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earlr85944's Avatar
 
Join Date: Nov 2004
Location: ronkonkoma ny 11779
Posts: 2,024
advice on rod bearings

I've got my personal car apart to replace the oil pan gasket, sway bar bushings, motor mounts, brake lines to SS etc. Whats the deal on changing the rod bearings? The car has 98K N\A and the oil pressure is nice in the normal range with out any knocking? Leave well enough alone or change them before a problem?

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83 944....bye bye
85.5 euro spec 944, 5sp (she's gone....
74 914...hasta LA Vista baby
87 924s....don't let the door hit ya
68 912.......see ya!
Old 06-04-2005, 06:40 PM
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Change them. If you are already that far into the motor you might as well spend the $75 to get a new set of bearings and nuts. I'm almost positive you'll find the number 2 bearing is pretty worn already. The 944 is notorious for eating those bearings up. If you get to the point of hearing knocking you're already too late, the bearing has spun and damage has already happened.
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Looking for a nice 944S for a daily driver.
Old 06-04-2005, 07:40 PM
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At 98,000 miles, the engine is just broken in for street driving. for sustained high rpm use (racing), cross drill the crank now.
Old 06-04-2005, 07:41 PM
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ive decided to check the bearing clearance before ordering parts. anyone know the stabdard clearance for the rod bearings?
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83 944....bye bye
85.5 euro spec 944, 5sp (she's gone....
74 914...hasta LA Vista baby
87 924s....don't let the door hit ya
68 912.......see ya!
Old 06-09-2005, 07:34 PM
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you better get a shop manual bro.
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Old 06-10-2005, 03:50 PM
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Join Date: Aug 2001
Location: Brighton UK since 11/2012
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The bearings come in two sizes, standard and 0.25mm oversize. Most if not all are standard. Check size, buy and install. Problem over.

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Old 06-10-2005, 04:26 PM
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