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Thread: Flat tappet camshaft break in-Engine Builder article

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  1. #1
    1gary is offline Banned Visit my Photo Gallery
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    Feb 2010
    Car Year, Make, Model: 1985 high top Astro van

    Flat tappet camshaft break in-Engine Builder article


    This article is from Engine builder about the procedure to break in flat tappet camshafts.As many of the members here have said before,there are many advantages to hyro roller camshafts.But for those for one reason or another might find this article useful.

    Flat Tappet Camshaft Break-in Procedure: Engine Builder
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  2. #2
    buzz4041's Avatar
    buzz4041 is offline CHR Member Visit my Photo Gallery
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    Mar 2009
    corpus christi
    Car Year, Make, Model: 1940 Ford Coupe

    Thanks for sharing Gary.

  3. #3
    Dave Severson is offline CHR Member/Contributor Visit my Photo Gallery
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    Jul 2003
    Car Year, Make, Model: '67 Ranchero, '57 Chevy, '82 Camaro,

    Nothing new there that is going to make a flat tappet cam live.... Doesn't really matter how well the cam and lifters are broke in, don't think the present day oil will support them. Hydraulic rollers just aren't that much more money.

    Most of the engine builders I know won't even build an engine with a flat tappet cam anymore....they're the engine experts and I tend to go with their recomendations....

    Then again, I would suppose it depends on the level of performance you're after... With the stuff I like to run I'll go with rollers everytime, maybe something in the 300 hp level with low lifts and low spring pressures would live, but if all a guy wants is 300 horse might as well go with a crate engine and the big warranty....
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