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The short answer is no. There is barely enough room for one turbo, let alone two and the single turbo is already well-capable of more than enough boost for the 6.5. With the 21:1 compression ratio of the 6.2/6.5 engines and the safe boost limit of 11-12 PSI, there would be no advantage of more...

Sorry for the late reply, but we (BMI) is/are working on a turbo retrofit kit for the 80's 6.2L diesel "Squarebody" Chevy/GMC trucks that will work with the factory A/C (compressor & airbox location). Since Banks discontinued the Sidewinder kits for those applications, there has been no easy...

You would just turn up the fuel rate adjustment screw inside the injection pump. Detailed instructions on this procedure are included with the kit. It is not difficult, especially with the correct tools, however it is a bit tedious and great care must be taken during the adjustment as to not...

Pick me, pick me ! Thanks to Trigger for the giveaway

The 6.5 (and 6.2) diesel is a 21:1 compression engine, and should not be running more than 11-12 pounds of boost to be a reliable and sustainable daily driver (the Commander turbo kit is calibrated for 10 to 11 pounds). This is generally considered to be a relatively low psi system, especially...

Count us in please

The kit is calibrated to produce 50-60 hp and 110-120 ft/lbs, which makes a very noticeable difference in power, and even more so in drive-ability, because the turbo moves the torque curve down about 600-800 rpm and puts peak power much more in the normal driving rpm range. The increased...

No worries,.. I have seen others do that before too, but it does not work with every configuration. If the subject engine has the taller injectors, the factory turbo manifold will not fit without hitting the injectors, thus making it unusable for that type set up. Also if the truck has...

We wish it would fit the CUCV, but due to the purpose designed exhaust manifold, location and configuration of turbo used for the HMMWV kit and downpipe location, the HMMWV Commander turbo kit is not compatible with the CUCV or square body Chevrolet models. Although the 6.2 engine is similar...

Great question! ... Its closer to a 25-30° angle,.. but good eye,.... here's the skinny on that.... the M998 can be equipped with two different types of overflow tanks that have two different configurations for where the main coolant outlet comes out of the tank body. One tank has the outlet on...

No, the pipe is about 1/4" from the bottom of the frame rail. It must be the camera angle that makes it look closer. than it actually is. That is just one of the possible routes for the exhaust pipes to go.

Attached is an additional picture showing the exhaust downpipe as it crosses under the frame-rail. This is just one way the exhaust can be configured, but as you can see from the picture the pipe is no lower than the upper portion of the lower A-arm on the wheel that it is only about 11.5"...

Install Done: Here are some pictures of the turbo kit as installed on nikojo's truck. He asked us to powdercoat the airbox and air intake plenum a medium gray, which we think looks great! These components can be painted or powdercoated as desired by the installer. This M998 had an engine from a...

Thanks Nikojo, .......... we got excited about the turbo and getting the chance to do an install on this truck... my apologies if we came across as anything but informational :naner:

Raw footage of a "Drag Race" style acceleration comparison of 2 M998's - One truck has the BMI Commander™ Turbo kit added to its naturally-aspirated 6.5, the other truck does not (it still has the un-modified naturally-aspirated 6.5). The results are obvious. While the HMMWV was never intended...

This upcoming week, we will begin another install of the BMI Commander™ Turbo kit on a customer's truck. Most of our turbo kits are sold and installed through our dealers, but sometimes there is not a dealer close to where a customer lives or the customer would rather have us install the kit in...

No problem Matt, The pictures can be hard to understand from the different angles. In addition, the routing and direction of the exhaust gasses (within the cross-over pipe) is changed from OEM, so that may be confusing you if you are just looking at the pipes without the theory behind what is...

Attached are 2 pictures showing the exhaust routing as suggested in the manual. The exhaust components for the pictured setup are included with the kit, but the exhaust routing is easily modified and is completely up to the installer as to what they want to do. Some people have run down along...

The GM7 actuator is spring controlled (used on Military HMMWV only), so no vacuum port. The GM6 is basically the same (rear/center mount) turbo as the GM7 but GM6 has a vacuum actuator for the waste-gate. GM6 was used on the civilian H1's and GM turbo vans that had a computer controlling fuel...

Inside the frame rails could potentially improve ground clearance by a couple inches on the exhaust downpipe