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Thread: Turbo Cih build

  1. #41
    Senior Contributor markandson's Avatar
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    Don't know about the width of the 2.5 rods but a search of Crower turned up a bunch of different possibilities. I am sure you can get the correct pin end bushing, I don't know what your 2.2 crank needs at the big end.
    Jeff

    '73 GT,5spd,Recaro,EDIS4 2.2 EFI MegaSqrt, Ali Flywhl w/S10 Clutch, Elec Fan, Roller Rockers, Venolia Pistons, 6 Cyl Intake w/ Custom Injection, 15" Wheels,F&R Sway Bars,2" Exhaust,1" Sport Spring,Koni Reds,Big Brakes,3:90 Gears & Gripper LSD,Rear Disks,Ali Radiator,Hse of Colors - Kandy Pagan Gold.
    123 WHP @ 6800 RPM

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  3. #42
    Project 1450 supporter... Site Supporter My location RallyBob's Avatar
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    Quote Originally Posted by clausholleman View Post
    C/R 58cc=10.0, 64cc=9.3, 76cc=8.2
    Piston/Pin Weight: 615 g
    Rod Length: 5.7", Ring Style: A
    Comp Height 5.7" Rod - 1.561
    Pin Diameter - 0.9272
    Hmmm, I dont know of any rods that work with those pistons and a 2.2 crankshaft. Normally 2.2 pistons have 1.619" compression height. Those pistons have 1.561", difference is .058". So rods need to be 5.097", or 129.46 mm long.

    I wonder why you got cast hypereutectic pistons instead of forged pistons for turbo use?
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  4. #43
    Senior Contributor markandson's Avatar
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    Quote Originally Posted by RallyBob View Post
    So rods need to be 5.097", or 129.46 mm long.
    Bad assumption on my part but the way he was posting it looked like he already figured out that a 5.700 rod was what he needed and he was only trying to decide on which one to use.
    Jeff

    '73 GT,5spd,Recaro,EDIS4 2.2 EFI MegaSqrt, Ali Flywhl w/S10 Clutch, Elec Fan, Roller Rockers, Venolia Pistons, 6 Cyl Intake w/ Custom Injection, 15" Wheels,F&R Sway Bars,2" Exhaust,1" Sport Spring,Koni Reds,Big Brakes,3:90 Gears & Gripper LSD,Rear Disks,Ali Radiator,Hse of Colors - Kandy Pagan Gold.
    123 WHP @ 6800 RPM

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  6. #44
    Project 1450 supporter... Site Supporter My location RallyBob's Avatar
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    Quote Originally Posted by markandson View Post
    Bad assumption on my part but the way he was posting it looked like he already figured out that a 5.700 rod was what he needed and he was only trying to decide on which one to use.
    Well, the way those pistons are sold for their original intended use, they are sized for 5.7" rods with a 3.48" stroke small block Chevy. Doesn't correspond to an Opel the same way, due to a different stroke and different deck height.
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  7. #45
    7,000 Post Club My location wrench459's Avatar
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    I use this method.

    1/2 stroke + rod lenght + compression height = block height.
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  8. #46
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    Quote Originally Posted by RallyBob View Post
    Hmmm, I dont know of any rods that work with those pistons and a 2.2 crankshaft. Normally 2.2 pistons have 1.619" compression height. Those pistons have 1.561", difference is .058". So rods need to be 5.097", or 129.46 mm long.

    I wonder why you got cast hypereutectic pistons instead of forged pistons for turbo use?
    as i read it, there are a lot of people who use these pistons for turbo ore non turbo.

    the part of the rods, i will look @ the lists to figger out witch to use, i thinkl its gonna be a h-beam.
    i have a lot of crankshaft's here, like the 1.9 , so i will messure things out.

    when i take my 1.9 crank, ore a 2.0, i can take 137.16mm /5.4inch rods then
    and in the 5.4"size there are manny solutions like the Crower rods
    luckly i saved all my crank's.

    cheers
    Claus

  9. #47
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    PS

    Rod/ratio is 1.97
    stroke to bore ratio is 0.723
    Last edited by clausholleman; 02-15-2017 at 01:10 PM.

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    2.0 crank with 8 counterweigts

  11. #49
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    aaaannnnddddd YES 14days of waiting, but here they are:


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  12. #50
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  13. #51
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  14. #52
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    designing te intake plate/adaptor


  15. #53
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    just a few porting pics ;)

    just a few pics of some of my heads porting, roughly , will be finised in a few days and i will post pics when the ports are done.
    not one of my own heads, but for a customer.
    a lot of work but its fun to do





  16. #54
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    hmm, not bad


  17. #55
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    parts incomming, throttle boddie for the manifold



    and a little shot of NOS



    and manny parts on their way

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