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Re: WTH: Parts ID Help
I finally got the casting #s off the blocks. The WA (blue) one is a 3970010, so that makes it a '69 350 @255hp. The TJZ has casting #3944636 and I can't find that on any list. Funny the chart shows the '73 TJZ @155hp. Both engines will be taken down and stored or sold if found to be buildable.
I noticed at the center top (slightly left looking from behind) of the back of the TJZ block is a boss. It's flat on top, round, and about 1.25-1.50" dia. Like what is there for the distributor but smaller and off the area forward of the bellhousing where the casting numbers are. I don't understand why that casting number doesn't show up anywhere.
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed"
GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project)
GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling)
Tim
"Don't call me a redneck. I'm a rough cut country gentleman"
R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~
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