5/19/2023 0 Comments Comp cam 350 sbc marine![]() I'd study the different sbc cams in Comps web page to get a feel for what works. If water gets sucked back at idle (reversion) you can lock up the engine or worse. After each run (at idle, with exhaust tubes on the risers) you first drain, then pull, the riser, to check for water sitting in the exhaust manifold. You can test it on a run stand with the 1.6 rockers and some 1.5's. To address the reversion you need high dollar exhaust. I think you need more lobe separation or you will get reversion.
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