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Old 05-12-2006, 04:48 PM
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Older crank in a newer 302 ford block

I am planning on installing a 92 roller cam 302 that I have in stock in my 37 chevy p/u and I was thinking about using a 289 timing chain cover and water pump since the bottom hose would be on the same side,that would include using the 289 balancer so the timing mark would be correct but since the 92 motor is balanced different then the older smallblocks a older crank will be needed. I need to know if the older crank will work with the newer block since it has a one piece rear main,the 92 302 needs to be rebuilt since it has over 200,000 miles and has a hole in one piston. Jeff

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Old 05-12-2006, 07:27 PM
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The cranks are not interchangable.. The later crank is a lightweight and the rear flange/seals are different
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Old 05-12-2006, 08:02 PM
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You can use a pre serpentine cover and 289 waterpump. Use the balancer with the engine, you should be able to get a pointer that will line up correctly.....even if you have to fab one.
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Old 05-12-2006, 09:06 PM
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I looks I will make a hose that will crossover like I did when I stuck a 302 in a falcon with a 289 radiator,I dont want to change the radiator in case I would ever find a running 401 or 425 buick nailhead. Jeff
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Old 05-14-2006, 01:24 PM
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Quote:
Originally Posted by junkyardjeff
I am planning on installing a 92 roller cam 302 that I have in stock in my 37 chevy p/u and I was thinking about using a 289 timing chain cover and water pump since the bottom hose would be on the same side,that would include using the 289 balancer so the timing mark would be correct but since the 92 motor is balanced different then the older smallblocks a older crank will be needed. I need to know if the older crank will work with the newer block since it has a one piece rear main,the 92 302 needs to be rebuilt since it has over 200,000 miles and has a hole in one piston. Jeff
Why change crankshafts? Just use the 5.0 short block, damper, and flywheel into your existing set up.

5.0 engines are balanced at 50 oz/in, not 28 like 289/302/W engines.

The 289 front dress and oil pan is boltable to the 5.0. FYI regular 289/302s came with water pump inlets on either side. 5.0s have either standard or reverse rotation water pumps with driver's side inlets.

We use exhaust pipe to make a water crossover from one side of the radiator to the water pump.
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