340-318 crankshaft serial numbers?
Hello,
Anyone have the correct serial #s for 318 340 forged cranks? I am going to a swap meet this weekwnd and I need a crank! Thanks |
I'll assume you want the casting or forging numbers since cranks don't have serial numbers. Here are the small block numbers:
62-67 318 and 64-67 273 forged 2128278, 2128869, 2205700 68-69 273 cast 2658268, 2658393 67-73 318 cast 2658278, 2658393 74-86 318 cast 2658278, 2658393, 3462387 2658391 68-72 340 forged 2532457, 2843868 73 340 cast 3462387 71-86 360 cast 3418640, 3418641, 3418642 |
Thanks John, I thought some early 318s had a forged crank too?
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The '62-'67 forged 318 crank has the same forging number as the '64-'67 273, the difference is in the way the rear crank flange is machined.
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What is 2668393?
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FWIW , A friend just got a steel crank from Auto Zone for $185.00 + $85.00 core charge . It looked pretty decent , was ground and polished .010 and was dead on at .002 clearance. forging # showed it to be a 273 crank but you could gert lucky and get a 340 crank . If you don't like what you get you can get a full refund.
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