Detroit Diesel 8.2T
In the first part of this video, some of the injectors is slightly out of
adjustment. In the second part, all injectors are close to correct adjusted
(adjusted with a calliper and not the special Detroit Diesel tool) and Exhaust manifolds is also mounted.
V12 Detriot Diesel 525HP
Setting the engine up and breaking it in.Remember this engine is just being
started after a rebuild so that's why it's smoking from the assembly lube
and the rack will be set-up to stop the hunting etc etc. Then the oil is
changed and the engine painted. These engine's go into Euclid mining rock
trucks,and they were in many other equipment/vehicles.The engine has
rebuild heads,turbo's, blower, water
pump,all internal parts and the air compressor All done in the great north
Marine Diesel Superchargers.mpg
The 6.5 GM engine supercharged, note 18:1 Compression ratio, so dont think
you can just slap one on and away you go. 300HP seems to be a safe level
which puts it in the realms of the duramax. Here in Australia Duramax
trucks are still expensive, but us off roaders are using the 6.5 in
Cruisers and Patrols even in some fords.
1977 Military M551 Detroit Diesel 6V53T - First Run - Leid Diesel - 11-26-2010
This is a video of my 1977 General Motors/Detroit Diesel 6V53T engine
It operates on a 2 - Cycle engine design dating back to 1938
The engine is 318 cubic Inches (53 cubic inches per cylinder)
~335 horsepower -
with N70 Injectors and the TV8104 turbo
This engine was pulled from an M551 Sheridan Tank.
This was my first big engine rebuild.
Alot of time, energy and money went into this project. I am pretty happy
with the results. I made mistakes, I learned alot, and I made a lot of new
It is a project most people my age do not take on. That being said, I think
I did a pretty good job so far.
History on this engine:
I completely disassembled this engine after finding out that the engine had
stripped crankcase gears. It took three thorough cleanings to remove all of
the dirt/grime/loose metal and rust from the inside of the engine. Once
clean I attempted to rebuild the engine myself. I was nearly finished when
disaster struck. Two of the oil suppression rings had snapped off the 2R
piston. This little problem resulted in the fourth full engine cleaning.
This time, I wrapped every piece in plastic wrap, to prevent any
dirt/dust/debris from interfering with the engine rebuild.
I brought every piece up to the nearest Detroit Diesel 2 - cycle
specialist. (Leid Diesel in Newville, Pennsylvania) When the owner,
Timothy, said that the liners had about 200,000 miles of wear on them, I
decided to have all of the pistons/liner/rings replaced. For a tank engine
to have that kind of wear, the previous owners clearly ran it too hard and
for far too long.
It was funny looking at their expressions' when I dropped off individually
sealed bags of pieces. That was a first for them, but every engine
re-builder knows that dirt is the enemy, so every precaution needs to be
taken to ensure clean serviceable parts.
During initial dis-assembly, I noticed that some parts just weren't adding
The engine had turbo pistons and
naturally aspirated liners, mismatching camshafts, naturally aspirated
heads with four different types of valves, a natural blower on a turbo block, and so forth.
I made sure to fix all of the irregularities, and in the process I
converted the military engine into a truck engine. For the most part, the
engine is a silver engine, with silver heads/cams, and it will have a
silver turbo coming shortly.
I swapped out the mismatching 7 and V7 cams for matching low lift-low
velocity camshafts (V7L)
Both cylinder heads were replaced with rebuilt silver 6V53 heads (One cast
in 2001, the other in 2002)
The original 16 plate oil coolers were replaced with two 18 plate coolers
All of the liners/rings were replaced. One piston was replaced, and the
other 5 were polished up.
The crankcase gears were replaced, as were all of the bearings and gaskets.
Finally, the military aluminum SAE#3 flywheel housing was swapped out for a
cast iron SAE#2 flywheel housing, so I can mount a big manual transmission
Every piece of this engine was cleaned and inspected by myself, and later
inspected by the folks at Leid Diesel
This project took a year to get to this point. This project would not have
been possible without continued support from my family, Grigg Mullen, Jim
Clarke, Andrew Leamer, Daniel Renovetz, Jason Hughes, Anthony Sgroi, and
the folks at Leid Diesel Service (Timothy, Harold, Phillip, Ervin, Jeremy,
Stay tuned for updated videos,
Thanks for watching,
You can see the entirety of the rebuild on 4BTSWAPS:
Awesome V12 Monster diesel engine Awake and Alive startup
Awesome V12 Monster diesel engine Awake and Alive startup
The first V-type engine (a 2-cylinder vee twin) was built in 1889 by
Daimler, to a design by Wilhelm Maybach. By 1903 V8 engines were being
produced for motor boat racing by the Société Antoinette to designs by
Léon Levavasseur, building on experience gained with in-line four-cylinder
engines. In 1904, the Putney Motor Works completed a new V12 marine racing
engine -- the first V12 engine produced for any purpose. Known as the
'Craig-Dörwald' engine after Putney's founding partners, the engine
mounted pairs of L-head cylinders at a 90 degree included angle on an
aluminium crankcase, using the same cylinder pairs that powered the
company's standard 2-cylinder car. A single camshaft mounted in the central
vee operated the valves directly. As in many marine engines, the camshaft
could be slid longitudinally to engage a second set of cams, giving valve
timing that reversed the engine's rotation to achieve astern propulsion.
"Starting is by pumping a charge into each cylinder and switching on the
trembler coils. A sliding camshaft gave direct reversing. The camshaft has
fluted webs and main bearings in graduated thickness from the largest at
the flywheel end." Displacing 1,119.9 cuin (18,352 cc) (bore and stroke
of 4.875" x 5" (123.8 x 127 mm)), the engine weighed 950 pounds (430 kg)
and developed 150 bhp (110 kW). Little is known of the engine's
achievements in the 40-foot hull for which it was intended, while a scheme
to use the engine to power heavy freight vehicles never came to
fruition. One V12 Dörwald marine engine was found still running in a
Hong Kong junk in the late-1960s.
Two more V12s appeared in the 1909-10 motor boat racing season. The Lamb
Boat & Engine Company of Clinton, Iowa built a 1,558.6 cuin (25,541 cc
(5.25" x 6" (133.4 x 152.4 mm)) engine for the company's 32-foot Lamb IV.
It weighed in at 2,114 pounds (959 kg). No weight is known for the massive
3,463.6 cuin (56,758 cc) (7" x 7.5" (177.8 x 190.5 mm)) F-head engine built
by the Orleans Motor Company. Output is quoted as "nearly 400 bhp (300
By 1914, when Panhard built two 2,356.2 cuin (38,611 cc) (5" x 10" (127 x
254 mm)) engines with four-valve cylinder heads the V12 was well
established in motor boat racing.
In automobiles, V12 engines have not been common due to their complexity
and cost. They are used almost exclusively in expensive sports and luxury
cars because of their power, smoother operation and distinctive sound.
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