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    Gen 1 SBC Weights - Aluminum vs Iron

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    Gen 1 SBC Weights - Aluminum vs Iron

    Post  GM B-Body Forum on Mon Nov 03, 2014 9:46 pm

    I found this online somewhere, id give the credit but i dont remember where i found it, anyway:



    Gen-1 SBC Weights- Pounds(lbs)


    Block (Iron 4-bolt main)- 165
    Block (Aluminum 4-bolt main)- 95
    Crankshaft- 52
    Cylinder Head (Single Iron w/valves, springs, rockers, etc.)- 50
    Cylinder Head (Single Aluminum w/valves, springs, rockers, etc.)- 25
    Cylinder Head Bolts (All)- 3
    Connecting Rods (Stock 5.7 inches w/caps, studs, nuts)- 12
    Pistons Pins Rings (All)- 9
    Camshaft- 8
    Lifters (Solid All)- 4
    Pushrods (all)- 3
    Timing Set- 3
    Oil Pump- 4
    Distributor (Stock HEI w/cap, rotor, coil)- 6
    Intake Manifold (Stock 4-Barrell Aluminum)- 18
    Carburetor (Holley 4-Barrell) 12
    Carburetor (Holley 2-Barrell)- 7
    Fuel Pump (Stock Mechanical)- 2
    Headers- 10
    Flywheel (Iron 168 teeth)- 28
    Harmonic Damper- 8
    Water Pump (Iron Short)- 9
    Water Pump (Aluminum Short)- 5
    Valve Cover (1 Steel)- 2
    Timing Cover (Steel)- 1
    Oil Pan (Steel)- 7
    Alternator (Stock Delco 1977)- 10
    Starter (Stock)- 18
    Starter (Tilton)- 9
    Pulleys (Steel)- 6
    Brackets (Steel)- 4


    SBC Complete, Iron block, Aluminum Heads, 4-Barrell Holley,
    Lightest Parts, No Flywheel- 425

    Same as above with Aluminum Block- 355


    _________________
    1979 Caprice Sport Coupe, 400hp Vortec 350, Th350, GM 8.5 w/disc brakes, 3.90 gears Detroit Truetrac, 2.5" stainless duals w/ x-pipe, Dynomax race bullets.
    1984 Caprice Sedan, 305 motor, 700r4
    1978 Caprice Sedan, 305 motor, th350
    1993 L99 Caprice, 4.3 v8, 4l60 trans
    1972 Ford F-100, 302 windsor, c4 trans
    2001 BMW E46 330i, 3.0L
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    Re: Gen 1 SBC Weights - Aluminum vs Iron

    Post  GM B-Body Forum on Fri Aug 28, 2015 11:49 am

    And this list is of what ive weighed myself in lbs:

    EQ vortec heads 64cc 55lbs
    starter 19.4
    iron water pump long 16
    har bal 8
    alt 12
    quadrajet 10.5
    smog heads 76cc on gm goodwrench 350 45.5
    radiator brass copper 3 core 25
    battery 78group 32.5
    intake eddy old 2101 14.7
    intake eddy vortec rpm 17.9
    header flowtech full length 11.5
    crank pulley steel 3 pulley4.4
    old style stamped steel valve cover 1.7
    bill alum valve cover 1.7
    billet distributor 5.5
    old iron exh man 16.5




    _________________
    1979 Caprice Sport Coupe, 400hp Vortec 350, Th350, GM 8.5 w/disc brakes, 3.90 gears Detroit Truetrac, 2.5" stainless duals w/ x-pipe, Dynomax race bullets.
    1984 Caprice Sedan, 305 motor, 700r4
    1978 Caprice Sedan, 305 motor, th350
    1993 L99 Caprice, 4.3 v8, 4l60 trans
    1972 Ford F-100, 302 windsor, c4 trans
    2001 BMW E46 330i, 3.0L
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    oldsbuickhybrid
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    Re: Gen 1 SBC Weights - Aluminum vs Iron

    Post  oldsbuickhybrid on Sun Nov 01, 2015 10:29 pm

    Great post.  I found a link that I find pretty useful as well.  I do not know how accurate it is, but it has weights for many different engines, including Buick, Pontiac, and Oldsmobile.  

    http://www.carnut.com/specs/engdim.html


    Last edited by oldsbuickhybrid on Mon Nov 02, 2015 12:33 am; edited 1 time in total (Reason for editing : Had posted wrong link)


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