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03-08-2005, 07:49 AM
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#1 |
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blood type; Retumbo
Join Date: Jan 2004
Location: next to my reloading bench
Posts: 10,269
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Caddy troubles
in light of recent occurances I was wondering just what kind of things I should look out for with the Caddy swap. I dont want to have any troubles whatsoever after the thing is in & running. is there some secret mod for the oiling system? valve train issues? bearing clearance recommendations? anything? I much rather spend the time & money up front if at all possible. I am planning a complete rebuild of the 472. it is intended to be a daily driver with about 60% of its life being on the highway. I was thinking of a gear in the 2.56 range behind the TH400 to keep RPMs near 2500 @ 75 MPH. does this sound crazy?? I prefer to stay away from an overdrive because of the trouble I see with them. (I work on motorhomes) I want fuel mileage.
any & all feedback is appreciated.
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Man rule #77...if you own a 67 stepside with a caddy 472 you will never be in danger of loosing you man card Last edited by 68C15; 03-08-2005 at 07:51 AM. |
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03-08-2005, 09:47 AM
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Psycho-billy Member
Join Date: Jul 2001
Location: about 40 miles west of Cleveland, Ohio
Posts: 2,591
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They run for miles and miles as daily drivers in the original cars.....not really anything special to know.....they don't like rpms though. They were designed as a low rpm engine. You choice of gear should work fine.
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'72 C-10 350 w/Lunati Voodoo cam (207*/213*, .437/.454), Performer intake, 625 Road Demon Jr. and Hooker headers. Support your community, support yourself. Buy local, buy American  (or Canadian).
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03-08-2005, 11:33 PM
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,693
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I'd think that gear would net you less RPMs...I spin those rpms with a 3.07 gear
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03-09-2005, 01:13 AM
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Registered User
Join Date: Aug 2001
Location: rock island,il,usa
Posts: 5,382
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A bone stock Cad is all out of revs around 4800- 5000......yes they will rev higher, but trust me on the broken valve spring issues around 5400-5500 revs......been there & done that
 that old 425 Cad didnt run too d@mn bad in my longhorn, on a 28" tire, a 3.40 screw, & 2200-2300 stall. i really wanted the big inch Caddy.......price of that build was YIKES tho!  L
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