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    Author Topic: Comp Cams XE274H in a 440  (Read 3543 times)

    Offline outlawse

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    • Posts: 65
    Comp Cams XE274H in a 440
    « on: March 16, 2010 - 09:11:15 PM »
    Guys:
    Does the Comp Cams XE274H produce enough vacum in a 440 for power brakes.
    (Comp XE274H   274 / 286   230 / 236   .488 / .491    110   106   60   1800-6000)

    The Comp tech I spoke to said that with its 60 deg overlap it should be ok, but....

    Anyone have actual experience ????????  Power brakes and Comp XE274H ?


    Logged
    1972 Dodge Challenger
    1970 446 RB: Six-Pack cam, M1 Dual plane Intake, Hooker Headers, much more...
    Turbo Action 727: 3400 Stall, Manual Cheetah Valve Body - 3.91 Gears
    On bench:  Performer RPM Intake, 509 114 LSA Cam, 440 Source Heads


    Offline outlawse

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    • Posts: 65
    Re: Comp Cams XE274H in a 440
    « Reply #1 on: March 16, 2010 - 09:13:14 PM »
    The tech also told me I could get a custom grind made.
    Maybe the Comp XE274H with a 114 LSA ?????  Might be a good idea.

    OR should I just stick with the Mopar 484 114 LSA cam ?
    « Last Edit: March 16, 2010 - 09:14:48 PM by outlawse »
    Logged
    1972 Dodge Challenger
    1970 446 RB: Six-Pack cam, M1 Dual plane Intake, Hooker Headers, much more...
    Turbo Action 727: 3400 Stall, Manual Cheetah Valve Body - 3.91 Gears
    On bench:  Performer RPM Intake, 509 114 LSA Cam, 440 Source Heads

    Offline Moparal

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    • Posts: 13085
    Re: Comp Cams XE274H in a 440
    « Reply #2 on: March 16, 2010 - 09:15:26 PM »
    yer avatar pixel  is to big. Please fix it. you show over 3000 x 2000

    to answer your question.  I ran that 2 years ago in a 8.1/1 440   the brakes worked good :2thumbs:
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    Offline moper

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    Re: Comp Cams XE274H in a 440
    « Reply #3 on: March 17, 2010 - 02:43:22 PM »
    It's not that big, but I'm not sure if it will run brakes. I think it will depend on the pistons you have and the true compression ratio.
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    Offline 4 speed fish

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    Re: Comp Cams XE274H in a 440
    « Reply #4 on: March 17, 2010 - 03:02:20 PM »
    I am running comps 477-488 cam 110 lope.I have good vacuum for my power brakes.I think you will be fine.
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    Offline outlawse

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    • Posts: 65
    Re: Comp Cams XE274H in a 440
    « Reply #5 on: March 18, 2010 - 09:26:55 AM »
    4-Speed:

    Do you like the power range of the XE274 ???  What's your review ?
    Logged
    1972 Dodge Challenger
    1970 446 RB: Six-Pack cam, M1 Dual plane Intake, Hooker Headers, much more...
    Turbo Action 727: 3400 Stall, Manual Cheetah Valve Body - 3.91 Gears
    On bench:  Performer RPM Intake, 509 114 LSA Cam, 440 Source Heads

    Offline 4 speed fish

    • Full Member
    • ***
    • Posts: 849
    Re: Comp Cams XE274H in a 440
    « Reply #6 on: March 18, 2010 - 11:09:00 AM »
    The cars runs strong.The idle is just what I wanted.
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