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- - 348/409 differences (https://67-72chevytrucks.com/vboard/showthread.php?t=773175)

cff	10-12-2018 03:48 PM

348/409 differences

I'm looking at buying a C80 that supposedly has a 409 in it. How can I tell the difference between a 348 truck engine and a 409 truck engine. Is the dip stick position different on the truck engines like on the car engines. Thanks for any help.

C10 - C90 Bill

10-12-2018 11:36 PM

Re: 348/409 differences

Checking the Casting Numbers, Date Codes and Engine Suffix Code will also help to tell what you have there.

Biscayne Stocker

10-17-2018 11:20 PM

Re: 348/409 differences

348 and 409 truck oil pan are exactly the same. Dipstick on the passenger side. Check the #s like Bill said

cff	10-23-2018 03:56 PM

Re: 348/409 differences

I seen somewhere's where someone said there's an X on the front of the block on 409's by the water pump on the driver's side. Does anyone know if this is true?

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