Ls1 Identity
10-25-2004, 11:18 PM
#3
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The year will be cast into the block under the water pump port on the drivers side.
If you look at the pic on JMX's site, you can just see the '99' under the water pump port and the power steering pump (right under the '(10MM)' caption).
http://www.ls1howto.com/howto/fbody/...imingcover.jpg
If you look at the pic on JMX's site, you can just see the '99' under the water pump port and the power steering pump (right under the '(10MM)' caption).
http://www.ls1howto.com/howto/fbody/...imingcover.jpg
10-26-2004, 11:39 AM
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Originally Posted by term
98 heads will have a different valvecover bolt pattern, I know the intakes changed at some point but I'm not sure when that happened.
