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I’m pretty sure this is a dumb question but I’m going to ask anyways, is oil pressure at the drivers side plug (above the oil cooler lines) an accurate place to verify oil pressure? The reason I’m asking is all of a sudden my Autometer oil pressure gauge has been reading very low (0-10 psi)...

Todays update. Checked everything that was recommended and didn’t find any issues. As I pulled out of my driveway, it didn’t make any noise accelerating in first gear but once it shifted to 2nd it started knocking. I let off the throttle and it seemed to clear up within 2-3 seconds. Once I got...

I tried to take a video a few times but it was after the motor cooled down a little bit (sitting 30 mins after being at operating temp and then again after it had fully cooled) and I couldn’t get the issue to repeat itself. When I first posted even in neutral slowly raising the rpm it would...

What would be the cause of a knock that comes about at a higher rpm (~1500) but then goes away after a few seconds at idle? I got my new 6.5 optimizer all hooked up and now am having this issue. I think it had a similar symptom when I first got it running at idle but after a timing change...

The motors aren’t cheap but hopefully worth it. And I will definitely let you know! In the next week or so I want to go through all of the parts from this project and see what I don’t want/need anymore so I’ll PM you with a list.

Well I think the block cracks were unrelated to the head gasket issue, that was most likely installer error. 😂 I tried to “fix” the cracks here beforehand, probably would’ve been okay but I just lost faith in the motor after the gasket issue...

As part of the change in motors I went with a DB2-4911 IP. I purchased this from Diesel Care. There seems to be a lot of bad reviews on them, however they have one of the best prices and I've seen on here that cucvrus recommended them so figured I'd take a chance. It took 2.5 months for the...

Well its been a long road with a few detours but I'm finally back up and running again. After getting the motor fully hooked up it ran for about 5 minutes before what I believe blowing a head gasket. I still need to pull that motor apart for full diagnosis and I'm not sure why it let go as...

Can’t say if it’s actually required or not but I usually put rtv on the threads of the flange bolts since it is an open hole to the inside of the hub where the oil is.

One additional thing I’ve come across that’s different is the oil pan. They visual seem very similar but the oil dipstick location is higher on the 6.5 than on the 6.2. Only realized it because the dipstick tube wasn’t lining up with the bolt on the exhaust manifold for securing it. I’m...

Turns out both the transmission bell housing bolts and the motor mount bracket to block bolts were indeed standard thread on my 6.2 and now metric on the 6.5 Optimizer. The new correct thread size is M10-1.5 for both bolts. The motor mount bolts previously were 1-1/8” long so I ordered 30mm...

According to the -34P TMs that’s part #2695149. A quick internet search will lead you to eBay and looks like there are a few NOS options available. Also while you have that off take a look at that front seal and the yoke. My yoke was grooved/corroded pretty bad where the seal rides and it was...

Yeah they're on my motor now. Which only ran for 5 minutes before having issues (unrelated to the valve covers) but for those 5 minutes this product worked well :LOL: So honestly I can't give a good review one way or another. As others have mentioned if you use RTV and follow the steps...

https://quadstartuning.com/products/6-5l-valve-cover-plate-stud-kit Costs more than the valve covers but helps with even pressure when tightening

Thanks for the heads up! I have a fluid damper I’ll be swapping over so I’ll be able to leave out the spacer and it should be good there. I ordered the side mount turbo version so I believe the 6.5 intake I have should bolt up. I also got a “dummy” crank position sensor to plug that hole on...

Maybe it is just the bellhousing bolts then. I recall that was a 3/8 bolt on my 6.2 as I changed some of them when I had the transmission out last year. But I’ll double check to confirm. That’s good to know the motor mounts are already metric so that’ll save some searching.

Well after the issues I encountered with my 6.2 block and failed rebuild I decided to purchase a new 6.5 Optimizer. I'd like to have everything I need on hand when it arrives so ideally it is a fairly quick swap and I don't have to wait for parts. I've heard that the few remaining bolts on the...

When I changed the mounts on my M1008 it actually took the same mounts as a SBC and not the 6.2 mounts. Doesn’t make much sense but that’s what matched the previous mounts. On the supposed 6.2 mounts, the holes didn’t line up with the frame bracket.

Have you looked at the sock filter on the sending unit in the tank? Those can get pretty dirty

I believe the m1008 has an open front diff while the other has a limited slip.