what heads are on my car?
#2
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Join Date: May 2005
Location: Perth, Australia
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Have another look.
Casting #5364 is the same style of large rectangular intake port heads as LS3.
Yours will have the heavy intake valves and not hollow stem intake valves, otherwise it's the same as LS3. Also yours has less capable valve springs than LS3 heads are fitted with.
Casting #5364 is the same style of large rectangular intake port heads as LS3.
Yours will have the heavy intake valves and not hollow stem intake valves, otherwise it's the same as LS3. Also yours has less capable valve springs than LS3 heads are fitted with.
#7
8 Second Club
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If they are L92 heads then they aren't cathedral port. The heads that come with the L76 are like LS3 except for the intake valve and springs as stated. Normally we just swap springs unless you really want lighter valves but its not normally needed or noticed in a street car.