1968 428 4 speed Pontiac Grand Prix

Original matching #s 428, 4 speed, 342 posi 68 Grand Prix. Only 306 manual trans cars produced in 68, that includes 3 speed manual with 400 engine.

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Autos & Vehicles

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[bg147]

This is the best sounding motor on youtube. Does it sound as good with the stock cam now? You gotta go stock, regardless.

[428grandprix]

@bg147 Thanks, I think it sounds better and performs better with the 068. I posted a vid of it running with the 068 along with my Charger. Check it out and let me know what you think.

[428grandprix]

Thanks for all the great comments. Since the video I pulled the motor out due to a leaking rear main seal ( neoprene style) I used the new graphite rope seal which completely eliminated the leak. I also installed the 068 cam and love the overall performance. I'll have the car at the Madera Ca. Pontiac show on the 30th of April.

[Bonneville462]

Is that the stock 068 cam?

Nice car!

[428grandprix]

@Bonneville462

Thanks, the cam is just a bit bigger than an 068. I will be installing an 068 in the near future.

[irishguy2725]

Cars from 1962-68 were tops. Beautiful looking "Chief", partner. Sounds fantastic. I love a bigger car with a 4 speed. Good stuff.

[mikecio1]

My first car was a 68 GP. You have a great car there. I would love to own another one day. Thanks for sharing!

[GPSPORT71]

Very very nice.....looks spotless everywhere.

[bg147]

Oh yea, she sounds as good in the new video with the 068 cam. It is hard to hear the motor with the Charger running, but the GP sounds great. It is one of my dream cars along with the Catalina 2 + 2 and others.

[74SD455TA]

Pontiacs RULE. Great car. I have a 74 SD455T/A. Torque monsters.

[maverick4719]

Beautiful car, and sounds great. I had a '68 Catalina with the Ventura trim package back in the day. I only regret now not ordering it with the 428 4 speed package.

[MrAshlandVideos]

i love it, its killer

[quetzalcoatul1]

I have just an automatic 68 gp but i wanna see more of them on here. I feel like a king when i drive mine...in the process of being rebuilt i have a parts car and my restore and a dude has one so just three in my state that i know of :-)