Duramax Diesels Forum Truck of the Week
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Old 09-12-2018, 09:17 AM
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JoshH JoshH is offline
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Default Duramax Diesels Corvette Club

After the little side convo from Tom's birthday thread, I realized there are a few members on here with Corvettes. I thought it might be fun to have a thread where we can talk about upgrades, share pictures, talk about fun stuff we're doing with our cars, etc. So if you have a Corvette, post up your pics and share the details on your car. I'll go first.

My car is a 2012 C6 Grand Sport coupe with the 6 speed manual so it has the hand built LS3 with the dry sump like they used in the Z06 and ZR1. I'm slowly adding upgrades to make it a fun track day car. As of now it has the following mods isntalled or waiting to be installed:

Kooks 1-7/8" long tube headers and X pipe
Custom grind Texas Speed cam with dual valve springs and chromoly push rods
BTR trunnion upgrade
GReddy dual outlet full 3" exhaust
Halltech MF108 intake
Mighty Mouse catch can
AMT Motorsport motor mounts
AMT Motorsport monoball bushing upgrade
AMT Motorsport camber kit
Forgestar 18x12 F14 wheels with BFG Rival S 335/30R18 square for the track
Whiteline Performance adjustable front and rear sway bar end links
MGW flat stick short throw shifter
Extended ZR1 style front splitter
Extended ZR1 style side skirts



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Old 09-12-2018, 09:32 AM
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2008 C6 Z06
ERL 441 13:1 comp,Mamo heads, ported MSD, 2 inch American racing headers, nick Williams throttle body, Hall tech mf103. Daley dry sump
Lg coil overs, sway bars, drop spindles
Cheap rims 18x13 rear 18x11 front
Custom front splitter and rear spoiler.
Sparco seat, fire system

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Thanks to Mike L, SoCal Diesel, and Abel Chevorlet.

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Last edited by gmduramax; 09-12-2018 at 01:11 PM.
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Old 09-12-2018, 01:33 PM
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This is a good idea, Josh!

Mine is a 2000 C5 coupe. "Kleshay" is her name. Completely, totally stock. Was originally a Canadian car.
Fully loaded for a C5 (now that I found a clear roof) with the exception of the magnetic ride system.
Bought from a local dealer. Is in good overall condition, but needed some small, common C5 repairs. Those are all done now and the car is solid.

Plans? Just drive it and enjoy it with my wife for now.






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File Type: jpg 20180912_162217.jpg (77.0 KB, 275 views)
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"BBT" -- 2003 GMC CC/SB 4x4 12.14@111.15
"The Cruzer" -- 2014 Chevy Cruze Diesel -- the fun little DD
"Kleshay" -- 2000 C5 Corvette -- the toy
"The Bigger Boat" -- 2011 Workhorse P700 - 6.0LS/Allison - what I drive at work


Two wrongs dont make a right, but three rights do make a left.

Reality is a matter of perspective.

This forum isn't for the weak of heart.....or wallet.

"Lets build a race car they said. Itll be fun they said. I don't know who "they" are.........but they need a good punch in the face!" -- mufflerguy (yb)

Last edited by TheBac; 09-12-2018 at 01:40 PM.
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Old 09-13-2018, 12:25 AM
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Nice Rides !!

Don't actaully own one, but have been moonlighting under the hood on some lately.

Neat vette facts I've learned, from 2005 to 13 the E38 ECM used a different OS and CANbus msg ID set from all other GM LS powered vehicles. Best I can tell, this is related to that BCM unit being outsourced. When they switched to the E92 ECM in 14, the BCM design and CANbus protocol changed back to match all other late model GM vehicles again including the Duramax. So in theory, you could drop a LML into a 14-17 vette.

Second neat fact, your ECM data pid recording oil temp values are only "calculated" off ECT, IAT, RPM and possibly load. Even though there is a functional temp sensor in every LS oil pan. However, the HUD values may be correct as I found some diagrams showing it wired directly to the HUD. I'd love to hear how these values compare in real world. It's possible to get a true EOT value into the ECM with a pin swap and CAX file mod I did for some boat guys.

Anyone interested in playing with big power in late models, I recently finished helping design a TPS translator for stacking or swapping out the factory ECM. No more 0-5v TPS signals on LS platform, they switched to a fully digital signal protocol in 14. So we built a little digital to analog converter that lets ya connect NOS controllers and such to factory harness.

That's everything I've learned about the Corvettes so far this year...
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Old 09-13-2018, 04:09 AM
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Nice cars gentlemen!
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ADII 165
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Best time to date: 12.08 @ 112.58 1.76 60ft
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Old 09-13-2018, 04:54 AM
036.6turbo 036.6turbo is online now
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Quote:
Originally Posted by kidturbo View Post
Nice Rides !!

Don't actaully own one, but have been moonlighting under the hood on some lately.

