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Thread: 366 chevrolet big block?????

  1. #1
    Senior Member EXPERT BUILDER
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    366 chevrolet big block?????

    does anyone know if these motors are any good?
    and what they may be good for :?:

  2. #2
    Senior Member MASTER BUILDER
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    Pretty good old truck motor when you compare it to a 327. Later J.Smith 4621 racing :lol:

  3. #3
    Senior Member RACING JUNKIE THERATTLER's Avatar
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    I worked on one in an older motorhome a few years back and the firing order was different than most GM engines :shock: ..don't know why ..just so happened the owner had a manual on the engine that showed what it was..I guess they were trying something different..I don't know if they were all like that or not,,,my 2cents,,,,Paul
    ***IN GOD WE TRUST***GOD BLESS AMERICA******

  4. #4
    Senior Member SENIOR BUILDER chevynovaman's Avatar
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    366

    ALL TORQUE, GOOD FOR A BUS OR DUMP TRUCK..... I HAVE ALSO HEARD OF MANY GUYS STROKING THEM BECAUSE THEY HAVE A TALL DECK HEIGHT ALLOWING BIG STROKE...
    1968 CAMARO 302 4 SPD IN THE ROUGH
    1957 CHEVY FUEL INJECTED LS1 4L60E BEAUTY
    1962 CHEVY II NOVA 496 LETS RACE

  5. #5
    Senior Member EXPERT BUILDER
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    well i knew it was an old big truck motor, but could one be set up for a racing application

  6. #6
    Member JUNIOR BUILDER
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    I never heard of any speed parts made for that block.FISHMANJOE

  7. #7
    Senior Member MASTER BUILDER
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    the 366 is an odd duck i would spend my money else where
    HOLY [email protected]* WHATS BROKE NOW

  8. #8
    Senior Member SENIOR BUILDER chevynovaman's Avatar
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    366

    THEY MADE A 427 TALL DECK ALSO, JUST LIKE THE 366 BUT BIGGER BORE.. MOST OF ALL THE BIG BLOCK CHEVY PARTS WILL INTERCHANGE WITH THE 366, BUT THE RODS AND PISTONS ARE DIFFERENT AND THE TIMING CHAIN, THE PISTONS IN THESE MOTORS USE FOUR RINGS, SLOW REVVING ENGINE.. THE CRANK SHOULD BE STEEL AND WILL WORK IN A 396 OR 427 SHORT DECK BLOCK.. THE HEADS ON A 366 ARE VERY RESTRICTIVE, SMALL VALVE,, WHICH PRODUCES TORQUE... GOOD LUCK
    1968 CAMARO 302 4 SPD IN THE ROUGH
    1957 CHEVY FUEL INJECTED LS1 4L60E BEAUTY
    1962 CHEVY II NOVA 496 LETS RACE

  9. Racing Junk


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