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Old 08-30-2006, 07:27 PM   #1
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Default What is interchangeable between GTP, GS, SSEI

I assume there are many parts that are same the same. I would believe that alll engine related (Pulley, T-Stat, Rockers ect are the same), but what else ?? FWI/CAI? PCM? Belts? Any Exhuast?
Just looking for more part buying options/ places.
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Old 08-30-2006, 07:31 PM   #2
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PCM and belts should be fine, though IIRC the PCM would need to be flashed. Same physical unit though. Exhaust on the Bonnevilles is a bit different than the Regal or GP. We've found that the manifolds and downpipes aren't interchangeable.

An FWI or CAI will probably also need to be modified to sit in the Bonneville engine bay properly.
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Old 08-30-2006, 07:33 PM   #3
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I thought one of the belts was different because of the accessory bracket differences?
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Old 08-30-2006, 07:39 PM   #4
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Quote:
Originally Posted by willwren
I thought one of the belts was different because of the accessory bracket differences?
the accessory belt is diffrent do to slight change in alternator positioning. I think the belt is shorter for the gtp.
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Old 08-30-2006, 07:46 PM   #5
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So if I found a GTP Press on 3.4 pulley it would fit. How hard is it to put on a press on pulley? What is a good price on a used 3.4 pulley?
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Old 08-30-2006, 08:55 PM   #6
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Quote:
Originally Posted by OLDsman105
I think the belt is shorter for the gtp.
My bad. Everything else I said should be valid, though.
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Old 08-31-2006, 06:09 PM   #7
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Given I live in Michigan and it is starting to cool off. I am going to do a 3.4 press on and a 160-180 T-stat with a drop in stock style K&N.
Will this be a safe set-up over winter with more supporting mods to come in the spring?
What belt will I need with the new pulley?
What is the thought on intercoolers? and what kind of kits and results are there?
Does anyone make a Lowering Spring Kit for the bonneville Will I need Camber caster plates?
Thanks
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Old 08-31-2006, 08:33 PM   #8
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Quote:
Originally Posted by VanFaasenC
What belt will I need with the new pulley?
Thanks
Unless there were changes in the routing you'll need a 715 belt. Trust me

You'll still need to scan to make sure ya don't have any KR. The next mod will definately need to be the exhaust to open up and get better flow
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