Neat vette facts I've learned, from 2005 to 13 the E38 ECM used a different OS and CANbus msg ID set from all other GM LS powered vehicles. Best I can tell, this is related to that BCM unit being outsourced. When they switched to the E92 ECM in 14, the BCM design and CANbus protocol changed back to match all other late model GM vehicles again including the Duramax. So in theory, you could drop a LML into a 14-17 vette.

Second neat fact, your ECM data pid recording oil temp values are only "calculated" off ECT, IAT, RPM and possibly load. Even though there is a functional temp sensor in every LS oil pan. However, the HUD values may be correct as I found some diagrams showing it wired directly to the HUD. I'd love to hear how these values compare in real world. It's possible to get a true EOT value into the ECM with a pin swap and CAX file mod I did for some boat guys.

Anyone interested in playing with big power in late models, I recently finished helping design a TPS translator for stacking or swapping out the factory ECM. No more 0-5v TPS signals on LS platform, they switched to a fully digital signal protocol in 14. So we built a little digital to analog converter that lets ya connect NOS controllers and such to factory harness.

That's everything I've learned about the Corvettes so far this year...
Umm, that's pretty damn cool!
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Old 09-13-2018, 06:34 AM
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Tom, so I have a reference for how well a C5 pulls from a dig and from a roll, how does it compare to a tune-only built trans duramax?

In general, how quick & fast are stock C5's?

My neighbor has a nice "arrival blue" (I think they call it a different name for the Vette but I believe its actually the same color) C5 he DAILY DRIVES. He's had it for at least 10 years. I've thought about asking him if/when he's ready to get rid of it, to let me have right for first refusal.
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SOLD02 Chevy 2500HD D/A EC SB LS
SCIII & X-Case brace by MA, Team Salad tuning & Trippin's DSP5, 4" Diamond Eye exhaust, Fumoto Valve, partially debadged, Rhino Bed Liner, SuperDiesel Intake Manifold and Ported Turbo Inlet



1983 GMC K30 CC SHORT BED
Awaiting Dmax/Allison Chassis Swap



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Old 09-13-2018, 07:24 AM
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Honestly, with the 2.73 diff, its kind of doggy out of the hole. But once you get to about 2000rpm, she moves out pretty good. I think I might look for a 3.15 diff next year to help with that. From everything Ive read, a stock C5 auto will run somewhere around a 13.9 quarter in the 100-108 mph range.
While I dont hot-shoe it much, I have had the car up to 122mph (had to best the wife, for cripes sake!) and it was very stable.
This car is far less in-your-face than a built Dmax when it comes to acceleration and speed. Its a different ballgame altogether.
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"BBT" -- 2003 GMC CC/SB 4x4 12.14@111.15
"The Cruzer" -- 2014 Chevy Cruze Diesel -- the fun little DD
"Kleshay" -- 2000 C5 Corvette -- the toy
"The Bigger Boat" -- 2011 Workhorse P700 - 6.0LS/Allison - what I drive at work


Two wrongs dont make a right, but three rights do make a left.

Reality is a matter of perspective.

This forum isn't for the weak of heart.....or wallet.

"Lets build a race car they said. Itll be fun they said. I don't know who "they" are.........but they need a good punch in the face!" -- mufflerguy (yb)
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Old 09-13-2018, 08:21 AM
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DMAXchris DMAXchris is offline
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Nice rides guys! I need to buy a sports car soon. Corvettes have always been at the top of
my list right below a 997 911.
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Old 09-13-2018, 08:50 AM
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Can Evan and I join? We don't have Vettes, but we're fast.
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Old 09-13-2018, 09:40 AM
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Mike how come you’re not into GMs sports cars?


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Old 09-13-2018, 10:03 AM
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Quote:
Originally Posted by Dozerboy View Post
Mike how come you’re not into GMs sports cars?


Sent from my iPad using Tapatalk
I almost bought a 2016 ZL1 Camaro. It was a little too tight to get in and out of.
Wonderfull car. Then I drove a Hellcat. It blows away the ZL1 power wise and is easier to get in and out of. The ZF auto trans is the finest shifting trans in the world. It will hold 1K HP stock. It always finds the right gear at the right time. The GM auto's don't compare ( yes even the new 10 speed ).
I am a GM guy but I buy what I like.
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Old 09-13-2018, 10:23 AM
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When mike is done with the sheep, he plays with puss..... i mean kitties
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02 LL7 2500HD CC/LB dmax/alli "The Limo"

BIG THANKS TO: Mike L, Steve, Trent, Guy, Dan, Ruben, Josh H, Scott, Brian and everyone else who has put a hand in to help me.

best time to date: 12.39

motor died/bent rods = 3/11/11
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Old 09-13-2018, 10:39 AM
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Quote:
Originally Posted by Mike L. View Post
Can Evan and I join? We don't have Vettes, but we're fast.
We’re talking about cars not boats
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2008 GMC duramax crew cab short bed 2500.
10.98@124mph

Thanks to Mike L, SoCal Diesel, and Abel Chevorlet.

Tailgate Crew Member #1
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  #15  
Old 09-13-2018, 10:49 AM
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My boat
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