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Not placebo. All those symptoms are right in line with the line being loose.

Woohoo! Love it when a fix is just tightening something up. The reason the other intake manifold is better isn’t just to stop the flow of exhaust from going into the intake- but to stop the heat. The exhaust goes against the intake everywhere and gets it stupid hot. Think about a charge air...

https://hummernetworkforums.com/threads/free-engines%E2%80%A6.250838/ So I spoke to Grayman. He met with a guy who owned a hummer business and is selling the lot of hummer parts apparently. None of the UROVA parts are there- all that was sold long ago. This would be more a reseller business...

You can sign up there- its a good forum for some stuff like this. It’s free and even uses same platform as this one. The moderator there was (is?) a member here also. There’s a thread right now about a guy in Northern Nv who is working out a deal for a TON of 6.5 parts. The guy who owned...

Ds4, well taken care of, 270,000 is about it. Db2 if well taken care of can be 325,000. But many things shorten that life. And that is them working but not working well. Efficiency drops after 150,000 for both.

The cdr will lessen the vacuum/ allow higher pressure in the crank case. It does nothing to help extract the pressure. It only limits the amount of air flow going through it at higher rpm.

200 is ok. At 210 watch it closely. 220 pull over and let it cool. Catch can= oil catch can = oil seperator = Different names, same thing & is what collects the oil vapors, allows them to condense back to a liquid and be drained back into the engine or discarded. some guys rather just put in...

On the manifold for $25 BUY IT! Install it, only drive off road because otherwise you might break a rule of the epa, hiway patrol, barney fife, etc in your area- even though doing it is one the the best ways to preserve the life of your engine. Is that clear between those lines or still hazy…...

Different gear: This is your ip fuel return hose circled in white. It is the only 1/4” diameter line in the fuel system. This is the one to replace with clear tubing, monitoring it at a glance whenever the hood is open and whenever the engine isn’t running perfectly happens in a couple seconds...

Coming out of the crank case on your oil fill spout is the hose that feeds to your CDR. Thats the tuna can thing with the hoses on it above your alternator. Bypassing it with a hose that lets crankcase pressure go directly to the air rather than recirculating into the engine. Ok the book...

Doesn’t matter. We all heard it not running right. Having the resources doesn’t mean he spends it all or that whoever takes care of his car collection knows anything at all about 6.2/6.5. Heck, the military thinks it’s perfectly fine to run a 6.5 at 240°f. I catch flak from many of the...

So… Is that oil leaking from inbetween upper and lower intake manifolds? First I am addressing that . Wish I saw this before you reinstalled everything. Suggestions for it taken apart is: Plug intake ports as good as possible then Clean it all. Get intake manifold gaskets with block off plates...

Worn heavily; improperly adjusted; in need of maintenance.

My instinct was transfer case. I know you said it’s newly rebuilt- but that sounds a lot like stretched chain.

Thats a clapped out 6.2.

Money spent on the 454 & truck could be things to pay off on fuel savings. What fuel system is on it? What compression does it have? What transmission & gearing?

It the budget is too high for a new 6.5 - there is gonna be funny then. Not funny haha, but funny sarcastically. I will sound like a jerk but am trying to save you wasted money and aggravation. The budget question is the smartest comment on here. You answered it and either can’t afford it or...

Wow- low miles! Post pics when ya can please. If there is anyway you could spend time with ak dd, take him up on it! A great guy with impressive knowledge.

Hink is his handle here. By adding the @ before typing a name send that person an alert they are being mentioned directly in a thread, so they get a link to click to make it easy. @Hink is a nice & helpful guy. Anytime someone needs a balancer install tool his has to get mentioned as a great...