Engine blown on the way home from buying the Bonneville! - Page 2 - 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 09-22-2005, 02:15 PM   #11
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Sorry to hear about your new investment Paul. If i were to make an educated guess though i would say that its a spun crank bering and that requires the crank to be turned and polished along with a line bore done on the block. My opinion, swap in another motor because of cost. Its really not a hard job at all cause you can leave the tranny in the car when you pull the motor. Finding a good used L27 shouldnt be a problem at all since they were put in a ton of the gm fwd cars. If ya lived closer id help ya out with the motor swap. Let us know what ya come up with.
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Old 09-22-2005, 09:11 PM   #12
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I just replaced my motor in a 1994 for 200 bucks. plus the oil, gaskets, etc to make the swap. and I sitll have my core with all good sensors, injectors, heads, etc.......

but my best friend runs a salvage yard, so I did get the homeboy hook up price. it only took us about 4 hours to swap em out. and that ws moving slowly. not much too it. most everything is easy to get too. except for that one bell housing bolt that is a super bitch that you have to use 4 or 5 extensions to get to, lol.
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Old 09-22-2005, 09:14 PM   #13
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Quote:
Originally Posted by robmpulse
I just replaced my motor in a 1994 for 200 bucks. plus the oil, gaskets, etc to make the swap. and I sitll have my core with all good sensors, injectors, heads, etc.......

but my best friend runs a salvage yard, so I did get the homeboy hook up price. it only took us about 4 hours to swap em out. and that ws moving slowly. not much too it. most everything is easy to get too. except for that one bell housing bolt that is a super B**** that you have to use 4 or 5 extensions to get to, lol.
Agreed... That opposing tranny bolt is a rotal PITA... 1/2" extentions and a breaker bar along with air tools make it a lot easier to deal with...lol

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Old 09-26-2005, 11:48 AM   #14
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Thanks for all the advice, and esp. from those who've done the motor swaps. Four hours (taking your time) sounds like a good deal, especially with only one difficult bolt to deal with. That'll make it easier to justify the risk on a used motor, for sure. I also found Pontiac will sell me a NEW motor 50,000 MI/3 yr warranty (still good if I do it myself) for about the same $ as a Jasper reman, that their certified guy has to do. So, I may spring for the $2600.00 NEW motor for a $500 ten-year-old car. Am I crazy? Judging by the raves I see on thes board and the comfort I feel in the seats in the car, I'd say probably not. Besides, I'll have a ride that should last another ten years, right?
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Old 09-26-2005, 12:05 PM   #15
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Sounds like a plan. Your failure wasn't typical by any means. The L27 is a brutally tough engine. Properly cared for, that motor should outlast a couple transmissions and the chassis.

When figuring your costs, do keep in mind that at some point, you'll also have to spring for a trans. I've seen 4T60'* go over 200k with the L27, but I've also seen them fail at 150k.
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Old 09-26-2005, 03:05 PM   #16
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sorryy to hear about that sounds like a plan
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Old 09-28-2005, 06:16 AM   #17
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One more question on this topic; Are the engines on the 92 and 94 Bonnevilles identical, or close enough for a good swap? I may have the opportunity to buy a whole car for about 50 bucks, but it'* a 92. Good engine, but the flex plate on the trans needs replacing. 'course this all from the owner, as last time I looked at it there was no key to try to start and hear the thing run. Now, I guess that she decided to break the ign. to get the car moved... so it'* even more of a parts car.
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Old 09-28-2005, 06:46 AM   #18
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The bottom end should, but from the heads up it'* different.
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Old 09-28-2005, 11:50 AM   #19
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Thanks for the info. I'll scratch that one off my list!
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