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High oil pressure fix 
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Joined: Sun Dec 12, 2010 8:12 am
Posts: 518
Location: Pomona
Post High oil pressure fix
aside from porting the oil relief hole in the oil filter housing and porting the oil port on the deck side of the head, there's another way to help lower oil pressure if it's still too high, as is the case with my 2g. when i overhauled my 6 bolt, i removed the balance shafts, ported the oil filter housing and the oil port on the head and still get high oil pressure. at idle im around 17-22 psi warm, which is ok, cruising at 3k rpm im around 65psi, and at wot i peg 100psi. i did some searching and came across a part number for a weaker relief spring that will help lower oil pressure.

part # for weaker relief spring: MD015988

and here's two threads i found after searching the part number. http://www.dsmtuners.com/search/54786/? ... 988&o=date

havent gone to order the part yet, but will be ordering it this week and installing during my next oil change and will report back with results.

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-Raul aka Jr.
1996 Eclipse GSX
1992 Eclipse GSX (down at the moment)
2003 Yamaha R6


Sun Jun 15, 2014 9:44 am
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Joined: Tue Aug 14, 2007 2:39 pm
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Location: La Habra
Post Re: High oil pressure fix
Nice! Good info.

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Mon Jun 16, 2014 6:32 pm
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Joined: Sun Dec 12, 2010 8:12 am
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Location: Pomona
Post Re: High oil pressure fix
so got around to installing the weaker oil pressure relief spring while i did an oil change.
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as far as results go, my oil pressure did get lower by 10 psi, but still too high. :bang: looks like ill be pulling off my ofh to port the relief hole a little bigger. i guess i didnt port it enough when i did it the first time around. but the spring did work to lower oil pressure, i just need it to be lower.

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-Raul aka Jr.
1996 Eclipse GSX
1992 Eclipse GSX (down at the moment)
2003 Yamaha R6


Sun Jul 06, 2014 9:31 am
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Joined: Wed Jul 07, 2010 11:12 pm
Posts: 336
Post Re: High oil pressure fix
Damn... Good info though


Sun Jul 06, 2014 10:45 am
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