| G8 General Tech/Discussion G8 general tech and discussion area. |
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11-14-2013, 11:59 PM
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Chief Ponti-yacker
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Join Date: Sep 2010
Posts: 718
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G8 Pontiac engine swap
Just wondering if anyone has ever attempted swapping a Pontiac 400 or 455 into a G8 or GTO?
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11-16-2013, 04:07 PM
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Chief Ponti-yacker
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Join Date: Sep 2010
Posts: 718
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I'm shocked no one else has had this idea to put a Pontiac engine into one of these beasts.
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11-22-2013, 05:30 PM
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Late Model Moderator
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Join Date: Oct 2013
Location: CT
Posts: 27
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why go backwards????
the current trend is to take the LS motors and put them into the older cars and have best of both worlds
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2009 Stryker Blue G8 GT Roto Fab CAI and OBX Axleback, Cross Drilled & Slotted Rotors, HAWK Ceramic Performance Pads
2001 WS-6 Edelbrock Heads, KOOKs 1 7/8 headers and ORY, ESP 228 cam, SLP UD, F.A.S.T 92, NW 92 TB, NX Plate kit, SPEC 3X, Full BMR Suspension, MOSER 9in
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11-22-2013, 10:57 PM
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Chief Ponti-yacker
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Join Date: Sep 2010
Posts: 718
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No argument that the LS motor is a formidable power plant and although the G8 is not truly a Pontiac, it would be cool to have a Pontiac engine in one. I guess it's the same mindset of street rods. Everyone takes the easy way out and drops a small block in and that's it. Not very much imagination there. The new mentality is to match the engine brand to the body. More of a challenge but somehow the right thing to do.
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11-23-2013, 01:58 PM
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Moderator
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Join Date: Dec 1999
Location: Port Charlotte, Florida
Posts: 8,691
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It would be cool, but the extra weight would completely wreck the handling of the G8.
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11-27-2013, 11:01 PM
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Chief Ponti-yacker
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Join Date: Sep 2010
Posts: 718
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Hmmm maybe a Butler aluminum engine would be the ticket.
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12-25-2018, 11:28 AM
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Junior Member
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Join Date: Feb 2015
Posts: 1
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Quote:
Originally Posted by SR-71
Just wondering if anyone has ever attempted swapping a Pontiac 400 or 455 into a G8 or GTO?
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So SR-71, (why such a slow airplane?) did you ever put that boat anchor motor in the G-8??
We have two V-6 G-8s, and a Pontiac 400 and a 350 out of a 74 GTO, LOL
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12-25-2018, 12:42 PM
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Chief Ponti-yacker
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Join Date: Sep 2010
Posts: 718
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I’ve talked with Jeff Kauffman and the MR-1 engine I believe its comparable weight to to an ls and TONS more torque and a real Pontiac design type engine instead of a corporate chevy. The other reason is I don’t like ls motors.
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02-15-2019, 11:11 PM
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Senior Member
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Join Date: Feb 2007
Location: Jobstown, NJ
Posts: 133
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Personally, I love the engine in my G8 GT. It is more reliable, and may even have more horsepower than my 455 powered Tempest. I have not had the torque and horsepower tested on my cars, so I cannot compare numbers. However, I can see your point. It is disconcerting to see a Chevy engine in a Pontiac at a car show. But, lets be truthful, a true Pontiac engine hasn't been sold in a new Pontiac since around 1981. That being said, I would love to see
a real Pontiac Blue engine under the hood of a G8 at a car show. It would be especially cool if it was originally a six cylinder base model G8.
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