I might have failed at searching but I couldn't find the answer: Does anyone know the deck height and compression height on the VQ37VHR engine? Thanks!
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05-08-2017, 10:53 AM | #1 (permalink) |
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Deck and compression height
I might have failed at searching but I couldn't find the answer:
Does anyone know the deck height and compression height on the VQ37VHR engine? Thanks!
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05-08-2017, 12:07 PM | #2 (permalink) |
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If nobody comes up with an answer, that info may be in the FSM (link in my sig).
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05-08-2017, 12:17 PM | #3 (permalink) |
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I looked in the FSM and didn't find it in the section I presumed it would be in: Engine Mechanical. Thank you though.
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2009 G37X | 326 AWHP | 264 AWTQ |
05-09-2017, 03:47 PM | #4 (permalink) | |
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Quote:
Brian Crower web site states the following for block height, which i believe is the same thing as deck height- Stock Specification VQ37HR 95.5mm bore x 86.0mm stroke - 8.795" Block Height i did not see any specs on compression height. |
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05-09-2017, 04:01 PM | #5 (permalink) |
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Thank you. 8.795 inches is about 223.393mm which is close to my guess of 225mm.
I reached out to a few piston companies to see if they had the information. If someone happened to have a piston laying around that could measure it that would rock.
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2009 G37X | 326 AWHP | 264 AWTQ |
05-09-2017, 04:18 PM | #6 (permalink) |
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05-09-2017, 04:40 PM | #8 (permalink) |
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30.43mm CH is what I found randomly on an other forum as well. Though the Comp ratio is 9.0:1 on those pistons so I wonder if they moved the height any to achieve that or just dished the piston more. Thank you again.
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2009 G37X | 326 AWHP | 264 AWTQ |
05-09-2017, 09:50 PM | #9 (permalink) |
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Believe those might be induction pistons at 9 CR. Should be 11 CR for stock N/A.
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