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| spaz ef |
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hi im building a 302 clevland and i am un sure on the cumbustion chamber cc,s so im un able to work out the comp the rest off the moter has 50'' th deck hight 50''th thick head gasket and 30''th thumb print left on the heads any info would be great cheers.....
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| spaz ef |
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forgot pistons are flat tops with 7cc fly cuts
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| spaz ef |
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URGENT!!!!! any input would be nice heads are closed chamber as well
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| EBXR8380 |
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Too many variables....
Get yourself a syringe , some water and cc them yourself !!
_________________ As in ZOOM 126 edition |
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| BOTTLEDUP |
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0.050" deck height?? WTF??? I hope you don't plan to run it on unleaded, I suspect it will be detonating on you.
2V Closed chamber heads standard are 61cc. I guess you could use this as your starting point but whether your heads have been modified is anyone's guess.
_________________ TE50 T1 P01 |
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| Trick Flow EL |
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Using the specs that you have given I put those into the compression calculator from this website http://www.csgnetwork.com/compcalc.html and came up with 9.26 to 1.
_________________ EL2 XR8 Auto 13.64 @ 100.76 MPH with a 2.05 60ft. Now sold! |
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| 408clevo |
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{USERNAME} wrote: Using the specs that you have given I put those into the compression calculator from this website http://www.csgnetwork.com/compcalc.html and came up with 9.26 to 1. 9.2 Compression?? Try about 8.1 compression. 7 cc piston volume? Probably not. .050 deck? Usually .041 thou. 3" stroke i assume?
_________________ XD Sedan Streeter
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| Trick Flow EL |
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Posts like the last one is why not many people will try to help you out.
_________________ EL2 XR8 Auto 13.64 @ 100.76 MPH with a 2.05 60ft. Now sold! |
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| spaz ef |
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i cc'd the heads came up at 50cc ran it all thou that comp calculater n got 9.2 something to 1 dos that sound right ? id never seen one off them comp calc makes life a lot easyer now i no... i was aiming for 9.5 so i might get some thiner head gaskets...
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| EBXR8380 |
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5.0 is usually around 60 cc chambers
.035 head gasket [varies] Approx 5 to 8 cc valve reliefes etc.. Comp should be just over 9 to 1.. Carefull with valve to piston clearance changing things around.. The closer piston is to deck ..Less chance of detonation ...
_________________ As in ZOOM 126 edition |
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