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Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 05-26-2011, 05:46 PM   #1
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Default 1997 Bonneville SSE

I have a 1997 Pontiac Bonneville SSE and it still has some snap to her with 120,000 miles on it. My question is could I mount a supercharge on it or will this take alot of modification. I found a 1999 supercharge with pulley for sale for $189. Ill inspect and replace parts before install but is this possible. My other questions would my transmission be able to handle the boost?? Thanks in advance.
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Old 05-26-2011, 05:57 PM   #2
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First, way to much for the supercharger.

Second, ya, you can top swap. So sit down and I'll explain what needs to be done.

Pull the top off your engine, including the heads.

Put on a set of L67 heads from a 98 or newer engine.
Put on a L67 lower intake manifold
Put on the supercharger
Put on a L67 throttle body
change out the fuel injectors and fuel rail from ones from a L67
Change the harmonic balancer with one from a L67
Change the ICM bracket with a L67 bracket with a tensioner
Add the extra pulley for the supercharger, these are harder to find
Now get a tune.

Your done.

I have a new complete top swap on the shelf. $450 shipped. It'* missing a harmonic balancer, and injectors. Oh, and a front valve cover, which I believe billboost just posted one up for sale. It'* not hard to do, I just finished one. The tune is a bit more work.
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Old 05-28-2011, 12:44 PM   #3
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Thanks alot, this was the type of info I was needing. The tuning I can do myself because I have a DynoTune box that my friend used alot last year when our friends started getting bikes and exhaust and I tuned them for free. It didnt take much tuning because the pipes allowed more breathing so I mainly tiunes the fuel pressure and adjusted the redline. Thanks for the reply and I hope iw ont need to talk to you again about this subject because Im hoping everything goes good. Take Care
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Old 05-28-2011, 12:50 PM   #4
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If you get the supercharge ready for a swap I would definaly buy from you. What I would love to do is either SC or Turbo my Northstar V8 in my Bonney GXP. Have you ever heard of anyone doing this or is it basically non-upgradable like I have been seeing everywhere on the internet. Thanks in advance and take care. Jonathan
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Old 05-28-2011, 12:53 PM   #5
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It'* not real hard to do, I just finished one. With a bit a skill it'* perhaps a 6 hour job or so. The tuning is going to be not so easy. There'* several tables that need to be turned on, and others adjusted. I can do this but you would need to ship the PCM to me. Then you need to start working on fueling and spark advance. And the timing is going to take a lot of work. Your talking about a engine that has 9.5:1 compression instead of 8.5:1 compression on a supercharged engine. To much boost and to much timing and boom.
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Old 05-28-2011, 12:55 PM   #6
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Quote:
Originally Posted by zigger21 View Post
If you get the supercharge ready for a swap I would definaly buy from you. What I would love to do is either SC or Turbo my Northstar V8 in my Bonney GXP. Have you ever heard of anyone doing this or is it basically non-upgradable like I have been seeing everywhere on the internet. Thanks in advance and take care. Jonathan
All the parts I have are sitting on the shelf and ready to ship.

Your N* is going to be a problem, mainly because you can't tune the PCM, it'* locked. Not being able to tune it means you can't adjust fueling and timing. GXPvenom put NOS on his and that'* about all you can do.
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