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03-17-2017, 11:42 AM | #1 |
Registered User
Join Date: Mar 2017
Location: Kingstree, SC
Posts: 5
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65' truck future 472 caddy swap
Hello forum I'm new here, recently I've purchased a 1965 gmc 2500 fleetside, I've got a 1968 caddy 472 big block that I plan to swap into the truck and just wanted to see if anyone else has done this swap before (I know they have, by no means is this swap new) and was just trying to get some advice, pointers and helpful knowledge to steer me in the right path to completing this swap. Thanks everyone for any info given in advance
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03-17-2017, 11:56 AM | #2 |
Registered User
Join Date: Feb 2016
Location: Richmond, VA
Posts: 176
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Re: 65' truck future 472 caddy swap
There is a couple 500/472 Swaps around here, one I found:
Local 29's http://67-72chevytrucks.com/vboard/s...d.php?t=685367 |
03-17-2017, 12:03 PM | #3 |
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Join Date: Mar 2017
Location: Kingstree, SC
Posts: 5
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Re: 65' truck future 472 caddy swap
I saw that posting too, sadly that truck already came with the engine when he bought it so it didn't really help me with the process of doing the swap
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03-17-2017, 01:44 PM | #4 |
and a few others
Join Date: Jun 2007
Location: Blue Ridge Mountains of VA
Posts: 5,638
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Re: 65' truck future 472 caddy swap
Board member Longhorn Man did one probably 10 years ago. I don't think he ever did a build thread on it though. And, he's not active on here anymore.
His was a 67-72 but it will all be the same. If you search for his past posts, he always refers people to this thread: http://67-72chevytrucks.com/vboard/s...ad.php?t=20020 This truck was also already completed when the thread was started. I haven't read through the whole thread but I guess there's lots of useful info towards the end. Good luck. Nice to see someone who's not doing the standard SBC swap.
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03-17-2017, 01:49 PM | #5 |
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Join Date: Mar 2017
Location: Kingstree, SC
Posts: 5
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Re: 65' truck future 472 caddy swap
I saw he was the man to talk to and was sad to see he was no longer on here. The truck has a 350 in it now but it's going out! I'll go through his thread and see what all I can get from this. Thanks for the link
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03-17-2017, 09:37 PM | #6 | |
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Join Date: Oct 2012
Location: Eldon, MO
Posts: 1,753
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Re: 65' truck future 472 caddy swap
Quote:
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03-17-2017, 09:58 PM | #7 |
Registered User
Join Date: Mar 2017
Location: Kingstree, SC
Posts: 5
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Re: 65' truck future 472 caddy swap
Yes it's a gmc with a Chevy grille that guy I bought it from couldn't find a gmc grille for it so he settled for the Chevy grille
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03-18-2017, 12:02 AM | #9 |
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Join Date: Jan 2011
Location: Tulare, CA
Posts: 734
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Re: 65' truck future 472 caddy swap
Enginewolf,
I was going to this swap myself but the freshly rebuilt 472 I was supposed to get got sold before I could pick it up. But here's what I remember IF I remember correctly. You need an oil pan out of a 472 to 500 CI inch Eldorado. The regular Caddys are front sump pans and won't work with our trucks.The Eldo pans look funky because they had to clear the drive axles. Another option I read uses the 368 oil pan. It will work with a 472 Caddy Motor but not a 500 unless you clearance the side of the pan with a BFH to clear the stroke of the 500 crank. The 368 is considered a mid sump pan but will supposedly clear in our trucks. You will also need the correct long oil pick up tube & screen to match the pan. You will also need the front oil pump off a 425 or 368 because the oil filter is moved to a different angle to clear our frames and they take a smaller oil filter. Of course you will need the 425, 472 or 500 motor mounts - the frame & motor sections. Any other questions or concerns please ask. It's been a while but I dug into this a few years ago. |
03-18-2017, 05:16 PM | #10 | |
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Join Date: Mar 2017
Location: Kingstree, SC
Posts: 5
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Re: 65' truck future 472 caddy swap
Quote:
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03-23-2017, 11:36 AM | #11 |
1961 crewcab
Join Date: Dec 2007
Location: missoula, mt
Posts: 6,164
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Re: 65' truck future 472 caddy swap
I bought a 64 gmc with a caddy motor in it. they cut a big notch in the cross member to clear the oil pan, and they also trimmed the firewall a bit to clear the valve covers.
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03-24-2017, 03:38 PM | #12 |
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Join Date: May 2011
Location: Jasper, AL
Posts: 224
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Re: 65' truck future 472 caddy swap
This was a very popular swap back in the day (I'm old), did a few of these . We took a BFH to the firewall, notched and boxed the front crossmember to clear the oil pan. Mounts were fabbed from a donor Caddy, not all that difficult. These torque monsters were perfect for towing our race cars. If you could keep gas in it.
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