Bracket Talk
Need a new mid plate for 06 undercover

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https://drr.infopop.cc/eve/forums/a/tpc/f/80760912/m/3347089776

June 12, 2018, 06:39 AM
Tommy Castanedo
Need a new mid plate for 06 undercover
Does anyone have a contact # for Bill Fredericks. Need a BBC front motor plate for a '02 Undercover. Thank you.
June 12, 2018, 08:33 AM
"The Bender"
You can call Larry Strickland, he and Bill work together.

352-303-0645

And welcome to the forum! Wink


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June 12, 2018, 09:39 AM
TORQIN
Thanks Brian, My sons 07 undercover has a cracked mid plate as well...I will call today!
June 12, 2018, 10:10 AM
Buck2248
I just got one for my Stepfathers O6 from Bill and fit like a glove. was a little beefier up around the top mount area also with a little more material. and was done very quickly.


Mike Buchwald


January 22, 2023, 09:47 AM
1320racer
Bringing this back for an update…

Discovered yesterday that my non chromed, non coated mid plate is cracked after 6 seasons. This was the replacement for the original that I got from S&W and installed for the start of the 2017 season. It’s never been removed since I installed it so no telling how long it’s been cracked at the top bolt holes as the original one did.

I’ll be calling S&W tomorrow and will order 2, one for a spare.
January 22, 2023, 11:13 AM
Big Steve
The one I made myself back in 2015 using 6061 aluminum plate still hanging in there, even with 5 seasons holding a blown TD motor in place. Big Grin
January 22, 2023, 12:14 PM
Curly1
I had to make a custom plate and used a 3/8" plate from S&W that had bolt holes for block and trans but blank every where else. I used 3/8 because I wanted it a little stronger there. They make them in 1/4 to. Easy to do if you can not get what you want made.


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January 22, 2023, 12:42 PM
1320racer
quote:
Originally posted by Big Steve:
The one I made myself back in 2015 using 6061 aluminum plate still hanging in there, even with 5 seasons holding a blown TD motor in place. Big Grin

I’ll find out what aluminum they normally use.
January 22, 2023, 01:32 PM
markemark
quote:
Originally posted by 1320racerBig Griniscovered yesterday that my non chromed, non coated mid plate is cracked after 6 seasons. This was the replacement for the original that I got from S&W and installed for the start of the 2017 season. It’s never been removed since I installed it so no telling how long it’s been cracked at the top bolt holes as the original one did.


Do you use the mount on the transmission tail shaft housing?
January 22, 2023, 01:41 PM
Big Steve
6061-T6 is most common but 7075-T6 is substantially stronger and used in aircraft
January 22, 2023, 02:02 PM
1320racer
Thanks Steve

Mark, no
January 22, 2023, 04:04 PM
WHOMPWHOMP
I have several from undercover but for some reason they are not for sale..like their gone be worth something one day lol
January 23, 2023, 09:29 AM
1320racer
Just ordered 2 mid plates from Randy at S&W, will ship later this week.
January 23, 2023, 09:40 AM
Big Steve
Did they say what material they use?
January 23, 2023, 09:55 AM
CURTIS REED
quote:
Originally posted by Big Steve:
Did they say what material they use?


You can safely bet they are 6061



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January 23, 2023, 10:01 AM
67TSCHEVY2
if the chassis wasn,t flexing so bad the plate would be a no issue .... 15 plus year old tubing flexing might be nearing the end of its service life.

This message has been edited. Last edited by: 67TSCHEVY2,
January 23, 2023, 10:09 AM
TORQIN
I made my undercover mid plate out of steel, NEVER had an issue again...ran for 2 years after changing aluminum mid plate twice. Bill refused to make a steel one as a matter of fact. All my American dragsters have steel mid plates in them for years, no issues.
January 23, 2023, 10:21 AM
CURTIS REED
quote:
Originally posted by TORQIN:
I made my undercover mid plate out of steel, NEVER had an issue again...ran for 2 years after changing aluminum mid plate twice. Bill refused to make a steel one as a matter of fact. All my American dragsters have steel mid plates in them for years, no issues.


That is a good call. I've machine quite a few aluminum plates for friends and nobody every wanted to run a steel one.



____________________________
2017 and 2018 Osage Casinos Tulsa Raceway Park No-Box Champion

2018 Div4 Goodguys Hammer award winner
January 23, 2023, 11:10 AM
1320racer
a steel mid plate is not the answer, that will only cause something else to crack

quote:
Originally posted by 67TSCHEVY2:
if the chassis wasn't flexing so bad the plate would be a no issue .... 15 plus year old tubing flexing might be nearing the end of its service life.

my tubing is 9 years old and they all flex by design. original chromed mid plate was found cracked after season 3 and this one found cracked after 6 seasons.

NBD, new mid plate will be installed and car & driver will continue to turn on lamps and collect checks.
January 23, 2023, 11:17 AM
TOP38
They are 6061 aluminum and should be 7075. Dan Page Race Cars just made one for a friend of mine, so he now has the program to make one if you need from 7075!

Whether the problem is 6061 vs 7075 or the back portion of the chassis is not stiff enough or other remains to be up for debate. I do know there is an issue with these cars and that my 04 Page car has never had this issue nor have any others.

BTW 7075 has almost twice the strength as 6061.