LT1 heads on L98?
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Joined: Mar 2002
Posts: 328
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From: Grand Rapids, Michigan
Car: Iroc-Z
Engine: 355 AFR'd HSR
Transmission: 700R4
Stock LT1 heads will not fit an L98 block. The LT1 heads are reverse flow cooling. The coolant passages do not line up. The HEADS need the machine work, not the block. Its a marginal gain for the $$$ you are gonna spend. You can get a set of AFR's and bolt them right on. Its a big headache. I am gonna have to create a link to this tech article I have on this subject.
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From: Savannah, GA
Car: 1997 Jeep Wrangler
Engine: 4.0L
Transmission: 5 speed
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