hello, recently i've built m52b28 stroker 3.3l with 87mm bore, i installed m50 non vanos dual valvesprings on my m52 head, can i rev this engine 7500-8000 rpm safely? there is 0.5mm deck clearance and 1.75mm head gasket
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i hope you use a ATI damper so you dont shake the bottom end to bits.
what cams? more than likely there is no need to rev that high with that big of an engineLast edited by digger; 09-28-2015, 05:49 PM.89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...
new build thread http://www.r3vlimited.com/board/showthread.php?t=317505
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Youll need an ATI dampener to rev an S52 crank over 7200 reliably. M52 crank is another story but either way your power on S52 cams will start tanking after 7050...
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when he said 3.3L and 87mm bore than means a stroke well over 90mm ??Last edited by digger; 09-29-2015, 05:05 AM.89 E30 325is Lachs Silber - currently M20B31, M20B33 in the works, stroked to the hilt...
new build thread http://www.r3vlimited.com/board/showthread.php?t=317505
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