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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Jun 2004 Posts: 8,597 Riding in the Passing Lane | | Riding in the Passing Lane Joined: Jun 2004 Posts: 8,597 | I'm aware The GMC 300 engine is a big tough engine. It is very heavy. But I believe you will be going backwards putting it in a 68 model truck.
Do you know what was originally in it. You can tell by the serial number weather it was a v-8 or 6 cyl.
I think you would be better off putting a 292 or 250 6cyl. in it. or a small block v-8. That would be almost a direct drop in
swap. Any modification needed would be readily available parts. You might even have to change the front springs to use the 300 engine
I'll agree the T-5 transmission would be a great addition for what ever engine you use. I have put in several of them. You may won't to consider
one with the .o73 o-drive ratio instead of an .086. It depends on what engine you use.
George
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne SuperIn the Gallery Forum | | |
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