Technical

Welcome to the new GMMG Registry forum! Hopefully this new forum should be easier for everyone to register, login, navigate, and post!

New Topic

67 topics

Topics

Replies

Views

Last post

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
2.jpg
3.jpg
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

11617 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

18413 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 Blue
TH SS White
PE SS White

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

0 Replies

11943 Views

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

343 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

10640 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

10850 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

9512 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

10358 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

12903 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

11917 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

11023 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

11633 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

10294 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

19305 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

11025 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

11645 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

11143 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

6161 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

6496 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

6305 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

6256 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

6299 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

6070 Views

Last post by daytonajim
Tue Sep 10, 2019 2:14 am
Clutch pedal slow to return

Last post by daytonajim « Tue Sep 10, 2019 2:13 am

by daytonajim » Tue Sep 10, 2019 2:13 am

0 Replies

5775 Views

Last post by daytonajim
Tue Sep 10, 2019 2:13 am
Where can I get GMMG Oval Exaust Tips?

Last post by daytonajim « Fri Nov 30, 2018 2:14 pm

by daytonajim » Fri Nov 30, 2018 2:14 pm

0 Replies

5567 Views

Last post by daytonajim
Fri Nov 30, 2018 2:14 pm

New Topic

67 topics

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum