[Gmecm] Looking for specs - 97 to 99 Chevy diesel 2500HD pickup...

Mon Feb 13 00:15:13 UTC 2012

Thank you for the information!!!
Will look into that as time allows.
David

----- Original Message ----- 
From: "Aaron" <aaron at creativeoverdrive.com>
To: "'David Allen'" <davida1 at hiwaay.net>
Sent: Sunday, February 12, 2012 2:54 PM
Subject: RE: [Gmecm] Looking for specs - 97 to 99 Chevy diesel 2500HD 
pickup...

>I can look it up for you.
> What Spec are you looking for?
> I assume you mean turbo, I didn't find any maps or diameter on a quick
> search.
> Here are some part numbers and such to help your searching from behind the
> great fire wall.
>
> 6.5L GM Specs:
> Manufacturer:
> Detroit Diesel
>
> Production Years:
> 1992-2000. Continued use in military applications by AM General.
>
> Applications:
> Chevrolet/GMC: Tahoe, Yukon, Suburban, C/K pickups, 2500 & 3500 trucks. AM
> General: Hummer & HMMWV
>
> Configuration:
> V-8
>
> Block/Head Material:
> cast iron block, cast iron heads
>
> Displacement:
> 395 cubic inches, 6.5 L
>
> Compression:
> 18:1 - 21.3:1 depending on year & application
>
> Bore:
> 4.06 inches
>
> Stroke:
> 3.82 inches
>
> Injection:
> IDI (indirect injection)
>
> Aspiration:
> Turbocharged & naturally asprirated versions available.
>
> Max Engine Speed:
> 3,400 RPM
>
> Horsepower:
> Introductory: 180 HP @ 3,400 RPM
> Peak: 215 HP @ 3,200 RPM
>
> Torque:
> Introductory: 360 HP @ 1,700 RPM
> Peak: 440 lb-ft. @ 1,800 RPM
>
> Reputation:
> Outperformed by Dodge & Ford. Capable of respectable fuel economy. 
> Somewhat
> problematic depending on version of engine.
>
> Additional 6.5L Information:
>
> . Offered in naturally aspirated & turbocharged versions.
>
> . The 6.5L was replaced by the Duramax 6600 (6.6 L).
>
> . AM General now manufacturers and uses the 6.5 L diesel in their military
> HMMWV (now called the 6500 Optimizer).
>
> . Common problems with the 6.5L included cracks in the main caps &
> crankshaft failures due to aging/fatigue of the harmonic balancer. Glow
> plugs are prone to failure (causes hard starting), overheating issues in 
> the
> 1988-1998 style trucks (can lead to cracked cylinder heads).
>
> 6.5L GM Engine Versions:
>
> . L49: Naturally aspirated.
>
> . L56: Turbocharged. Emissions controlled (EGR & catalytic converters). 
> Used
> in all light duty 1/2 & 3/4 ton trucks.
>
> . L57: Naturally Aspirated. HO or heavy duty.
>
> . L65: Turbocharged. Used in all heavy duty 3/4 & 1 ton trucks.
>
> . LQM: 175 HP
>
> . LQN: 190 HP
>
> . "Fuel Miser": 120 HP, 260 lb-ft. torque. Optional in P-trucks (delivery
> trucks).
>
> =---------------------
> http://www.thedieselpage.com/finale.htm
>
> The maximum boost pressure for all stock 6.5 diesels is about 7 psi, and 
> the
> stock 6.5 trucks run without an intercooler. The new pistons, intercooler
> and factory GM-8 turbo allowed us to safely run competitive levels of 
> boost
> pressure.
>
> -------------------------
> http://www.dieselplace.com/forum/showthread.php?s=19a365c063d5c5db9270a7431c
> 5a5337&t=435415
>
> It will depend on the load on the engine. For the most part, you'll see a
> max sustained of about 7-10 pounds. May hit 12 under high load.
> ----------------------
> http://www.hdiesel.com/product.asp?id=77
> Year Range Part Number
>
> 1991-1992 CK GM1 Rebuilt / Exchange Turbo  10183934 or 12515808
> 1993 CK GM3 Rebuilt / Exchange Turbo  10226226 or 12521577
> 1993-1994 CK GM4 Rebuilt / Exchange Turbo  10154652 or 12512988
> 1995-1998 CK GM5 Rebuilt / Exchange Turbo  12552738 or 12530336(use GM8)
> 1996-2000 Van GM6 Rebuilt / Exchange Turbo 10241690 or 12530339
> 1997-2000 CK GM8 Rebuilt / Exchange Turbo  12530339 or 12556124
> ------------------------
> http://www.turborepair.com/index.php?option=com_content&view=article&id=180&
> Itemid=142
>
> .1992 GM-1, production number 6T-522, GM PN 10183934, pottergate spring
> loaded wastegate
> .1993, GM-3, production number 6T-522, GM PN 10226226, Added bosses for
> straps on compressor housing
> .1994, GM-2, production number 6T-552, GM PN 10154686, Long exhaust elbow
> .1995, GM-4, production number 6T-550, GM PN 10154652, vaccuum wastegate
> .1996, GM-5, production number 6T-560, GM PN 12552738, die cast compressor
> housing, short turbine housing, new wastegate design
> .1997, GM-8, production number 6T-566, GM PN 12556124, vertical mount
> vaccuum wastegate
> .Hummer, GM-7, production number 6T-561, GM PN 12553949, military
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> -----Original Message-----
> From: gmecm-bounces at diy-efi.org [mailto:gmecm-bounces at diy-efi.org] On 
> Behalf
> Of David Allen
> Sent: Saturday, February 11, 2012 9:13 PM
> To: JY-Turbo List; GM-ECM
> Subject: [Gmecm] Looking for specs - 97 to 99 Chevy diesel 2500HD 
> pickup...
>
> Title says it all. A friend has found a turbo from a 97 to 99 Chevy diesel
> 2500HD pickup. I am afraid it will be way too large for the intended 
> project
> but would appreciate if someone had specs on it.  I'm overseas with very
> limited Internet access to research things like this.
>
> The proect is a 3.8L V6, aiming for 250-300 engine HP. Should require 
> about
> 10 to 12 PSI to do this.
>
> Thanks for any input!
> David
>
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