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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 07-03-2009, 08:23 PM   #1
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Default Engine swap

I need to know if the 4.3 engine from a 88 Chevy S10 4wd fit in my bonny
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Old 07-03-2009, 08:27 PM   #2
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It woud depend on the size of the block, mostly length, and if it mates up to the tranny. I would look into what sensors need to get swapped out. There are alot of challenges that need to be overcome. Anything is possible with enough time and money. Why wouldn't you swap your 3800 with a */C version? Series 2 or 3?
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Old 07-04-2009, 09:55 AM   #3
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If it could be done, you would be taking 3 steps back with that motor......

unless you find a GMC Typhoon or Chevy Syclone motor 4.3 turbocharged V6....then we would allow you to do the swap!

Disp.: 262 C.I. (4.3L)
Horsepower: 280 BHP @ 4400 (Syclone) 285 BHP @4400 (Typhoon)

Whats wrong with the motor you have?
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Old 07-15-2009, 05:20 PM   #4
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I think I blew up my engine. I was driving and my car starting overheating stopped and put water then it started overheating again and losing power then we noticed alot of water coming out of the tailpipe.
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Old 07-15-2009, 05:59 PM   #5
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wow head gaskets are very rare with these motors!

Sorry to hear man.

How does the oil look?
Does the motor have a knock now?
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Old 07-19-2009, 03:50 AM   #6
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no there is no knock and i will check oil tomorrow and let you know what it looks like
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