95 pontiac bonneville motor swap - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-20-2004, 12:44 PM   #1
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Default 95 pontiac bonneville motor swap

i wanted a couple opinions on my bonny,i am trying to swap motors and wanted to know if i can put a 1998 grandprix motor in my 95 bonny without to many costly modifications, let me know they are both 3.8 motors but will it attatch to the tranny?
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Old 03-20-2004, 12:48 PM   #2
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As long as its not supercharged you should be fine. If one or the other is an L67 then it won't marry up to an L36 Normally aspirated engine.

We need a few more specifics to give you more info? What happened to the Bonne? Lemme guess....upper intake failure?
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Old 03-20-2004, 12:57 PM   #3
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Can you put your year and trim level (SE/SLE/SSE/SSEi) in your signature?
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Old 03-20-2004, 01:00 PM   #4
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You can put either engine, L36 (n/a) or L67 (supercharged) in your car. The L36 should be a direct replacement, and will require just plugging all existing sensors into it.

The L67 will require all wiring, and a computer that go with the L67, but both will bolt in fine physically.
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Old 03-20-2004, 01:09 PM   #5
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Quote:
Originally Posted by BonneMeMN
You can put either engine, L36 (n/a) or L67 (supercharged) in your car. The L36 should be a direct replacement, and will require just plugging all existing sensors into it.

The L67 will require all wiring, and a computer that go with the L67, but both will bolt in fine physically.
If you're going to do the L67/PCM swap, you also need the trans. Not only will the 4T60E you probably have NOT work with the 98 PCM, the differences in the GP PCM'* and ours may be too incompatible with our chassis.
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Old 03-20-2004, 01:55 PM   #6
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You can grab any L67/trans and then find a Bonnie Wiring setup. Just plug in the bonneville sensors, and get some Bonneville Manifolds.
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