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cylinder head help

2079 Views 6 Replies 4 Participants Last post by  bshort
I'm looking at either the edl. performers or the performer RPMs to bolt on my street driven 350. It seems the only difference is the heat crossover. Is it something that's needed? I would also like to run a performer air gap to top things off, but I don't think it has provisions for the cross over. Just wondering what difference the cross over makes if any. Any advice is greatly appreciated.
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Thanks for the info, looks like I'll be sticking with the regular performer manifold and perf. heads. It's nice to find this out sooner than later.
Thanks, I'll definitely run the heat shield.
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