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Old 07-23-2012, 10:10 AM
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Originally Posted by zildjian4life218 View Post
Assuming they are stock smogger heads with 1.94x1.50 valves my guess is 330-350ish. What is the casting numbers on the heads?
You're being quite generous. The zz4 with the L98 heads and roller cam is only 355hp. I was gonna say about 275 to 300.
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