Finally got new motor! - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


1992-1999 Series I L27 (1992-1994 SE,SLE, SSE) & Series II L36 (1995-1999 SE, SSE, SLE) and common problems for the Series I and II L67 (all supercharged models 92-99) Including Olds 88's, Olds LSS's and Buick Lesabres Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 03-20-2006, 01:15 AM   #1
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Default Finally got new motor!

Got a new motor for our bonnie! Old motor spun a rod bearing and wore down all the copper on the tri-metal bearing! In turn , the piston and rod had enough clearance without the rod bearing in there and broke the top 2 ring lands off smacking the head!

I got a salvage motor from a 99 grand prix with 160,000 on it , runs very strong , no noises , no leaking. I had to change the a/c bracket and the solid metal bracket on the back of the motor that bolts to the trans near the p/* pump , the rear manifold and O2 sensor , knock sensors , and the MAF.

Was my fault though , when I rebuilt it 2 years ago , I got bad torque spec info from the machine shop and the rods were under-torqued.

Thanks to everyone who helped me with my ordeal!!
Heres what it looked like just after pulling the old motor.......

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Old 03-20-2006, 01:20 AM   #2
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how much did yah get the motor for?
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Old 03-20-2006, 12:06 PM   #3
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600$ , only one place in town had the vin "K" engine and they had 9 of them from 600$ to 1000$ since I had to borrow the money I got the cheapest one.
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Old 03-20-2006, 03:02 PM   #4
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its a good thing the S2 N/A is a very popular engine.
They usually go for a fair price, sounds like you did pretty good
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Old 03-20-2006, 04:20 PM   #5
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Looks like you've done a great deal to your car! have you ever ran it at a dragstrip?
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Old 03-20-2006, 08:55 PM   #6
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Carefully inspect that upper intake manifold EGR area for deterioration, and consider installing a new one now. In fact, it'* a good idea to do the LIM gaskets now as well.
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Old 03-20-2006, 10:19 PM   #7
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Yeah , I have the aftermarket upper from the first motor I am going to swap on next week after I get the gasket for it. Very good advice though , as that is what happened to the first motor before I bought the car! (failed upper)
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Old 03-20-2006, 10:22 PM   #8
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Please don't underestimate the importance of replacing the lower intake gaskets.

At only 77,000 miles, my lower gaskets were SEVERLY deformed. If I were to have a failure, I am 99.9% sure that it would have derived from the lower intake gaskets. I replaced them with a set of aftermarket Felpros.
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Old 03-21-2006, 11:07 AM   #9
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BTW...went to the dealer Saturday for LIM gaskets on an L36. Was automatically handed the aluminum frame gaskets.
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