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Can anyone ID this Detroit Diesel? - Page 11

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Posted by Lloyd E. Sponenburgh on December 25, 2010, 1:09 pm

Funny, that...  When they trained us in Vallejo and when we worked on
them 'Nam,  they always _told_ us we were working on 651s AND 653s.  
There were a lot of older boats with them. (older being sort of relative,
since the "glass slippers" didn't last very long, but we salvaged and re-
used anything we could, down in the tippy-tip muddy end of IVCorps.

When I came back in-country and did some work on a few touring busses, I
found there were lots of 651s around.

I even have a personal anecdote where an adjustable wrench got left on
top of the blower on a 651-powered bus.  After a 200-mile round-trip to
Washington, D.C. and back to the barn, the wrench never fell off...

The 1271s were that smooth, too, if they were in half-way decent shape.


Posted by clare on December 25, 2010, 5:47 pm
On Sat, 25 Dec 2010 07:58:44 +0100, "Steve Lusardi"

that motor on some APCs and those are very rare.

in-line 53s is very true. Many of the parts are

53T motors is that they use a blow through blower, as

that use twisted rotors. When the turbo boost

pressure to shift an internal bar in the rotor against an

drilled holes in the rotors. DD stated that relieving

DDAs were very high tech motors and way ahead of

Back when I was growing up in Elmira Ontario there was a guy ran a
small excavating business - basically a back-hoe service - and had a
late 50's GMC dumptruck with a 6-71 and a hi-hoe with a 3-71. The 6-71
"talked" through 2 staight pipes about 5" diameter up the back of the
cab, and when Ibra opened that thing up going up the hill out of town
towing the 'hoe it was music to a motorheads ears!!!

Having the 3-71 and 6-71 meant he only needed to keep one set of
spares to service both units.

Same oil filter, same fuel filter, most of the gaskets, etc.

 He dug wells with that 'hoe and would often have it so far down in
the hole you couldn't see the boom, and he'd crab it back out on it's
own, using the bucket and hoe.

Posted by clare on December 22, 2010, 8:56 pm
 On Wed, 22 Dec 2010 13:38:22 -0600, Ignoramus29073

Shut off the fuel. It will have a "kill" linkage.

Posted by TwoGuns on December 22, 2010, 4:04 pm

When I was in the trucking business in the mid 1970's a "Detroit 350"
usually referred to a Supercharged and Turbocharged 8V71 in other
words a V configured, eight cylinder with 71 cubic inches for each
cylinder with an output of 350 horsepower. The same engine was used in
various GM trucks, heavy equipment and stationary engines. The same
engine minus the Turbocharger was a "318". The big dog in the V71
series was the 12V71 or 16V71 in trucks and equipment and  in
stationary uses. The V71 series were upgraded to V92's in the late
1970's. An 8V92 with a supercharger and Turbocharger put out 430
Horsepower in their trucks. They had a tremendous weight advantage
when used in a truck versus the Caterpillar and Cummins motors. As
much as 1500 pounds for the same horsepower. That alone made them very
popular with many fleet operators. Just looking at that picture it is
difficult to tell what engine it is. It doesn't look like an eight
cylinder to me so I doubt if it is a "350" but what the Hell I was a
Cat man.


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