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Thread: 6.5L Silverado???

  1. #1
    Join Date
    Oct 2006
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    Shelton, WA
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    Default 6.5L Silverado???

    First off, let me say that I am new to this bulletin board but I have frequented TheDieselPage.com for a few years now and look forward reading about the diesel pull off every year.

    Back to my question. About six months ago I bought a 2000 Silverado 2500 4x4 extended cab, long bed with a five speed. While thumbing through the towing section of the owners manual I noticed that it lists a tow rating of 10,500lbs for 6.5L TD equipped Silverados. When I looked under the hood I found a belt routing diagram for gas V6s and V8s as well as for a diesel. This was the first time I had ever heard of a diesel in a 99-00 Silverado. I also just recently purchased a factory service manual for my truck and have not found any reference to a diesel engine. Is anybody aware of any 6.5s being installed in the 99-00 Silverado 2500s?

    Also, what exactly is a C6P chassis?
    Last edited by Blazin72; 10-29-2006 at 04:25.

  2. #2
    Join Date
    Apr 2001
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    Newberg Oregon
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    12,304

    Default

    The 6.5 I believe was an option up through 2000
    The D MAX was being pushed so you never heard anything more about the 6.5.
    The factory manual should be available through Helm
    The engines should all be listed in the book too.
    Could be you will have to use a 98-99 book.
    Talk to your GM shop and see what gives, they will know for sure.
    C6P does not ring any bells with me. Some other folks here may know

    Robyn
    (1) 1995 Suburban 2500 4x4
    (1) 1997 Astro
    (1) 2005 Suburban (Papa Smurf)
    THIS IS BOW TIE COUNTRY

  3. #3
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    CA
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    Arrow

    C6P designates the 8600 GVWR chassis 2500, or 2500HD, for that M/Y. A C5Z would be a 7200 GVWR chassis, which means 2500 Light Duty.

    The 6.5 TD was offered through M/Y 2000 in the "Classic Body", even though GM went to the newer body style for the rest of the truck line. As of M/Y 2001, the "Classic" was discontinued, along with the 6.5.
    1985 Blazer 6.2
    2001 GMC 2500HD D/A
    dmaxmaverick@thedieselpage.com

  4. #4
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    Jun 2002
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    Nederland- Schoonebeek
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    Arrow

    the 6.5 was not offered in the shortbed crew-cab

    the shortbed crew-cab was new for `99 i think.....
    Chevy Nova sedan 1977
    6.5 HD diesel/ 4L80e
    Gear drive timing set
    Ram air, E.P.S. stainless steel exhaust
    2.73 axle ratio/ 205-65-R15 tires
    new projeckt: Dodge W200 with Detroit 6V-92

  5. #5
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    Oct 2006
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    Shelton, WA
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    Default

    Quote Originally Posted by DmaxMaverick
    The 6.5 TD was offered through M/Y 2000 in the "Classic Body".
    I knew that it was still offered in the "Classic" pickups. It just seemed odd that I had found towing capacities and diagrams under the hood of a Silverado, which I had never thought to be offered with a diesel. I can remember playing on the Chevy web site back in '99-00 and only finding the 6.0 as the available engine. I've since found out that the 5.3 was available in some 2500s as well as the stuff I've found on the 6.5 though I've never seen one running around. I've scoured my service manual some more and still haven't found any reference to a 6.5 there either... I'd e-mail GM and ask them but I'll probably get some standard corporate form letter thanking me for expressing interest in their vehicles.

    2000 Silverado 2500 6.0, Extended Cab, Long Bed, 4x4, Five Speed, 3.73s
    1972 K5- 350/350, Weiand Supercharged, Rear locker (front locker on the way) 31s and 4.10s

  6. #6
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    Nov 2006
    Location
    Norway
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    My uncle has a 2001 (the carry-over year) K3500 CC with the 6.5TD, 140.000 kms in five years, not bad. So yeah, the 6.5 was offered throughout the whole GMT 400-style truck line-up. I mean, how could they not offer a diesel engine in their trucks at all time?

    (First post, woho! )

  7. #7
    Join Date
    Apr 2004
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    Palm Beach, Florida
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    Talking I suffer from sometimers but

    I seem to remember the 6.5td was carried over to 2001 in certain vans could be wrong here, but hey "I have sometimers too".
    99 GMC SUB, 2500, 4x4, 6.5 TD (F) #H32 enhanced blk, Phaser timing set, B&D IC, 3" ATS exh, K&N w/prefilter, 4WD NVG 246, 4L80E kevlar Transgo off road/tow mods/B&M supercooler, 14 FF MagTec w/locker 3.42:1, 9.25" IFS frt/diff 3.42:1 w/ARB locker, AutoMeter Boost & pre-turbo pyro meter, 12,000 lb hydro winch, Warn classic bumper w/brushguard & diesel scoop, Max E-torq Stage 3, hi pop inj, oil bypass sys, on board air comp for front ARB locker & tire inflation, DynaView driving/auto-cornering lts, DZ nerfs, A/T 285/75/16 SilentArmor 3750 lb rated on 3750 lb rated Alcoa, 3 IP drivers 2 r spares.

  8. #8
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    Oct 2006
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    Shelton, WA
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    [QUOTE=KR
    2000 Silverado 2500 6.0, Extended Cab, Long Bed, 4x4, Five Speed, 3.73s
    1972 K5- 350/350, Weiand Supercharged, Rear locker (front locker on the way) 31s and 4.10s

  9. #9
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    The 90s body style was code named GMT-400. The 1999-2006 body style is GMT-800, and the newest 2007 model-year GM trucks are GMT-900.

    Jim

  10. #10
    Join Date
    Dec 2004
    Posts
    37

    Default

    Theres a guy I sometimes see when snowmobiling in the parking lot.
    He drives a crew-cab shortbed with a 6.5.
    Although its a shortbed dually 3500 4x4

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