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Thread: Tomei valve springs are shorter?

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Posts: 1-3 of 3
2014-06-17 18:27:31
Tomei valve springs are shorter?
Just bought this tomei poncams of a guy, and surprise surprise it came with springs, they are painted red in the bottom, i assume their tomei... but comparing to stock, they´re shorter...

Is this from another variation SR20? I´m comparing to a EUDM 10:1 highport. I know for a fact that gtir springs are double and shorter, so there might be another sr20 variations.

2014-06-18 14:29:24
Thanks guys already found my answers... aftermarket free height may difer from stock free height... doesn´t mean thay don´t work... guess it´s to avoid coil bind... longer would be tougher to get higher lift without binding.

In fact cosworth springs are 3+mm shorter then stock. Cosworth 20000168 High RPM Single Valve Spring Set (16) Nissan SR20DET (2.0L), stock free height is 49.36mm.
2014-06-28 12:56:54
same idea with lowering springs. a stiffer spring will exert more force upon compression so it does not have to be the same length as oem. run it and gun it, bud.
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