Need help with engine numbers - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Jimbotronics · 08-11-2004, 12:59 PM

What's going on everyone? I know that the engine in my 71 has been changed out to a newer engine but I don't know how new - I've looked through the site about engine numbers and where they should be located but the only ones I can come up with is 435 on the front of the block and 638 on the back - does this tell you guys anything? I don't know much about engines, but I know that it has an electronic distributor (cap and rotor) instead of point and condensor.

08-11-2004, 12:59 PM	#1
Jimbotronics YA YA Join Date: Aug 2004 Location: Rockledge, Fl Posts: 1,273	Need help with engine numbers What's going on everyone? I know that the engine in my 71 has been changed out to a newer engine but I don't know how new - I've looked through the site about engine numbers and where they should be located but the only ones I can come up with is 435 on the front of the block and 638 on the back - does this tell you guys anything? I don't know much about engines, but I know that it has an electronic distributor (cap and rotor) instead of point and condensor.

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