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After all is said and done... It is indeed possible to turbocharge a 6.2 BUT, I would need to pull the engine, construct a custom low profile intake manifold, and find oil to supply the unit, and rebuild the fuel pump for higher output, and make custom brackets for the exhaust to turbo...

Agreed DOGHEAD, That is more for the gasoline pick-up trucks such a modification was originally designed for. That, and the turbo-lag on a Diesel would be murder. Best, T

RWH, you're absolutely right. BLK HMMWV, I should never have responded to your post , not because you're correct, but because it would only serve to be inflammatory to someone I like and respect. My apologies to the forum. I am considering removing my reply, not because I am wrong, but...

Edit - after thinking about this post AND MY RESPONSE for a while, I have decided to remove MY RESPONSE. It was not that I was in the wrong, but sometimes you can be in the right but still create an inflammatory environment. This post also sent things off course with what should have been a...

Now I have a clearer picture of the issues. The Military "van" heads have bolts placed at 60 degrees to allow intake manifold placement as one unit, allowing it to slide on and off. The design allows the turbo to get closer to the deck by creating a right and left channel rather than a center...

As far as the "WHAT???"... I was tired and typing at midnight... I meant I can dump into valve cover or oil pan. OOOOOOPS!!! All this being said, RWH is usually on point, so why is he saying the exhaust heads won't mate up? I gotta worry if RWH does not agree and give his blessing, 'cause...

Thanks. I'll custom fab a set of exhaust manifolds this summer. I will also go to that forum. Appreciate the info. T

SO... If I was to have a turbo system from a 6.5L... Does that mean I can attach turbo exhaust manifolds to a 6.2 liter and create a custom attachment from the turbo output to the stock 6.2 liter intake to complete a turbo install? I would thieve the oil from somewhere and then just dump into...

It does not make sense to me. Other individuals on the BB state bolts and attachments for the exhaust manifolds are different. I need to be sure attachment points are the same or how they are different. (internal workings of the heads are not important to me at this point of time, but I thank...

Please post images&descriptions of differences b/t 6.2&6.5 Turbo heads&exhaust manifo Please post images&descriptions of differences b/t 6.2&6.5 Turbo heads&exhaust manifolds. I need to understand any differences between the head's screw positions, and differences between the angles that the...

I have been carefully considering what needs to be done. I have already purchased the entire turbo charging unit from a 6.5 L. I'm going to have to get the exhaust manifold gaskets for a 6.2 L and use them as templates to make a custom exhaust manifold that will lead up to and meet with a 6.5...

Funny seeing the exhaust exiting through the former intake area. You gotta wonder what the HMMWV smells like when sitting in traffic. Thanks for that post. T

Thanks Dilvoy: I'll PM you. To everyone else: I never meant for this to become a contentious issue. I feel bad about that. Moderators - Sorry that this became contentious. Feel free to close the thread. To all who answered, thanks. To those offended... I respect your experience with these...

I am not looking for a top end greater than 6o miles per hour. Speed limit out here is 50. I need to be able to accelerate onto the road. A 7000 pound vehicle should have at least 250- 300 Diesel horsepower. I am not interested in any contemporary 4 speed automatic transmissions. If I was...

Everyone knows that these are terrific trucks. I am not trying to "Bubba it up" nor am I trying to make a "Monster truck." Most of the you have been very supportive, but I'm kind of surprised by some of the reactions. Vehicles like these deserve a power plant with more than 190...

I was thinking about that but my mechanic friend seems to dislike the idea because he feels diesel engine head swaps are very time intensive. Has many people here swapped 6.2 heads to 6.5 L heads? Where can I read about it?

Thank you for your input. I am not interested in placing a 6.5 turbo in my vehicle because I prefer the 6.2 L engines. I also would prefer to stay away from 4 speed transmissions because the electronics can be a real pain. If I were to switch to a 4 speed tranny I would consider using a 700...

Either I will have to find a port that I can access or I will need some type of pump. Mechanical pumping assemblies are available, and so are electric assemblies. Most engines have ports that are closed off and can be opened. Other engines have areas that can be drilled and tapped into the...

So, this is my plan: I will need to make custom intake and exhaust manifolds based on the 6. 5 Turbo center mounted HMMWV design, but fitted to the 6.2 to allow for the differences between the heads. I will take measurements. I will have to find someone who does CAD/CAM in the Brooklyn, New...

please explain