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Re: Early 80s 6.2
If there's a bubba turbo setup walk away. The Banks turbo kits, when properly installed, can improve mileage and give power a very small bump. Mileage in the low to mid twenties are possible with the 2wd 82 "Red block" 6.2 & 700R4.
The 700R4 transmission can be rebuilt to make it a reliable unit.
A 6.2L Fluidamper will fix the harmonic balancer permanently.
Updating to the 90's glowplug unit relay and AC-60G Positive Temperature Coefficient glow plugs will permanently put the swelled glowplugs to bed on civilian trucks. Very easy high reliablity update. If you have any swelled plugs pull the injector and remove the damaged tip pieces through the injector hole with a shop-vac.
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1959 M35A2 LDT465-1D SOLD
1967 Dodge W200 B383, NP420/NP201 SOLD
1969 Dodge Polara 500 B383, A833 SOLD
1972 Ford F250 FE390, NP435/NP205 SOLD
1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
2009 Impala SS LS4 V8
RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials... Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.
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