alright, well i did a compression test on my m42... it read 180psi give or take 1 or 2 psi accross the board... isn't that unusualy high? the specs are supposed to be 150. i put cam's in, and got the head machined slightley. i don't think it should have raised that much tho...
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Last edited by kowalski; 01-14-2006, 07:06 PM. -
Not sure exactly. If its suppose to be 150 and you machined the head, its POSSIBLE for it to change that much. If its 180 +-2psi in all 4 cylinders, thats a good thing :)
WillRIP e30 (brilliantrot '91 325i) 11/17/06 Byebye: 8/21/07
Welcome e30 (brilliantrot '90 325is) 12/23/06
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Originally posted by george graves -
I had the head shaved .020" on my old eta, and that thing had about 180-190 psi on each cylinder. Very nice
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o believe me i wasnt complaining in the least:DOriginally posted by PeaveyBassistComment
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