Replacing Head Gasket
07-31-2013, 07:54 AM
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Car: 1989 Iroc Z 5.7L
Engine: 5.7L
Transmission: T56
Axle/Gears: built 4.10s
Replacing Head Gasket
Guys, here are a few pictures of the top deck of my block. Plan on running replacement composite Jegs head gaskets but am worried about the discolored pitting around the water jackets. Any advice on what is acceptable or not because I can’t find any good videos online.
08-02-2013, 03:04 AM
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Car: 92 T/A 'vert
Engine: Mild .040 over L98 4 bolt mains
Transmission: Mostly stock 700R4, 2600 Vigilante
Axle/Gears: LS1 3.42
Re: Replacing Head Gasket
The deck on my rebuilt shortblock was a little discolored here and there. If it's straight and you don't want it decked, they just clean them up and call it good for a daily/mild perf. usage. As long as it's straight, a little Scotchbrite and brake cleaner will put you right in position.
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