599; 141; 506 : same crankshaft ?

[matuva]

That's what I and my mechanic are wondering.

We are rebuilding a 506 in which we found a broken crankshaft.

We found the oil squirters so it's a 506, even though ther's no clear casting in the valley.


The 506 block being one with oil squirters, the 141 and 599 not, so we wonder if we can use the 141 crankshaft we have in the rebuild of the 506 block.

We think yes, but need to get sure. If there are any differences what are they? Main bearings?


Also, can someone decode these castings ?

:

Thanks

 

[NVW]

AFAIK Al, the only different crank is somewhere in the 929? It went from a 2 piece seal to a one piece seal

 

[NVW]

I'm not 100% sure but I think the casting date is Dec 21 of 96 and it is a 506 block

 

[THEFERMANATOR]

AFAIK Al, the only different crank is somewhere in the 929? It went from a 2 piece seal to a one piece seal

929 is a 95 casting. AFAIK, all 6.5's use teh same crank, the 6.2's on the other hand were available with a 1 or 2 piece rear main seal(Somewhere in the late 80's GM went to all 1 piece rear main seals to help stop oil leaks).

 

[NVW]

OK, thanks Ferm. What were the 6.2 casting numbers? My 95 has a 141.

 

[THEFERMANATOR]

The last 6.2's were 599's, and the early ones were 660 i think, but I'm not real up to date on any 6.2 stuff.

 

[NVW]

Sounds right, I forget what's what.

 

[bison]

929 is a 95 casting. AFAIK, all 6.5's use teh same crank, the 6.2's on the other hand were available with a 1 or 2 piece rear main seal(Somewhere in the late 80's GM went to all 1 piece rear main seals to help stop oil leaks).[/QUOTE]i can't say they were not that successfull

 

[matuva]

I'm not 100% sure but I think the casting date is Dec 21 of 96 and it is a 506 block

Thanks for the decoding Leo , thanks all for clarifying about the cranksahfts :thumbsup:

We will go further in the rebuild and the truck should be back on the road before the end of next week-end

 

[chevyCowboy]

Im looking at a truck that is an 89 1500 with a 6.2 so that should be a 599 correct?

Sent from my SM-G930V using Tapatalk

 

[matuva]

No, it's a 660

 

[ak diesel driver]

Wow haven't heard from you in awhile! How's life treating you?

 

[chevyCowboy]

You talking to me or matuva

Sent from my SM-G930V using Tapatalk

 

[ak diesel driver]

Matuva

 

[matuva]

Hey AK. Life's a bitch sometimes... but as long as you're healthy
Yes, it's been while, a "long while" I've been away, but I still have a 6.5l, and I still remember you all °°)

 

[ak diesel driver]

Don't be a stranger

 

[Big T]

Hey AK. Life's a bitch sometimes... but as long as you're healthy
Yes, it's been while, a "long while" I've been away, but I still have a 6.5l, and I still remember you all °°)

The 6.5 must be running well such that it kept you away.

 

[NVW]

Welcome back Al.

 

[matuva]

Yes Big T, running like a charm, even though she is now a 6.2l in fact...
Thanks Leo

 

[Husker6.5]

Sounds like there's a story in that 6.2 repower. IIRC, when you were on here back in the day, you were involoved in a build on your 6.5.