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I installed some ATT on customers truck, they are very happy with them. On mine, I'm running with an HX40W-II; not bad too. Hmmm, I should have consider that before spending the extra money elsewhere :facepalm:

Glad to see you again all ;) Yes, rebuilding saga: to make it short, I had a 6.5l Ted's take out, a military optimizer. Was running absolutely perfect. A customer felt in love with my engine: he offered me to buy it at very good price, to pay for all mechanic work, and even pay all stuff for...

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

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 °°)

No, it's a 660

Hi all, we're willing to swap a C3500 14 bolts full float rear end on a 1997 K1500 6.5TD which is equiped with a 14 bols semi-float rear end. Other than the 8 lugs instead of 6, is it just a plug & play swap, or does it involve mods and weldings? Also, we heard about 6 lugs full float rear...

We have the Chevy Colorado Z71 in New Caledonia (and the AMAROK too), which is in fact a rebadged Isuzu D-Max, with a 3.0l 4Cyl turbo diesel-engine, 200 BHP, and lots of electronics like any new truck...:rolleyes:

So do I Missy. Anyhow, I think it can't be weaker than a stock GM

OK, I understand that. Though, I though there is an advantage of getting more volume of oil moved, especially around valve lifters. It is said that 454, 350 engines love high volume (I know, I know, those are gassers :hihi: ) so I was guessing if it is the case for the 6.2 diesel. I didn't...

The data sheet coming with the 6.2l says "oil pressure at idle : 50 PSI" Should be OK for a non squirter block I think?

Yes Leroy. Now, each cold start is a bit difficult, but she starts. Not worse, I would even say, a bit better than a wekk ago. During the first 10 minutes, time for the engine to reach it's temperature, the MIL lights ON every now and then, as soon as I accelerate. It goes off as soon as I...

Thanks Leroy ;)

I found this ;) http://www.autozone.com/autozone/repairinfo/repairguide/repairGuideContent.jsp?pageId=0996b43f80c90ee2

According to the data sheet, the 6.2l has an average compression of 565 lbs per cyl (from 550 to 575 depending on which cylinder), and an oil pressure of 50 lbs at idle. Does it sound good to you for a 6.2l?

Copy that Les :thumbsup:

mm, so, I think it won't be a good idea to put a bead of black RTV in the groove: this should bound the seal and would not ease a future maintenance?

On a 6.5l, the rear main seal just slides over the rear of the crank, so it's an easy maintenance. Though, as for the 6.2l (casting 660) it seems tess easy to do, as this seal is a 2 pieces one. Is it more difficult, I mean, should I care about something special? As far as I understand, I...

Is there any risk with a HO oil pump to prematurely cause the rear mains seal to leak?

Mm, would like that, but I must choose one, the other goes in another truck...

GM 506 unfortunately. In fact, I will be given a long block, and I have the choice between those 2 GM 506 or 660 What about a 506 HO oil pump on the 6.2? Too much pressure so not good?