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12-04-2010, 11:13 AM
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#1 |
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Registered User
Join Date: Oct 2010
Location: Ruston, LA
Posts: 25
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472 Caddy in a 67-72?
Just curious. Has anyone here ever shoehorned a 472 Caddy engine into a 67-72 Chevy? I know there is room, just mainly wondering if anyone has done it and if there were any major obstacles that caused problems.
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12-04-2010, 11:38 AM
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#2 |
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BlahBlahBlah
Join Date: Feb 2002
Location: Wa.
Posts: 20,019
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Re: 472 Caddy in a 67-72?
I dont know if a 472 is the same as a 500 but there have been lots of threads on the subject. Maybe do a search on Caddy or Cadillac?
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12-04-2010, 11:39 AM
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#3 |
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Big Block Short Bed Stepside
Join Date: Sep 2005
Location: Port Saint Lucie
Posts: 138
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Re: 472 Caddy in a 67-72?
look up longhornman he did it twice.
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Big Block Club Short Bed Stepside Club Disk Brake Club |
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12-04-2010, 11:51 AM
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#4 |
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Old Skool Club
 
Join Date: Jun 2001
Location: Benton, AR "The Heart of Arkansas"
Posts: 10,880
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Re: 472 Caddy in a 67-72?
500 is just a bigger 472.
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Member Nr. 2770 '96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed. '69 C-10 SWB; 350/TH400 - in limbo The older I get, the better I was. |
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12-05-2010, 11:59 AM
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#5 |
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Registered User
Join Date: Aug 2001
Location: rock island,il,usa
Posts: 5,382
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Re: 472 Caddy in a 67-72?
There is a pick of a 425 cad that ran a couple seasons in my longhorn....just dig through my webshot pics.
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12-05-2010, 01:18 PM
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#6 |
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1972 C/20
Join Date: May 2005
Location: Santa Rosa, Ca
Posts: 273
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Re: 472 Caddy in a 67-72?
472 is a 500, I think the only difference is the crank. If someone says 500 block, they can mean a 472 or a 500.
http://67-72chevytrucks.com/vboard/s...d.php?t=313233 |
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12-05-2010, 02:50 PM
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#7 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: 472 Caddy in a 67-72?
yes, the crank is the main thing between a 500 and a 472.
A quick rundown of how I did it... Need a BOP trans to bolt up, possible drive shaft mods depending on tranny chosen Fuel line run onto other side of engine. Dimple firewall on drivers side flatten the flair on passenger side frame rail up towards the front. use 73 - 87 truck engine stands, drill large hole in center, and lop off front lower corner (upon mock up you'll see where it's needed and why) Caddy rear wheel drive manifolds, rear sump pan, I used eldorodo motor mounts, a 425 oil pump is smaller and clears the front crossmember with no trimming, a 69 472 fuel pump is 3/8 in and out with no return line... I think that's about it, plus some moving of wires around under the hood to relocate the alt onto the passenger side. You'll want a 3.07 gear if it is a street driven truck. 4 row rad is a must get strong U joints bald rear tires are a common problem too. MPG generally goes up considerably once you stop playing with the torque and just driving it. |
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12-05-2010, 03:02 PM
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#8 |
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Registered User
Join Date: Oct 2010
Location: Ruston, LA
Posts: 25
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Re: 472 Caddy in a 67-72?
Great info guys. Thanks a million!
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12-05-2010, 10:46 PM
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#9 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: 472 Caddy in a 67-72?
there's little details that I have long since forgotten, but that is in all reality the main things to the swap.
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12-06-2010, 12:37 AM
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#10 |
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My Carbon Footprint
Join Date: Oct 2008
Location: Orygun
Posts: 5,527
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Re: 472 Caddy in a 67-72?
Over 80K posts now LHM?......unbelievable!
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12-06-2010, 01:00 AM
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#11 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: 472 Caddy in a 67-72?
I've been here just shy of a decade too though.
