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Engine #?

Discussion in 'The Garage' started by no1uknow, Dec 15, 2004.

  1. no1uknow

    no1uknow 1/2 ton status

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    Does anyone know where I can verify my engine by using the serial # on the engine? Its a 454 I would like to know out of what and horsepower and torque #'s. Also I would like to know if it is a good candidate to spend some money on or just buy another one. This one is only like 10000 miles old. Basically stock just has a performer intake RV cam runs decent just want more juice.
     
  2. k20

    k20 3/4 ton status

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    THe block casting # will usually only tell you the # of main bolts on it. If you get that, the date code, and the head casting #, you can make an ok guess as to the factory hp rating. If the engine is original, what is it in? I can tell you if its from the late 70s or 80's, its pretty danged low. www.mortec.com to look up casting #'s
     
  3. no1uknow

    no1uknow 1/2 ton status

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    Well the dude I bought it from wasn't sure he said it may be from a 73-74 chevelle-malibu or something. the # I got from it is 10225cwd142449428. I just wanted to know cuz I know some blocks are better for rebuilding than others and if the heads are any good or can I junk yard some better ones.
     
  4. k20

    k20 3/4 ton status

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    what # is that? the typical block casting # is either 6, 7, or 8 digits on the block, drivers side, where it bolts to the bellhousing. The head #'s, pull a valve cover and scrape the oil sludge off and read it. The heads should also be 6, 7 or 8 digits. Should be no letters in that.

    O yeh as far as heads, the best heads for the bbc, are 049 or 781 large oval port heads. Install some larger valves (2.19/1.88) and they will outflow the rectangles that came on the ls6 454. Doubt you'll find any in a junkyard, but they were available from 73-84(049) 85(781). I found my 049 on ebay, paid about 100 bucks, had large valves, a little port work, and i still was 1300 less than new aluminum ones.
     
  5. no1uknow

    no1uknow 1/2 ton status

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    My friend is borrowing my truck right now so I don't know where he got that # said from the engine but I will have to ask him to be more specific after work.
     
  6. dyeager535

    dyeager535 1 ton status Premium Member

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    Don't screw with any numbers but the suffix code to start with.

    Looking for two or three letters in amongst some other numbers.

    Not sure on BBC where that stamping is, but on SBC's, its on a flat pad on the front passenger side, where the head meets the block.

    Suffix will tell you exactly what year, vehicle and HP rating.

    Other parts can be changed obviously, but that will give you a darn good idea what it is.
     
  7. no1uknow

    no1uknow 1/2 ton status

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    So........CWD is the suffix code? And where can I find out?
     
  8. dyeager535

    dyeager535 1 ton status Premium Member

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  9. big83chevy4x4

    big83chevy4x4 3/4 ton status

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    1974 CWD Monte Carlo 454 235 TH
    1973 CWD Chevrolet 454 250 TH CA
    1973 CWD Chevelle 454 250 TH CA
    1974 CWD Chevelle 454 235 TH CA
    1973 CWD Monte Carlo 454 245 TH CA

    looks 235-250 hp
     
  10. no1uknow

    no1uknow 1/2 ton status

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    Thanks :saweet: . .....would this be a good engine to fix up some? Or should I sell it and get one out of an actual truck? any Idea what kind of torque it has? I will be putting in some money into this truck after Christmas and don't want to make a mistake by putting some $$ in the wrong engine.
     
  11. SUBFAN

    SUBFAN 1/2 ton status

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    Nothing wrong with your motor as long as you are not planning a supercharger and a big hit of nitrous....

    Do check the heads, you do not want to invest any $$$$ in a set of peanut ports....
     

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