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Thread: 366T heads/intake
          
   
   

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  1. #1
    chevy427tall is offline CHR Member Visit my Photo Gallery
    Join Date
    Oct 2006
    Location
    Friesland
    Posts
    26

    i guess i'll sell the heads and intake, I have a 427T block just to clarify, i got one more guestion for you guys, i was caught up between going with the 4.375 stroke and the 4.250 stroke, in the competion products catalog the 4.250 stroke crank(forged 5140)is $479 and the 4.375 stroke crank(forged 4340) is $599, with .060 over and 4.250 stroke i'm only getting 496, its cheaper but not in the 500ci+ range,with the 4.375 i would be in that range, pertty set on using a howards cam (lift.476/.502 duration at .050 204/214 lobe center 112) and 6.535 rods, 9:1 to 10: comp, dont know about the heads yet, had a set of 781s but one was cracked, here's my question can i use any piston as long as the compression hight fits or dose it have to match the rod and stroke i'm using? i'm just trying to put a budget together.
    thanks

  2. #2
    1JohnnyO is offline CHR Member Visit my Photo Gallery
    Join Date
    Dec 2004
    Location
    Hagaman
    Car Year, Make, Model: 71 Chevelle SS, 67 Camaro
    Posts
    404

    whats the point of buying 781's when the heads he's got now are similar to 781's
    Not similar enough...they'll never come close to what you can do with a 781 casting or 049 casting.

    Chevy427tall, why dont you bore it more than .060?? I think you can go quite a bit on the 427 tall blocks. You'll be over 500 easy that way.
    When your dreams turn to dust, Vacuum!

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