has any one heard of ford lifters ina chevy block
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has any one heard of ford lifters ina chevy block

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    Default has any one heard of ford lifters ina chevy block

    i was just wondering if any has heard of people boring out the lifter bay in chevy blocks to use the igger ford lifters..... my machine shop is wanting to do that to my 502 gen 4 block. i have never hard of it any info would be great thanks

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    Quote Originally Posted by slugbug View Post
    i was just wondering if any has heard of people boring out the lifter bay in chevy blocks to use the igger ford lifters..... my machine shop is wanting to do that to my 502 gen 4 block. i have never hard of it any info would be great thanks
    Yes, and Chrysler/AMC .904" and larger .930" and some of the fuel stuff is 1.125".
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    Quote Originally Posted by cstraub View Post
    Yes, and Chrysler/AMC .904" and larger .930" and some of the fuel stuff is 1.125".
    anything goood or bad?

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    E-7 Sheepdog (ret) SmokinLowriderSS's Avatar
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    Quote Originally Posted by slugbug View Post
    anything goood or bad?
    Depends on you're aplication. A no-brainer if you are trying to straighten out a crooked lifter bore.

    Likely useful if you run really heavy spring pressures.

    For the rest of the time, IMO a waste of $$$ and time.
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    Quote Originally Posted by SmokinLowriderSS View Post
    Depends on you're aplication. A no-brainer if you are trying to straighten out a crooked lifter bore.

    Likely useful if you run really heavy spring pressures.

    For the rest of the time, IMO a waste of $$$ and time.
    well moneys no problem the shop is doing it for free and trying to say a 60 over 502 bow tie block punch out to 522ci

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    Senior Member Robert Jonsson's Avatar
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    Quote Originally Posted by slugbug View Post
    well moneys no problem the shop is doing it for free and trying to say a 60 over 502 bow tie block punch out to 522ci
    if my math is right, a .060 over 502 is 516". you would need to go .090 over to achieve a 522...

    as far as the lifters, it is done all the time. some refer to it as "hippo" or chrysler lifters. there are plenty of aftermarket manufacturers making oversized lifters

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    Quote Originally Posted by jet4fun View Post
    if my math is right, a .060 over 502 is 516". you would need to go .090 over to achieve a 522...

    as far as the lifters, it is done all the time. some refer to it as "hippo" or chrysler lifters. there are plenty of aftermarket manufacturers making oversized lifters
    im going of the sheet from the machine shop the bore is 4.560 and a stock 502 is 4.5 right?????

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    E-7 Sheepdog (ret) SmokinLowriderSS's Avatar
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    Jet is right. Stock is 4.470" x 4" stroke. 60-over is 516. 90 over is a 522.

    Unimportant dif. in the build unless it makes for a thin cylinder sleeve.
    "As democracy is perfected, the office of president represents, more and more closely, the inner soul of the people. On some great and glorious day the plain folks of the land will reach their heart's desire at last and the White House will be adorned by a downright moron."
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    Cantard 71hallett's Avatar
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    Would this lifter swap also change the push rod lenght?

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    LP-25.com Infomaniac's Avatar
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    4.560 is .090 over.

    The .560 is easily confused for .060 over.

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    Senior Member Bigblockbill's Avatar
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    Going to the larger lifter size makes the effective duration of the cam shaft go up. Now whether or not that is a good thing depends on your combination. We have done it on a motor where we had to run a nearly stock hydraulic cam via the rules.

    Just go with a roller and you will be better off!
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    E-7 Sheepdog (ret) SmokinLowriderSS's Avatar
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    Quote Originally Posted by 71hallett View Post
    Would this lifter swap also change the push rod lenght?
    well, maybe. If the top of the bigger lifter sits higher, yes. If not, no.
    "As democracy is perfected, the office of president represents, more and more closely, the inner soul of the people. On some great and glorious day the plain folks of the land will reach their heart's desire at last and the White House will be adorned by a downright moron."
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    Cantard 71hallett's Avatar
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    Just wondering why you wouldnt just bush the lifter bores so you dont have a headache later if you ever needed parts or the next guy doesnt want to kill you!! lol

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    From what I understand, the diameter of the lifter can limit the ramp profile and lift of the cam lobe. The larger diameter lifer should allow you to run a higher lift and more aggressive lobe design.

    I would think if you are not pushing the limits on the cam profile that it would not be any advantage.

    Doug

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