FS: Absolute Speed Stage II 5.3l Heads
12-21-2004, 08:29 AM
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FS: Absolute Speed Stage II 5.3l Heads Going back to stock. Heads are off the car now. $1200
Heads have Comp 987 dual springs and titanium retainers with about 12k on them. These have stock valve sizes all Ferrera or Manley valves. Forget which one he used. They have not been milled at all.
Flow sheet at bottom of this page. Also a Dyno from my car pre PT4000.
http://community.webshots.com/album/46297583IShUyz
Heads have Comp 987 dual springs and titanium retainers with about 12k on them. These have stock valve sizes all Ferrera or Manley valves. Forget which one he used. They have not been milled at all.
Flow sheet at bottom of this page. Also a Dyno from my car pre PT4000.
http://community.webshots.com/album/46297583IShUyz
12-22-2004, 12:50 PM
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Originally Posted by Magred2001vette
Just curious...how could they be stage II with factory sive valves?
Jay@AS put 2.02 (intake) size back in day and on his newer models he uses 2.04.
Jay@AS put 2.02 (intake) size back in day and on his newer models he uses 2.04.
