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Thread: exhaust manifold gaskets

  1. 30th September 2009, 08:42 PM #1
    isuzubob
    isuzubob is offline Master
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    exhaust manifold gaskets

    Can turbo exhaust manifold gaskets be used on a non-turbo engine? Are the only differences in the material they're made from due to greater heat from turbo/manifold?



    From L to R: old early 4BD1 fibre-type gasket; old '86 NPR turbo gasket; new (later style?/genuine?) gasket as supplied by independent parts supplier
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  2. 1st October 2009, 06:33 AM #2
    Bush65
    Bush65 is offline YarnMaster
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    My 4BD1-T engine is an 89 from an Isuzu truck. It had the 2nd style gaskets, and these were also in a gasket set I bought recently.

    Comparing the 1st and 2nd gaskets, the bolt holes centres are closer together on the 1st gasket.

    The port openings are also different, but I found the opening in the 2nd style gaskets was much larger than the ports in the head and manifold. The port opening in the 1st gasket would be a closer match with my exhaust ports.
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  3. 1st October 2009, 09:31 AM #3
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    isuzurover
    isuzurover is offline Swaggie
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    The 2nd type gasket is the one Isuzu sold me when I did my turbo conversion.
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