Block casting number 3932386 question - The 1947 - Present Chevrolet & GMC Truck Message Board Network

ChevLoRay · 06-27-2011, 05:01 PM

I got the casting number from my block, you know...the number that's behind the drivers' side head? Then, I went to the nastyz28 site and located the numbers. Ready? 3932386. The list showed 3 different applications, none of which were for a truck, necessarily. The first listed app is a '69 Z28, 302/290 horsepower 4-bolt mains. The engine ID doesn't end in anything that says DZ. The next app is a 69 327 210horse 2-bolt mains. Then, it's a 69 350/300HP 4-bolt mains LT1.

The engine ID (last letters) indicate my engine to be a 255horse, 350CID, 4-bbl engine with a TH400 in a truck. That agrees with my SPID sheet.

I reckon the same block casting number can be used in different apps, but you'd think that my casting number would have also been shown to be in trucks.

Reckon I oughta let the website owner know what I have?

06-27-2011, 05:01 PM	#1
ChevLoRay Old Skool Club Join Date: Jun 2001 Location: Benton, AR "The Heart of Arkansas" Posts: 10,880	Block casting number 3932386 question I got the casting number from my block, you know...the number that's behind the drivers' side head? Then, I went to the nastyz28 site and located the numbers. Ready? 3932386. The list showed 3 different applications, none of which were for a truck, necessarily. The first listed app is a '69 Z28, 302/290 horsepower 4-bolt mains. The engine ID doesn't end in anything that says DZ. The next app is a 69 327 210horse 2-bolt mains. Then, it's a 69 350/300HP 4-bolt mains LT1. The engine ID (last letters) indicate my engine to be a 255horse, 350CID, 4-bbl engine with a TH400 in a truck. That agrees with my SPID sheet. I reckon the same block casting number can be used in different apps, but you'd think that my casting number would have also been shown to be in trucks. Reckon I oughta let the website owner know what I have? __________________ Member Nr. 2770 '96 GMC Sportside; 4.3/SLT - Daily driven....constantly needs washed. '69 C-10 SWB; 350/TH400 - in limbo The older I get, the better I was. Last edited by ChevLoRay; 06-27-2011 at 05:04 PM.



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