Comp Cam #34-236-4 anyone running this cam??
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Comp Cam #34-236-4 anyone running this cam??

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    Senior Member BrotherWolf's Avatar
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    Default Comp Cam #34-236-4 anyone running this cam??

    Im going to be putting in a new comp cam #34-236-4 or a 34-245-5 in my 460 and was wondering if running two holley 450cfm on my wieand tunnel ram will give it enought fuel????

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    Pink Taco Reagan's Avatar
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    2-660's on top my offie with 565 lift on what ever comp cam i got, and its getting plenty of fuel

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    www.highflowdynamics.com LakesOnly's Avatar
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    Quote Originally Posted by BrotherWolf View Post
    Im going to be putting in a new comp cam #34-236-4 or a 34-245-5 in my 460 and was wondering if running two holley 450cfm on my wieand tunnel ram will give it enought fuel????
    To answer your question: the tunnel ram can be dialed in with the tiny carbs, technically speaking. I would prefer a larger pair of carbs.

    If this is a bone stock D3VE-headed engine, then the smaller of the two camshafts is more appropriate for a 460 in a jet boat with an A impeller. Even in such a case, valve springs matched to the cam is paramount and also watch retainer-to-guide clearance (although the proper valve springs are supposed to be installed at 1.90" instead of the OEM 1.82", so you should be okay). Hardened pushrods are adviseable.

    Lastly, for such a build I would recommend the following CompCams grind over the one you are considering: 34-246-4 (276AH-10) -- .547/.547, 228/[email protected] 0.050", 110* LSA. Easier on the OEM valve train and more suitable cylinder filling and valve timing events for the application. Use the CompCams 924-16 springs with this profile.

    LO
    High Flow Dynamics
    Performance Components for the 429/460 Engine Family


    This post © Copyright 2007-2020 Paul Kane. No copying, linking, printing or otherwise without express written permission.

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    Senior Member rogerroost's Avatar
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    I'm changing my 460 set up from a tunnel 2x 600 soild cam to a stealth manifold ,comp 34-331-4 cam,haven't picked carb yet ,thinking 830cfm.hoping that works for me.

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    Senior Member BrotherWolf's Avatar
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    Quote Originally Posted by LakesOnly View Post
    To answer your question: the tunnel ram can be dialed in with the tiny carbs, technically speaking. I would prefer a larger pair of carbs.

    If this is a bone stock D3VE-headed engine, then the smaller of the two camshafts is more appropriate for a 460 in a jet boat with an A impeller. Even in such a case, valve springs matched to the cam is paramount and also watch retainer-to-guide clearance (although the proper valve springs are supposed to be installed at 1.90" instead of the OEM 1.82", so you should be okay). Hardened pushrods are adviseable.

    Lastly, for such a build I would recommend the following CompCams grind over the one you are considering: 34-246-4 (276AH-10) -- .547/.547, 228/[email protected] 0.050", 110* LSA. Easier on the OEM valve train and more suitable cylinder filling and valve timing events for the application. Use the CompCams 924-16 springs with this profile.

    LO


    kewl thanks for the info

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