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| Piston question https://slantsix.org/forum/viewtopic.php?t=48676 |
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| Author: | icepaddles [ Sun Apr 29, 2012 9:38 pm ] |
| Post subject: | Piston question |
Are the old TRW 12xx pistons 1.740 or 1.760 compression height? Thinking about using the 1.740 height pistons instead. What camshaft spec. should I look at when considering the compression height, I know there is a chart when considering dynamic comp. ratio. |
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| Author: | Charrlie_S [ Mon Apr 30, 2012 3:58 am ] |
| Post subject: | |
The ones I have on the bench, measure 1.754 Why would you want to use a 1.740 piston? That will lower the CR. |
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| Author: | icepaddles [ Mon Apr 30, 2012 3:51 pm ] |
| Post subject: | |
I had cc'd the heads and they will be equalized to 51.5 (Previous build) and from a stand point of longevity, the lower toward the pin, the less scuffing. Thats why I was interested in learning what cam spec. to seek out, if I could urk out a little performance on that end. Street performance for this one (225) but on my 170 I want some rpm and maybe turbo so am thinking same for pistons but lower CR with that so I can run higher boost with more cylinder volume. |
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