Worth putting an engine in my 1990 Bonneville - Page 2 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat

1987-1991 Parley with regards to your 1987 to 1991 Bonneville, Olds 88 or Buick Le Sabre Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 10-07-2004, 07:42 AM   #11
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Maybe.. but I think everyone is just physically, and emotionally attatched to their LN3, THE greatest 3800. Now, ladies and gentlemen, you may start, you, FLAMING! loL!

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Old 10-07-2004, 01:39 PM   #12
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One reason is that the "C" engine is balanced to the transmission, intake, and exhaust. To get more power, all really need to be changed. Personally, I have never cared for forced induction if for nothing else than it requires premium fuel instead of regular.

Do think a modern SIII 205 hp 3800 with a 4T65E trans would be the best swap and provides a number of improvements over the "C" or even an "L" but would be a major harness change.

Looks like it is on the way out though, is no longer a featured engine on http://www.gm.com/automotive/gmpowertrain/
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