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| | | Forums66 Topics128,034 Posts1,055,540 Members48,425 | | Most Online14,466
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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Feb 2008 Posts: 207 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2008 Posts: 207 | does anyone know what exhaust manifolds/headers will fit in a AD truck with a 454 big block? i was thinking about somthing out of a corvette or camaro. | | | | | Joined: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | Until very recently I'd claim never to have seen a 454 in an AD truck that had not been clipped or MII'd. But I saw one just a couple weeks ago. It has cast iron manifolds on it and a front steer power steering conversion. The steering is the challenge on a swap like this. Billetproof NW PhotosStart with 100_4357.jpg and work you way through to 100_4374.jpg. These pictures are of a 1/2-ton AD with a 454 and I took detail pictures of a number of aspects of the install including what I could see of the power steering setup. Just today I dragged a junk 454 into my shop prep to mocking up putting one in my AD 1-ton. I hope to use stock manifolds but haven't yet got the pieces close enough together to really know.
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble... | | | | | Joined: Feb 2008 Posts: 207 Wrench Fetcher | | Wrench Fetcher Joined: Feb 2008 Posts: 207 | do you know what the manifolds are out of? | | | | | Joined: Oct 2003 Posts: 5,152 Cruising in the Passing Lane | | Cruising in the Passing Lane Joined: Oct 2003 Posts: 5,152 | I don't know. I can see plugs in the manifolds, so they originally had air injection. I suspect once you solve the steering problem pretty much any stock manifold will work.
1955 1st GMC Suburban | 1954 GMC 250 trailer puller project | 1954 GMC 250 Hydra-Matic | 1954 Chevy 3100 . 1947 Chevy COE | and more...
It's true. I really don't do anything but browse the Internet looking for trouble... | | |
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