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  1. Performance Modifications
    Hi All, Today checked my coolant level of my 2002 Firebird LS1 and found brown mud on the dipstick. So I assume cylinder head gasket fail. As it seems I will need to remove the cylinder heads if anyone could suggest maintenance or upgrades to be done would be grateful. Compiling my shopping...
  2. All Things V6
    Hello all. I am working on a project I picked up a 1980 Firebird Yellowbird that has the 231 3.8L Buick v6. I wanted to increase the compression and first I thought about having the heads milled, but then I was wondering about head gasket thickness. What is the stock thickness and does...
1-2 of 2 Results