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HOW DO YOU MAINTAIN YOUR GMMG?

Last post by daytonajim « Thu Jan 29, 2026 11:30 am
Replies: 1
by daytonajim » Thu Jan 29, 2026 9:40 am

....work in progress..........

HOW DO YOU MAINTAIN YOUR CARS?

HOW DO THE LARGE COLLECTORS MAINTAIN THEIR CARS?

There is always ongoing...

1 Replies

134 Views

Last post by daytonajim
Thu Jan 29, 2026 11:30 am
Bad Fuel Pump - Gas

Last post by daytonajim « Sat Sep 06, 2025 4:24 am

by daytonajim » Sat Sep 06, 2025 4:24 am

1.jpg
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38BB.jpg
Fuel Pump Sept25 (1).jpg
Fuel Pump Sept25 (2).jpg
Fuel Pump Sept25 (3).jpg Fuel Pump Sept25 (3).jpg Fuel Pump...

0 Replies

11646 Views

Last post by daytonajim
Sat Sep 06, 2025 4:24 am
C5R Big motor GMMG Info

Last post by daytonajim « Tue May 07, 2024 2:25 pm

by daytonajim » Tue May 07, 2024 2:25 pm

GMMG Registry
.
People often ask what motor the phase 3 427, 454, and 455 GMMG cars are running.💥 C5R 💥
....

0 Replies

18449 Views

Last post by daytonajim
Tue May 07, 2024 2:25 pm
GMMG Bow-Tie Colors

Last post by daytonajim « Sat Mar 07, 2020 10:52 am

by daytonajim » Sat Mar 07, 2020 10:52 am

GMMG BOW-TIE COLORS

DH Gold
ZL1 Blue
DEI SS White
SS SS White
HRE Red
TH SS White
PE SS White

IMG_2544.JPG
ZL1 001.jpg
P8310004.JPG...

0 Replies

12098 Views

Last post by daytonajim
Sat Mar 07, 2020 10:52 am
PCM Tube - GMMG's - Hawk's

Last post by daytonajim « Thu Feb 05, 2026 10:19 am

by daytonajim » Thu Feb 05, 2026 10:19 am

Contact Bruce @ Hawk's

Wake up your GMMG.

I attached a link for the computer removal.

The computer is located in the back left corner of the...

0 Replies

25 Views

Last post by daytonajim
Thu Feb 05, 2026 10:19 am
Motor Phases from Sam Bush

Last post by daytonajim « Mon Nov 03, 2025 5:02 am

by daytonajim » Mon Nov 03, 2025 5:02 am

0 Replies

420 Views

Last post by daytonajim
Mon Nov 03, 2025 5:02 am
Updated tune

Last post by daytonajim « Thu Apr 03, 2025 4:03 am
Replies: 1
by Nyle » Tue Apr 01, 2025 2:36 pm

How many of you have had Mike update the old software ?
I'm in the process of doing a remote tune with Mike Carnahan , Elite tuning .
As most know...

1 Replies

10674 Views

Last post by daytonajim
Thu Apr 03, 2025 4:03 am
GMMG Engine question

Last post by daytonajim « Wed Jan 18, 2023 10:10 am

by daytonajim » Wed Jan 18, 2023 10:10 am

January 17, 2022

GMMG Owners and Enthusiasts Group
Jeffrey Griffin · 12h ·

Thought of this while driving home today. Seeing and knowing what...

0 Replies

10895 Views

Last post by daytonajim
Wed Jan 18, 2023 10:10 am
Jeff Foster & Matt Avery talk Berger Custom Paint

Last post by daytonajim « Mon Sep 12, 2022 6:22 pm

by daytonajim » Mon Sep 12, 2022 6:22 pm

0 Replies

9549 Views

Last post by daytonajim
Mon Sep 12, 2022 6:22 pm
Rear axel blue paint

Last post by daytonajim « Fri Aug 19, 2022 11:47 am

by daytonajim » Fri Aug 19, 2022 11:47 am

GMMG Owners and Enthusiasts Group
.
Aaron Thornton
.
*Fun Fact Friday*
.
The splash of blue paint on the rear axle of ZL1's and D.H. cars highlights...

0 Replies

10391 Views

Last post by daytonajim
Fri Aug 19, 2022 11:47 am
Was there ever a car cover offered for GMMG cars?

Last post by RonMorgan « Thu Aug 12, 2021 2:26 pm
Replies: 1
by daytonajim » Sat Aug 07, 2021 1:05 pm

Ron Morgan asked a question .

Was there ever a car cover offered for GMMG cars?

Aug. 7, 2021 - Jim Smith

Car covers were include with GMMG's.

The...

1 Replies

12947 Views

Last post by RonMorgan
Thu Aug 12, 2021 2:26 pm
Sail Panel - Blistering - GM Bulletin

Last post by daytonajim « Thu Jul 29, 2021 7:46 pm
Replies: 1
by daytonajim » Thu Jul 29, 2021 7:42 pm

Aaron Thornton
Admin
Doug Cook It's a well documented issue GM had from 1999-2002 with the adhesive they used eating through the unprimed back of the...

