70 Judge RAIV and V continuation

[Steve_Hoog]

Also got this from the person I bought a copy of the engineering book from Ebay, FYI haven't got it yet in the mail. He said that his motor is WY 648695 (he is going to get us the date code also), so combined with the article motor 689539 that leaves a 156 total count between the two if they are indeed consecutive. From what we been told in here, the production number may have only been on crate motors. Still hoping to hear from one other person that has 3 of them.

[Steve_Hoog]

The 648695 motor has A210 date code also. He also wanted me to mention it has the transfer lug, I can't tell from the pic if the 648539 motor has it but it must if cast in the same day.

So there may be at least 156 crate RAV's possibly all cast in the same day.

I just want one of them, that's not asking too much is it?

[Jeff H]

That's assuming they numbered them sequentially and didn't jump by 5 or 10. That's really interesting to find these blocks cast the same date though. Does anybody have any information on the Trans Am 303 motors and if they were dated similarly. There were obviously several complete assemblies sitting side by side in some of the pictures.

[Steve_Hoog]

Jeff

Yes I'm just assuming, it does seem like a good possibility. I too was intrigued by the casting date, I would be interested to know just how many blocks GM could cast in one day of a particular engine.

I have nothing on the 303 or 366 engines.

[tjs44]

I was told there was only 25 short deck 303 motors.My block is #14.REMEMBER there was lots of deveopmental RA V stuff,blocks,heads,cranks,intakes,dist, etc that were never done as assm. engines.

[Jeff H]

Tjs44, what is the casting date on your motor? It seems like Pontiac was more prepared to make the 303 available as production and for racers than the 400.

[tjs44]

cant get that for you right now,its in the machine shop having needle bearing cam bearings put in.When I got it,it was setup for drysump oiling.The oil pump hole was drilled and tapped and plugged.Tom

[Steve_Hoog]

One more just provided for the number crunching:

WY 689547 A210 481708

He also has more and some 428 RAV blocks he will try to get us the numbers on.

[sixtiesmuscle]

O.K., I asked Micky to check, and, here are the codes that are on the motor that came with my "Tin Indian" Judge. I am certain this motor was NOT installed at the factory, but, maybe the numbers will tell us what it IS.

9792968 K1 68 cast on back.

545687 EO-3777 #12 stamped on front.

I have my thoughts, but, I'm curious what other's info shows.

[Steve_Hoog]

Mike

My 428 is:

68 GP 428 YH 164333 Date code 1157 block 9792968

Which is the same block number.

My Uncle has a 428 I pulled out of a 69 Bonnie, it has:
YH 0403824

That was all he could get right now. He was on his way back to work and the motor is in the car.

Don't know it that helps, I'm not sure. Your "EO-3777 #12" is something I'm completely unfamiliar with.

Don't suppose it has the angled main caps? That would be a heck of a deal!!!