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Old 01-29-2017, 09:52 AM   #5
PJ305
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Default Re: More NHRA horsepower factors

Quote:
Originally Posted by Dwight Southerland View Post
The '77-'79 350s are all the same specs and they should be all the same power factor regardless of model or body style. NHRA should be factoring engines based on the potential performance, not people who can make them go fast.
I asked Pat Cvengros and was told the 78 models came with an aluminum 458520 manifold which aren't allowed on the 77 models. The 77 models are allowed 882 heads 160cc in 60cc ex runner which aren't allowed on the 78 model. He told me unless the same exact part numbers are available for the combination they are rated different . The 73 - 76 models are allowed 993 heads which are not allowed on the 77 - 78 models and they have been hit with horsepower under the guidelines of the AHFS and are rated at 287hp. They make the rules and it really doesn't matter what we on the internet think or complain about.
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