1 Replies

11968 Views

Last post by daytonajim
Thu Jul 29, 2021 7:46 pm
GMMG Wheel Info

Last post by daytonajim « Sun Sep 20, 2020 8:28 pm

by daytonajim » Sun Sep 20, 2020 8:28 pm

GMMG Wheels………….

Joey Edgemon

AR 200s are 17x9 6-1/8” backspacing

170380_7e008134f6_low_res.JPG

Andrew McCall

Fikse, are 17” x 9.5” with a...

0 Replies

11055 Views

Last post by daytonajim
Sun Sep 20, 2020 8:28 pm
2002 Blackbird Fuel Pump

Last post by 68 RSSS Ragtop « Thu Jun 11, 2020 11:06 pm
Replies: 1
by JR47 » Wed Jun 03, 2020 11:42 am

Hi, I was trying to find out which fuel pump was installed in the 2002 Blackbird. I own #47 and the pump is toast. Couldn't find anything on the...

1 Replies

11674 Views

Last post by 68 RSSS Ragtop
Thu Jun 11, 2020 11:06 pm
A/C belt size

Last post by 68 RSSS Ragtop « Mon Jun 08, 2020 4:27 pm

by 68 RSSS Ragtop » Mon Jun 08, 2020 4:27 pm

Hi all,

I just shredded my a/c belt. With the underdrive pulleys on the car, it uses different size belts than stock. Any chance anyone could take...

0 Replies

10332 Views

Last post by 68 RSSS Ragtop
Mon Jun 08, 2020 4:27 pm
Eagle F1's

Last post by 68 RSSS Ragtop « Sun May 10, 2020 10:27 am
Replies: 6
by Damien Scott » Sun Mar 08, 2015 1:05 am

In case anyone has been on the look out for these tires, tirerack has them back in stock. I would be buying a set if I weren't getting my tranny...

6 Replies

19375 Views

Last post by 68 RSSS Ragtop
Sun May 10, 2020 10:27 am
GMMG Oval Exhaust Tips - NO LONGER AVAILABLE

Last post by daytonajim « Wed Apr 15, 2020 7:49 am

by daytonajim » Wed Apr 15, 2020 7:49 am

NO LONGER AVALIBLE - OUT OF STOCK

Ron Mowen ..call 423-728-3300 and ask for Terri.

Her company is taking over production from the original...

0 Replies

11057 Views

Last post by daytonajim
Wed Apr 15, 2020 7:49 am
Tires rubbing?

Last post by daytonajim « Thu Jan 23, 2020 4:12 am

by daytonajim » Thu Jan 23, 2020 4:12 am

If you go from 17 to 18 wheels & larger tires they will probably rub because the wheels are too big.

Replacing the suspension & shocks WILL NOT fix...

0 Replies

11680 Views

Last post by daytonajim
Thu Jan 23, 2020 4:12 am
Bad Fuel Pump - Old Gas

Last post by daytonajim « Thu Jan 23, 2020 4:04 am

by daytonajim » Thu Jan 23, 2020 4:04 am

Replacing a fuel pump is expensive & very time consuming. It could easily be $2k.

If you do not drive your GMMG a lot bad fuel is a problem.

A few...

0 Replies

11180 Views

Last post by daytonajim
Thu Jan 23, 2020 4:04 am
GMMG Brass Door Tag decoding

Last post by daytonajim « Fri Oct 11, 2019 5:06 pm

by daytonajim » Fri Oct 11, 2019 5:06 pm

0 Replies

6188 Views

Last post by daytonajim
Fri Oct 11, 2019 5:06 pm
4th Gen Roof bubbles & blisters - FIX????

Last post by daytonajim « Mon Sep 23, 2019 5:10 pm

by daytonajim » Mon Sep 23, 2019 5:10 pm

0 Replies

6529 Views

Last post by daytonajim
Mon Sep 23, 2019 5:10 pm
What are the correct Blackbird Wheels?

Last post by daytonajim « Tue Sep 10, 2019 2:33 am

by daytonajim » Tue Sep 10, 2019 2:33 am

0 Replies

6340 Views

Last post by daytonajim
Tue Sep 10, 2019 2:33 am
What color are the Grill Bow-Tie & SS Emblems?

Last post by daytonajim « Tue Sep 10, 2019 2:30 am

by daytonajim » Tue Sep 10, 2019 2:30 am

0 Replies

6296 Views

Last post by daytonajim
Tue Sep 10, 2019 2:30 am
Roof & Sail Panel Blisters

Last post by daytonajim « Tue Sep 10, 2019 2:22 am

by daytonajim » Tue Sep 10, 2019 2:22 am

0 Replies

6324 Views

Last post by daytonajim
Tue Sep 10, 2019 2:22 am
Power Window motor slow

Last post by daytonajim « Tue Sep 10, 2019 2:14 am

by daytonajim » Tue Sep 10, 2019 2:14 am

0 Replies

6094 Views

Last post by daytonajim
Tue Sep 10, 2019 2:14 am

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