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Old 01-10-2006, 07:18 PM
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Putting a Grand National Motor in a Cutlass

Hi

Im wanting to do something in one of my cars.

A buddy of mine has a old working 1985 Grand National motor in his garage. It has the turbo in the back of the motor instead of in front of the motor. What are the drawbacks of having this?

Also what transmission and rear end should I get when I put this motor in my car? Im wanting it quick from the get go.

Also what modifications would I need to make to my Cutlass to use the grand national motor? I have the brain the wiring and all the other small thinks that bolt onto the motor.

What do yall think?

THanks,
Chris

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Old 01-10-2006, 07:21 PM
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What year Cutlass?
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Old 01-10-2006, 07:29 PM
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1986 supreme
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Old 01-10-2006, 08:51 PM
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what's wrong with his GN? They're worth more with the turbo six than the v8.

Just curious.

I also wondered about using a modern 3800v6 from a late model camaro and using it in turbocharged form, the engine is an updated version of the old 3.8s.
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Old 01-10-2006, 09:05 PM
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You will have no problem putting the turbo engine from the GN into your Cutlass. They are the same under the body. You will need the mounts for the GN. This is a fairly common swap. I had a friend that did a similar swap GN engine into a non GN Regal, that car was a sleeper and lots of fun.
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Old 01-10-2006, 11:53 PM
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Ok Thanks

Will I need to change all the wiring in the car along with the brain? Or just switch out the brains?

The reason he has the motor is because it was in his buddies grand national. They thought the coil pack was bad cause of the way it would start when it wanted too. It ended up being a loose plug under the hood but it was too late he sold the tranny and just had the motor. He is now getting a vortec 350 with a new tranny.

I am really looking forward to hooking it up too my car.
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Old 03-31-2011, 09:39 PM
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87 gn motor into a 86 cutlass

im tryin to do the same wat all is need to do so...
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Old 03-31-2011, 09:46 PM
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Hey Reggie...this post is 5 years old
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Old 04-01-2011, 08:54 PM
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where could i find dis info im askin about at then buddy n thanks
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