MG Sports Cars

engine swaps and other performance upgrades, plus "factory" and Costello V8s

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oblvnnwtnjhn
Spencer Crawford

(13 posts)

Registered:
02/13/2021 05:52PM

Main British Car:


71' MGB GT: Super T 10/Buick 215
Posted by: oblvnnwtnjhn
Date: February 03, 2022 09:20AM

Gents,

I have a 71' GT, a 62' Buick 215 that I am building into a period stroker 266. I am considering the Richmond Super T 10, dimensions show smaller than T5 though T10 side shift. How have those running the Super T10 addressed shift linkage?

It's really important to me to keep this swap what I would consider period correct as possible hence me selecting the 215 vs the Rover, just personal preference on doing things a little different.


Jim Stabe
Jim Stabe
San Diego, Ca
(818 posts)

Registered:
02/28/2009 10:01AM

Main British Car:
1966 MGB Roadster 350 LT1 Chevy

authors avatar
Re: 71' MGB GT: Super T 10/Buick 215
Posted by: Jim Stabe
Date: February 03, 2022 02:14PM

When I did my '66 with the exact same engine/trans I had to cut out the side of the tunnel and a portion of the floor to clear the linkage. In the attachment you can see how much I had to trim back the floor in the lower left picture. Sorry I don't have a pictures showing the fabricated bulge in the side of the tunnel.

Mg-2.jpg


oblvnnwtnjhn
Spencer Crawford

(13 posts)

Registered:
02/13/2021 05:52PM

Main British Car:


Re: 71' MGB GT: Super T 10/Buick 215
Posted by: oblvnnwtnjhn
Date: February 03, 2022 03:02PM

Thanks for the input and sharing Jim. What year/model Jaguar rear end?


Jim Stabe
Jim Stabe
San Diego, Ca
(818 posts)

Registered:
02/28/2009 10:01AM

Main British Car:
1966 MGB Roadster 350 LT1 Chevy

authors avatar
Re: 71' MGB GT: Super T 10/Buick 215
Posted by: Jim Stabe
Date: February 04, 2022 02:17AM

It was a Mk1 XKE with flanges welded onto the knockoff spline and narrowed 1 1/2" per side


MGBV8
Carl Floyd
Kingsport, TN
(4284 posts)

Registered:
10/23/2007 11:32PM

Main British Car:
1979 MGB Buick 215

authors avatar
Re: 71' MGB GT: Super T 10/Buick 215
Posted by: MGBV8
Date: February 07, 2022 08:58AM

I have a Muncie in my '68 Camaro & a '63 215 in my MGB. I never considered putting the two together. The Muncie & Super T-10 work in the Camaro, not so much in the MGB.


Spitfire 350
Phil McConnell
Perrysburg, OH (Toledo area)
(247 posts)

Registered:
01/11/2010 09:19PM

Main British Car:
74 Spitfire 350Chevy

authors avatar
Re: 71' MGB GT: Super T 10/Buick 215
Posted by: Spitfire 350
Date: February 07, 2022 10:29AM

Spencer, what period are you shooting for?
The fact that you are going to keep it as a manual means that it will still look like what was always available in an MG, thereby appearing period correct for any period. The Laycock overdrive was introduced in early 1963 so the possibility of an overdrive has been an option since then. A drivetrain swap in a '71 BGT prior to 1980 could have used the stock overdrive trans. A swap on the same car performed after 1980 could have used a T5. If you intend to drive the car very much after it is finished, I believe that you will be doing yourself a dis-service by not using an overdrive transmission.


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(6218 posts)

Registered:
10/23/2007 12:59PM

Main British Car:
1971 MGB Blown,Injected,Intercooled Buick 340/AA80E/JagIRS

authors avatar
Re: 71' MGB GT: Super T 10/Buick 215
Posted by: BlownMGB-V8
Date: February 07, 2022 02:41PM

Use the T5. It's the only sensible thing to do. It fits properly and works correctly. The only improvement would be to use the Tremec.

Now if you insist on a British transmission (you didn't) you could Maybe get a little easier shifting at the cost of tunnel mods to get it to fit.

But use the T5. No mods except the driveshaft and crossmember mount. And those are easy.

Jim



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