Thread: compression ratio

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2014-01-12 13:25:35

Perry

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compression ratio

I'm using sr20de block, De rods and det pistons ,sr20 head. Anyone know what the compression ratio?

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2014-01-12 13:33:36

BenFenner

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Should be 8.5:1 since it is all down to the piston choice. Can anyone else confirm?

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2014-01-12 14:31:54

morgans432 Online/offline status of morgans432 is unknown

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yep

to low for my liking

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2014-01-12 14:47:46

Perry

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We line up the det rod and de rod and found that the de rod slighty longer. Can anyone back me up here?

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2014-01-12 15:19:06

morgans432 Online/offline status of morgans432 is unknown

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nope that isnt correct

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2014-01-12 15:32:31

BenFenner

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One of those rods must be bent/stretched. That doesn't sound right at all.

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2014-01-12 15:46:26

se200

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I have lined the two rods and they are the same. 8.5/1 cr is what you got.

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2014-01-13 01:36:52

Perry

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ok thank you guys. i would let u guys know when i start up and running.

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2014-03-22 19:35:38

Mattick22

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Correct me if I am wrong but I believe what gives the DET the 8.3:1 CR is the head correct? The 54C pistons are different in the way that they feature the recess for the oil squirters.

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2014-03-23 15:55:50

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jdmsentra

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Gtir head causes the 8.3:1

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