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'76 500cid caddy. Need price check asap

Discussion in 'The Garage' started by DEMON44, Apr 13, 2007.

  1. DEMON44

    DEMON44 Low-Tech Redneck

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    What should I pay for a good running 500cube caddy V8 with th400?

    I can go drive the car, its still installed. apparently runs great. car being parted out.
     
  2. smalltruckbigcid

    smalltruckbigcid 1/2 ton status

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    I have 7 of these. I haven't given more than $300.USD for any of them. Most I got for $125 each.... the car isn't the plus people think it is. Its just heavy scrap to haul away.
    George
     
  3. DEMON44

    DEMON44 Low-Tech Redneck

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    ok no, it's just the engine and transmission I'd be buying. He'll let me hear it and drive it if I wanted, and will pull it fir me if I want it.
    he wants $500 canadian for engine and tranny. I'm just trying to grab a feeler on what its actually worth.
     
  4. smalltruckbigcid

    smalltruckbigcid 1/2 ton status

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    Thats not bad. Grab it if you can. But get all the brackets and pulleys as a condition.
     
  5. Russell

    Russell LB7 Tahoe Status Premium Member GMOTM Winner

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    If that is a complete turn-key engine, that isn't a bad deal at all!
     
  6. boz42

    boz42 1/2 ton status GMOTM Winner

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    the 2 i have bought i got complete cars for $300 & $200. the 300 dollar car was a 75 eldo. i sold it for $300 after i pulled the engine. apperently those front wheel drive transmissions are desirable here localy. second one i bought for 200, it was a 70 coupe convetable. i pulled the heads, which were the good ones, & put the heads from the 75 in the trunk of the 70 & re-sold it for $200.
     
  7. mostwanted

    mostwanted 1/2 ton status

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    don't mean to hijack, but will a 500 bolt up to a standard chevy automatic tranny?
     
  8. boz42

    boz42 1/2 ton status GMOTM Winner

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    nope they have b.o.p. bolt pattern, most use an adapter or get a b.o.p. tranny & swap in 4wd output shaft. ho standard shifts w/out drilling crank for pilot bearing & buying very costy flywheel.
     
  9. blazin_blazer

    blazin_blazer 1/2 ton status

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    i think that eldo frontend would make for a good beginning for a rwd buggy!
     
  10. mostwanted

    mostwanted 1/2 ton status

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    <noob......what does b.o.p. mean?
     
  11. boz42

    boz42 1/2 ton status GMOTM Winner

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    b.o.p. = buick, olds, pontiac
     
  12. mostwanted

    mostwanted 1/2 ton status

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    My buddy tells me that all 400s have a 6-bolt tailfhaft that can be changed to adapt to a 4wd. Is this accurate? Or I can get a B.O.P to standard GM bellhousing adapter so I can mount a buick, olds, or, pontiac motor to a standard GM 400? I am feeling smarter by the minuite. I see the light at the end of the noob tunnel......wait...nope, just the backup lights of another noob.:haha:
     
  13. Ned Kelly

    Ned Kelly 1/2 ton status Premium Member

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    Yes, all TH400 can be converted. All TH400 internals can be swapped into any TH400 case. Keep in mind that 4x4 TH400 have a thicker tranny case to cope with the stress of 4x4ing. Go look under a K30 1ton 4x4 and check how the factory braces the th400 to the engine mounts and NP205 transfer case. There is a brace that runs from the engine mounts to the bottom of the TH400 inspection plate cover. Also, most trucks have a brace that runs to the transfer case as well. These braces are important. I have seen people swap 454's onto non-braced TH400 in 4x4 and in time they crack the TH400 case.

    Get a 34 element sprag clutch to replace the OEM 16 element sprag (or is it 17, can't recall).

    If you do get the 500, consider getting an mild modern cam for it. OEM Cad cams were terrible due to the emission criteria they had to try and cope with. Get a MTS 5 or MTS 10 cam from Mountain Torque Specialties. It will really wake up the Cad500 and you'll enjoy uber torque.
    http://www.mtscadparts.com/MTSHome.htm
     
  14. DEMON44

    DEMON44 Low-Tech Redneck

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    easiest and most obvious way to tell a thick case from a thin case it the dust cover itself.


    Thick case cover is cast aluminum with 6 - 3/8s bolts

    thin case is stamped steel with 8 or so - 5/16s bolts
     
  15. Ned Kelly

    Ned Kelly 1/2 ton status Premium Member

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    And the 4x4 braced case has two large bolts (22mm I think) on the bottom of the inspection cover. The two braces from the engine mounts (one on each mount) attach to the the bottom of the cover via these tow large bolts.

    Demon, the price seems not too bad for a good running engine. Did you get it?
     
  16. DEMON44

    DEMON44 Low-Tech Redneck

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    haven't gone to see it yet. was busy today working on my 20" staz double beadlocks.

    car has rear drums........no disks. I tryed to nab the calipers too. but no go.
     

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