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12-06-2010, 01:40 AM
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#12 |
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My Carbon Footprint
Join Date: Oct 2008
Location: Orygun
Posts: 5,527
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Re: 472 Caddy in a 67-72?
That would be 3650 days into 80,330 post which comes out to be 22 posts a day.....EVERYDAY. Dare I say "post whore"? lmao
I remember when it was 75K and I thought that was a ton. This is a good place to pitch a tent and camp out though huh? Thanks for all your great information! This is totally in fun.... |
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12-06-2010, 03:57 AM
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#13 | |
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Big Red - Now its a SWB!
Join Date: Jun 2009
Location: Oroville, Ca
Posts: 1,624
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Re: 472 Caddy in a 67-72?
Quote:
 .
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68 3/4 ton  (Project)-350 Small Block, .030 over, 10:1 comp, 3998993 heads, C3BX edelbrock intake, comp cams XE268, Holley 670 SA, long tube headers, dual flow 40's, E-fan, Alum rad, currently under the knife getting shortened and bagged  build thread41 3/4 ton (wife's)-flatbed, fully restored to original01 Tahoe LT 4WD (my daily driver)-Magnaflow Muffler, Rollin on 22's 02 Ford Mustang Convertable (Wife's Car)-Flowmaster 50, Clear corners, Intake, sittin on 18's |
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12-06-2010, 10:21 PM
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#14 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: 472 Caddy in a 67-72?
i spent a few years here when I had nothing else better to do.
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12-06-2010, 10:48 PM
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#15 |
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My Carbon Footprint
Join Date: Oct 2008
Location: Orygun
Posts: 5,527
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Re: 472 Caddy in a 67-72?
I'll be the first to say that my wife has told me more than once to get off the damn forum and get something done. I just tell her I'm providing good, technical information.
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12-06-2010, 11:05 PM
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#16 | |
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Registered User
Join Date: Aug 2001
Location: rock island,il,usa
Posts: 5,382
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Re: 472 Caddy in a 67-72?
Quote:
crazyAl
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http://community.webshots.com/user/hotrodhorn |
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12-06-2010, 11:10 PM
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#17 |
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MadMan
Join Date: Nov 2010
Location: Hammond, La.
Posts: 490
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Re: 472 Caddy in a 67-72?
I have a buddy with a 472 he's about to throw on Ebay. His grandfather ran a funeral home and this engine was in one of the hurses. Car was a local driver, not many miles..
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12-07-2010, 12:01 AM
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#18 | |
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Redefining LowBudget
Join Date: Mar 2009
Location: lebanon Cow Hampshire
Posts: 4,538
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Re: 472 Caddy in a 67-72?
Quote:
Been there done that check my build for all the info and not to step on LongHorns toes but I didn't "tune" the fire wall...it's 100% bolt in if you use the right parts and I did it by myself in 3 days including cleaning and painting everythin which took a day...If you have any questions I'll do my best to help out Jeff
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1970 C10 CST fleetside 472 ....big dreams little cash... SunShine Syndicate..  Mikes Sandwich Fair Run OCT 8th 2011
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12-07-2010, 12:16 AM
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#19 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: 472 Caddy in a 67-72?
I didn't have to, but I wanted an inch or more between the drivers side valve cover and the firewall.
There's a million ways to do it. |
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12-07-2010, 12:54 AM
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#20 |
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Registered User
Join Date: Aug 2001
Location: rock island,il,usa
Posts: 5,382
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Re: 472 Caddy in a 67-72?
I CUT the firewall, on my Cad swap....I wanted the weight as far to the rear as possible! He!! it was only the gas peddle that had to move back 1 inch
I will tell you square, I didnt do a "3 day build", but it was "dead nuts" when it was done Andy said it right....there are a million ways to do it You can do it fast & dirty.....or play the fab man. If you can play fab man in 2 or3 days, my hat is off to you(you are a better fab man than this old man crazyAl
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