Mercruiser 400 cyclone info needed
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I have a 1984 ,mercruiser 454/400 cyclone serial number 6668656 ,I'm looking for the cam specs and what valve springs We're used , I'm sending the heads out to be freshened up and was hoping someone could help me out .thanks in advance.chris
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It's a Crane 132561 cam. Crane spring number is 99893-16. Springs are set up at 115/340 lbs.
Here's the specs
http://www.cranecams.com/product/car...detail&p=24005
Here's the specs
http://www.cranecams.com/product/car...detail&p=24005
Last edited by picklenjim; 01-14-2017 at 09:01 PM.
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Good engines. The only difference between those, and the "420HP" versions, was the 420's, had a Gil exhaust, holley double pumper, and single plane intake.
Pickles got you covered on the original crane cam they came with.
Pickles got you covered on the original crane cam they came with.