Pulled Motor out of my 79 blazer, any info on the numbers, thanks
3914660(on back of motor)
3774682(on heads)
t0603nh
18l161828(on front pad)

Thanks for any help

69 plain jane(musty and rusty)
67 (the same)

The engine is a 1968 2-bolt 327ci.
The heads were used on 283 and 327 engines from like 1960 - 1967. They're 70cc heads.
I couldn't find the NH suffix.

Hope this helps....

18L161828 is the VIN from the original car which was a 1968 Impala built at the VanNuys Plant.

T0603HN is probably what you have stamped rather than NH. HN is a 1968 Passenger 327/250hp 4bbl with powerglide trans.

That 327 is a large journal,so you can make a 350 real easy.

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67ssclone 327 4spd 410

I thought it was a small journal block?

Technically, it's a medium journal block.

230 mains = small journal block - ex. 265, 283, and early 327
245 mains = medium journal block - ex. 302, late 327, and 350
265 mains = large journal block - ex. 400

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Rick
68/RS
Restoration in Progress...

Like "carhodge" mentioned - easy to make 350 (I just did it). Even more fun, that also works for a 400 stroker crank for a 383 that will torque your eyeballs out.

By any chance - which exhaust manifolds were on it. I may have interest if '68s.