Engine Swap Everything about swapping an engine into your Third Gen.....be it V6, V8, LTX/LSX, crate engine, etc. Pictures, questions, answers, and work logs.

L98 Rebuild....???

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Old May 2, 2012 | 07:05 PM
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From: PHX, AZ
Car: 1986 K5 Blazer
Engine: 1992 5.7L TPI
Transmission: 700R4
L98 Rebuild....???

I figuered this was the place to come for the most accurate info regarding Camaros.....

Background... recently picked up an 86' K5 Blazer with what I was told was a 5.7L 350 (L98?) out of a 92' IROC. I have yet been able to confirm that by locating a casting # on the block. Ive looked everywhere!

Actual mileage on the truck, unknown. Motor, unknown as well. Motor is mated to a 700R4.

Im getting some blow by out of the dip stick. Thinking its time for a rebuild. Id rather just install a new long block.

Any ides or sources that you Third Gen guys use for motors/blocks? I dont want to half *** this, but at the same time a full swap is not fiscally possible.

Ideas for upgrades to increase HP/TQ increase longevity/durability?

K5 is full size Chevy Blazer, 6" lift, 35" tires, 4X4 (NP208) Corp 10 bolt F/R.
3.73 gears, going to 4.56 while this project is underway.
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