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D17 Gas
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BobHnwO View Drop Down
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Joined: 16 Sep 2009
Location: Jenera Ohio
Points: 693 		Post Options Post Options   Thanks (0) Thanks(0)   Quote BobHnwO Quote  Post ReplyReply Direct Link To This Post Topic: D17 Gas
    Posted: 06 Apr 2010 at 5:37am
What is max.compression pressure on a D17 gas engine with new rings?
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BillinValpo View Drop Down
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Joined: 12 Sep 2009
Location: Valparaiso, In.
Points: 40 		Post Options Post Options   Thanks (0) Thanks(0)   Quote BillinValpo Quote  Post ReplyReply Direct Link To This Post Posted: 06 Apr 2010 at 6:00am
Don't know on a rebuild but new the book says 150.
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 20883 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 06 Apr 2010 at 7:36am
AC  D17  4 inch bore OEM compression should be 145 psi. Any aftermarket 4 1/8" bore kit will probably be less than this (been my experience anyway). AC "170" or "175" compression would be around 170 psi.
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BobHnwO View Drop Down
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Joined: 16 Sep 2009
Location: Jenera Ohio
Points: 693 		Post Options Post Options   Thanks (0) Thanks(0)   Quote BobHnwO Quote  Post ReplyReply Direct Link To This Post Posted: 06 Apr 2010 at 8:33am
Thanks Guys!!
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george b es md View Drop Down
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Joined: 06 Apr 2010
Location: denton, md
Points: 13 		Post Options Post Options   Thanks (0) Thanks(0)   Quote george b es md Quote  Post ReplyReply Direct Link To This Post Posted: 06 Apr 2010 at 8:55pm
My '59  4-1/8" bore flat top pistons been pulling 2 years
188-192#
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