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Old 02-20-2021, 05:36 AM   #1
Stensodog
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Question C3500 is having a change of heart!

My Crew Cab 6.5td has had a moment, early in the morning i set out to walk the dogs down by the river, without any notice the oil cooler fractured and spat out the majority of the oil. I was on a single track road at the time and rather than stop and block it, i carried on until there was a pullover spot; i got within 30 yards before the death shudder happened. Luckily i had a winch with me, and using strops and trees i managed to park up off the road.

Having been recovered home by two of my son's, i locked the truck and walked away.

I have now calmed down, i was mainly mad at myself for not stopping straight away and making some sort of get home fix.

So what to do, i didn't know what engine to go with, re-build the V8, stick in a gas engine, or go left field.

Well, i have decided to go as far left field as is possible; the truck will be re-born with a Mercedes OM606 (super) turbo diesel. The super comes from the fact that it will have a mechanical fuel pump, a bigger turbo, an anti-judder kit and 400bhp.

Any thoughts and views are welcome.
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Old 02-23-2021, 12:30 PM   #2
Tom
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Re: C3500 is having a change of heart!

I have no idea what engine that is, but so far I like the plan.
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Old 02-25-2021, 11:32 AM   #3
hatzie
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Re: C3500 is having a change of heart!

Is the 3.0L OM606 enough engine for that truck?
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1959 M35A2 LDT465-1D SOLD
1967 Dodge W200 B383, NP420/NP201 SOLD
1969 Dodge Polara 500 B383, A833 SOLD
1972 Ford F250 FE390, NP435/NP205 SOLD
1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
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Old 03-01-2021, 07:03 PM   #4
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Re: C3500 is having a change of heart!

Quote:
Originally Posted by hatzie View Post
Is the 3.0L OM606 enough engine for that truck?
All the new half ton diesels and suburbans are 3.0L 6 cylinder engines....
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-78 c10 short/step: 388cid, M20, 5/5 drop, lots more. Playtoy and first vehicle.
-98 c1500 x-cab: 5.7L, 17" rims, 5/6 drop, flowmaster, helper bags,NBS rear disk brakes.
-02 Suburban 4x4: leveled front
-CBR600F4i, CBR600RR, CBR1000RR, and standup skis
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Old 03-02-2021, 10:53 AM   #5
hatzie
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Re: C3500 is having a change of heart!

V6 engines last half as long as a V8 in a truck. If that.
When you add a turbocharger the lifespan is even lower.

I am guessing it will get a lot less rough use in the UK than here in the states.
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1959 M35A2 LDT465-1D SOLD
1967 Dodge W200 B383, NP420/NP201 SOLD
1969 Dodge Polara 500 B383, A833 SOLD
1972 Ford F250 FE390, NP435/NP205 SOLD
1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
2009 Impala SS LS4 V8


RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.

Last edited by hatzie; 03-02-2021 at 11:38 AM.
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Old 03-05-2021, 02:08 AM   #6
Stensodog
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Re: C3500 is having a change of heart!

Thank you for your comments.

The OM606 is a straight 6 with a reputation for longevity and has the ability to put out stupid amounts of power with only minor adaptions to the stock internals.

I am an old man (nearly), so I am only looking at a mild uplift from 174 bhp to somewhere between 250 - 350 bhp. The engine is currently in a W210 saloon, which is a relatively heavy car, but it also appeared in light and medium Mercedes trucks and European motor homes.

Given that the 6.5 td was only putting out 220 bhp even when turbo assisted, I donít envisage a lack of power and given that it is the C3500 I am not worried about low end torque. A company in the UK has a demonstrator Ford extended cab from the same era, in which they replaced the 7.3 diesel with an OM606 and that puts out a shed load of power, way more than I need - check it out at UKDP on the You Tube.

There is also a guy in the States who has fitted one to an extended cab Chevy and his write up is really well done with many pics I will try to post up a link for your entertainment.
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Old 03-05-2021, 11:47 AM   #7
hatzie
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Re: C3500 is having a change of heart!

There you go. Sounds like a good power plant to transplant into your truck.
Cutting your displacement from 6.5L to 3.0L will help on your road tax too.

Benz made some heavy pigs. I just googled the W210 and it's nearly 2 tons curb weight. A K3500 crew cab isn't going to weigh in at much more than 3,000 lbs curb.
__________________
1959 M35A2 LDT465-1D SOLD
1967 Dodge W200 B383, NP420/NP201 SOLD
1969 Dodge Polara 500 B383, A833 SOLD
1972 Ford F250 FE390, NP435/NP205 SOLD
1976 Chevy K20, 6.5L, NV4500/NP208 SOLD
1986 M1008 CUCV SOLD
2000 GMC C2500, TD6.5L, NV4500
2005 Chevy Silverado LS 2500HD 6.0L 4L80E/NP263
2009 Impala SS LS4 V8


RTFM... GM Parts Books, GM Schematics, GM service manuals, and GM training materials...Please include at least the year and model in your threads. It'll be easier to answer your questions.
And please let us know if and how your repairs were successful.
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Old Yesterday, 02:07 AM   #8
Stensodog
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Re: C3500 is having a change of heart!

Thanks hatzie, much appreciated.
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