4? A local pick-a-part has 700r4's for pennies on the dollar, but I'm almost definitely sure they're all gassers. I would be willing to put an auto in it just to get it on the road but I'd prefer a manual if I could get one. Will an NV4500 bolt up to a 700r4 NP205 t-case? Any other manual trannies worth looking into for this truck?

Truck currently has dual (backyard mechanic special) 2.5" exhaust running all the way back, would a pair of manifolds off of a 6.5 NA diesel increase performance at all? How about 6.5 heads? Crossover pipes? How hard is it to bolt up a 6.5 turbo and make everything work nicely? Any merit to upgrading the FI system to electronic off of a newer 6.2/6.5 (If any of you followed my posts in the engine & drivetrain forums, I did a full 454 TBI upgrade to my '72 C10/350 and did all the wiring myself, so the electronic side is no problem). Anything else worth mentioning to gain more performance acceleration wise?
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