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PRIVATE - For discusssions, questions and assistance regarding technical/mechanical issues with GMMG cars.
What cars got C5R Race Motors?
Replies: 5
by
daytonajim »
Mon Feb 23, 2026 10:31 am
GMMG planned to install 100 C5R Race Motors.
....work in progress..........
Intake DH PR1.JPG
Feb 23, 2026 - Ryan & I have shared our...
5 Replies
295 Views
Last post by daytonajim
Thu Feb 26, 2026 10:45 am
How many total GMMG's were built?
by
daytonajim »
Wed Feb 25, 2026 11:51 am
The Wildcard's are an estimate based on info on file. There could be more or less.
Please share information. Thanks. Jim
How many GMMG's...
0 Replies
50 Views
Last post by daytonajim
Wed Feb 25, 2026 11:51 am
0 Replies
105 Views
Last post by daytonajim
Sun Feb 08, 2026 2:17 pm
GMMG Camaro Personalized Plates
by
daytonajim »
Sun Feb 08, 2026 2:15 pm
.......work in progress...... just starting Feb 8 2026
GMMGa.jpg
DICK HARRELL - ZL1 - DEI - BERGER SS - HOT ROD EDITION - TOM HENRY RACING -...
0 Replies
209 Views
Last post by daytonajim
Sun Feb 08, 2026 2:15 pm
HOW DO YOU MAINTAIN YOUR GMMG?
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
212 Views
Last post by daytonajim
Thu Jan 29, 2026 11:30 am
Bad Fuel Pump - Gas
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
11687 Views
Last post by daytonajim
Sat Sep 06, 2025 4:24 am
C5R Big motor GMMG Info
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
18522 Views
Last post by daytonajim
Tue May 07, 2024 2:25 pm
GMMG Bow-Tie Colors
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
12199 Views
Last post by daytonajim
Sat Mar 07, 2020 10:52 am
0 Replies
99 Views
Last post by daytonajim
Fri Feb 20, 2026 5:09 am
0 Replies
177 Views
Last post by daytonajim
Sun Feb 08, 2026 2:20 pm
PCM Tube - GMMG's - Hawk's
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
131 Views
Last post by daytonajim
Thu Feb 05, 2026 10:19 am
0 Replies
473 Views
Last post by daytonajim
Mon Nov 03, 2025 5:02 am
Updated tune
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
10759 Views
Last post by daytonajim
Thu Apr 03, 2025 4:03 am
GMMG Engine question
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
10980 Views
Last post by daytonajim
Wed Jan 18, 2023 10:10 am
0 Replies
9636 Views
Last post by daytonajim
Mon Sep 12, 2022 6:22 pm
Rear axel blue paint
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
10463 Views
Last post by daytonajim
Fri Aug 19, 2022 11:47 am
1 Replies
13034 Views
Last post by RonMorgan
Thu Aug 12, 2021 2:26 pm
Sail Panel - Blistering - GM Bulletin
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
12080 Views
Last post by daytonajim
Thu Jul 29, 2021 7:46 pm
GMMG Wheel Info
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
11141 Views
Last post by daytonajim
Sun Sep 20, 2020 8:28 pm
2002 Blackbird Fuel Pump
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
11776 Views
Last post by 68 RSSS Ragtop
Thu Jun 11, 2020 11:06 pm
A/C belt size
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
10432 Views
Last post by 68 RSSS Ragtop
Mon Jun 08, 2020 4:27 pm
Eagle F1's
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
19530 Views
Last post by 68 RSSS Ragtop
Sun May 10, 2020 10:27 am
0 Replies
11127 Views
Last post by daytonajim
Wed Apr 15, 2020 7:49 am
Tires rubbing?
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
11742 Views
Last post by daytonajim
Thu Jan 23, 2020 4:12 am
Bad Fuel Pump - Old Gas
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
11250 Views
Last post by daytonajim
Thu Jan 23, 2020 4:04 am
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