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Rebuild myself or buy rebuilt, in Colorado Springs?

Discussion in '1973-1991 K5 Blazer | Truck | Suburban' started by seslick77, Apr 9, 2002.

  1. seslick77

    seslick77 1/2 ton status

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    Need help deciding on what to do for a motor.....Have an 87 350 in definate need of a rebuild. Am wondering if I should rebuild this thing myself or buy a rebuild from a shop here in town. (shop is Aces Auto Engines Supply) This shop has an ad in the Thrifty Nickel for a rebuilt 350 4B for $605 long block, and $382 short blocks with a 1 year warranty. A rough estimate to rebuild mine will be about the same if not more depending on amount of machine work required and reuseable parts. I'm kinda leaning towards buying and tearing it down to check clearances etc. Only problem would be quality of parts they used in it. What do you guys think I should do? On a really tight budget here so I haven't even considered a new motor due to high costs.

    By the way I have the 87 block torn down to bare block, crank looks like it needs turned, ton of black crusty stuff on the piston tops, cam looks good, valves look pretty crusty, and cyl. walls look pretty good. Oh ya, rod and main bearings look like they got really HOT!! They are very rough to the touch and look like peeling paint on a couple of them.

    Give me your ideas on what you guys would do in this sitchiation!! Thanx, Sam
     
  2. dyeager535

    dyeager535 1 ton status Premium Member

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    Just based on others experiences, I don't think I'd consider buying a "rebuilt" motor unless A)It has a decent warranty (at least one year) B)YOU get to choose the cam and such that is put in. I'd probably even demand that the oil pan, heads, and intake be left off, so that you be SURE they used new parts.

    Its way to easy and way too common to have shops burn you, whether they intend to (used cams, etc) or unintentionally. (forgot to tighten bolts, etc) With no warranty, it would be no different than you assembling it, except you know that the parts are what you wanted and paid for.

    Another thing to watch out is the one piece/two piece rear main issue. Yours is one piece, theirs are more than likely two piece. IMO the one piece is much better (if you can get it to seal /forums/images/icons/smile.gif and you won't end up buying a new flex plate.
     
  3. Parf

    Parf Registered Member

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    I would go to Checker's and price a shortblock. Take that to Advanced Auto Parts, and get them to beat it, and then take that to a different Checkers and get them to beat that price. Then buy the small block, get a pair of new Vortec heads from Jegs, or GM, and get a vortec intake from edelbrock for your carb or tpi application. Slap it together, and your off!
     
  4. m j

    m j 1/2 ton status

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    hard to beat a target master from chev for price
    but loooow compression
     
  5. Swanson52

    Swanson52 1/2 ton status

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    I once purchased a 'rebuilt' motor that, upon inspection, presented with cylinders of different bores. 2 were .030 over, 4 were .040 over, and 2 were standard. All this along with heads that did not have hardened seats. But that is just my personal crappy experience.
     
  6. seslick77

    seslick77 1/2 ton status

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    Hey thanx for the input fellas!! Did some checkin on this particular shop and all I here is "stay the hell away from them!!" Everybody who I talked to had bad expierinces with them with parts and machine work.

    How much is a target master block and who sells them? I know GM but who would have best price? Local Chev dealer?

    Thanx, SAM
     
  7. dyeager535

    dyeager535 1 ton status Premium Member

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    Try a used cam in a 454 that went flat in 2000 miles. Of course, no question about replacement when you come back with a plainly marked GM cam, that was supposed to be a brand new crane. This from the same shop that I later learned used just built customers motors, in their 1/4 mile car. What a way to "break it in" eh?
     
  8. 84_Chevy_K10

    84_Chevy_K10 Banned

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    GM Dealer, 250 HP, $1300, 3yr/50,000 mile warrenty.

    Custom built will make more power and can be anywhere from $1k up.
     

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