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| Non Pontiac Motors in Pontiacs includes factory 403,305,350 Chevy, Buick V6, Also Pontiac Motors in non-Pontiacs! |
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#1
05-20-2026, 10:16 AM
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has anyone installed a 455 PONT. INTO A 68 GMC ? THANKS
Looking at a 68 GMC truck to put my 455 into and checking for possible other members that have any experience with this or other close crazy ideas? Thanks for any info !!!
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#2
05-20-2026, 10:28 AM
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Not really a crazy or new idea - Pontiac v8 into 67-72 GM trucks (73-87 as well) is not an unheard of swap. I've seen a couple of swapped trucks for sale in my area in the past year. I'm sure there are threads on this site and/or the 67-72 trucks forum regarding this if you do a search.
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#3
05-20-2026, 12:24 PM
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Contact Paul Spotts in PA, he is working on a similar project.
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#4
05-30-2026, 10:23 AM
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Yes! As soon as I finish assembling my 389 I plan on dropping it in my 67 Burban.
Here's some threads that should help. https://forums.maxperformanceinc.com...ht=Curious+gmc http://forums.maxperformanceinc.com/...d.php?t=596830 There is more information on this swap over on the 67-72chevytrucks.com forum.
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If it breaks. I didn't want it in the first place. _____________________________________________ 69 GTO \ 72 FIREBIRD \ 1/2 OF A 64 GTO \ 70 JAVELIN \ 52 FORD PU \ 51 GMC PU \ 29 FORD PU \ 85 ALFA ROMEO SPYDER \ A HANDFUL OF ODD DUCATI'S \ 88 S10 LT1 BLAZER & MY DAILY DRIVER 67 SUBURBAN. |
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#5
05-30-2026, 02:49 PM
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Love it !! Lots of torque and a Pontiac in Chevy . Believe it or not Intyre early 60s it was very common to pull a Chevy and drop in a Pontiac in drag cars too my uncle had a vette w a Pontiac and it wasn't an uncommon car at the track
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#6
06-02-2026, 05:49 PM
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Pretty easy
I used clamshells and brackets out of a 73 up truck and the motor mounts from a 71-76 full size Pontiac 
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