MG Sports Cars

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

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Capt'n Moorgone
Mike Moor
Angola,IN
(104 posts)

Registered:
11/20/2008 07:05PM

Main British Car:
1973 MGB 300 Buick

authors avatar
Re: Ford 5.0 and T5 clutch actuation
Posted by: Capt'n Moorgone
Date: April 08, 2014 08:18PM

Just finished taking out an IHTO, and going external on my 300 Buick with GM T5. I used the Nissan 3/4" bore slave with internal spring. Wow! I should have done this years ago. Lighter pedal with way smoother engagement.
Slave cyllinder.jpg
Clutch fork.jpg
Trans bracket.jpg


pspeaks
Paul Speaks
Dallas, Texas
(698 posts)

Registered:
07/20/2009 06:40PM

Main British Car:
1972 MGB-GT 1979 Ford 302

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Re: Ford 5.0 and T5 clutch actuation
Posted by: pspeaks
Date: April 08, 2014 08:29PM

I think I'm hearing it might be a good idea to replace my 7/8" bore non-spring CNC cylinder with something else. I've also thought of changing my -3 AN line to a -4 but I'm not sure it would make that much difference. Opinions please.


Thanks Mike, I'm rather proud of my linkage and throw-out arm; the bracket not so much, though it works ok, it's a bit ugly.

Paul



Edited 2 time(s). Last edit at 04/08/2014 08:44PM by pspeaks.


Capt'n Moorgone
Mike Moor
Angola,IN
(104 posts)

Registered:
11/20/2008 07:05PM

Main British Car:
1973 MGB 300 Buick

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Re: Ford 5.0 and T5 clutch actuation
Posted by: Capt'n Moorgone
Date: April 08, 2014 08:47PM

Paul, Dorman part # CS37498 Rockauto.com for less than $10


DiDueColpi
Fred Key
West coast - Canada
(1214 posts)

Registered:
05/14/2010 03:06AM

Main British Car:
What if the Hokey Pokey really is what it's all about?

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Re: Ford 5.0 and T5 clutch actuation
Posted by: DiDueColpi
Date: April 09, 2014 03:24AM

Paul,
If you already have the parts, then I see no reason to change them.
The spring type slaves exist only to remove the need to adjust the clutch from time to time.
This lowers warranty claims for the OEMs dramatically at a very small cost per unit increase.
If a cable or mechanical self adjusting mechanism could be made reliably and cheaply. We would never have seen a hydraulic clutch.
Put a return spring on your current setup. And check the pedal free play every once in a while. Just like the old time mechanical linkages that we (most of us) are all used to. And your dancing in the rain.
As far as the -3 line. That's 3/16ths which is more than big enough for a 7/8ths slave.
If you're fighting a slow actuation then you have a much faster left foot than I do.
Cheers
Fred


flyinlow
Kevin .
Elko NV
(84 posts)

Registered:
01/25/2011 04:52PM

Main British Car:
1964 Spitfire Ford 5.0

Re: Ford 5.0 and T5 clutch actuation
Posted by: flyinlow
Date: April 09, 2014 12:00PM

Thanks for providing the part # Capt'n Been trying to decide what to use for a slave cyl and that looks perfect .
Hope You don't mind your idea being used on a Triumph. ;-)



Edited 1 time(s). Last edit at 04/09/2014 12:01PM by flyinlow.


MGBV8
Carl Floyd
Kingsport, TN
(3216 posts)

Registered:
10/23/2007 11:32PM

Main British Car:
79 MGB, Buick 215

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Re: Ford 5.0 and T5 clutch actuation
Posted by: MGBV8
Date: April 09, 2014 03:16PM

Been quietly waiting for Mike to show off the pics of his latest tweek to his car. Did an outstanding job, as usual.


mgb260
Jim Nichols
Sequim,WA
(1755 posts)

Registered:
02/29/2008 08:29PM

Main British Car:
1973 MGB roadster 260 Ford V8

Re: Ford 5.0 and T5 clutch actuation
Posted by: mgb260
Date: April 09, 2014 05:18PM

Mike, That is the H body Buick V6 bellhousing, originally cable clutch, pivot like late Ford. The best one to use behind a Buick V8. What throwout bearing are you using, GM T5 or Buick V6 original?



Capt'n Moorgone
Mike Moor
Angola,IN
(104 posts)

Registered:
11/20/2008 07:05PM

Main British Car:
1973 MGB 300 Buick

authors avatar
Re: Ford 5.0 and T5 clutch actuation
Posted by: Capt'n Moorgone
Date: April 09, 2014 05:53PM

Thanks guys, it worked out well. The bearing and fork are S10 OE, cheap. I'm running a Tilton 74 series master 3/4" bore. It bolts right up to the late pedal box. Did have to fab a push rod. Mike


Brownwood
Keith Montague

(176 posts)

Registered:
01/25/2014 08:08PM

Main British Car:


Re: Ford 5.0 and T5 clutch actuation
Posted by: Brownwood
Date: April 15, 2014 08:52PM

Hey Mike, Can you provide a arts ;list for that clutch actuating rod from your slave cylinder? Looks elegant and simple and I want to plagerize it!


v8mgb
Jim Miller

(32 posts)

Registered:
01/01/2008 11:38AM

Main British Car:
78 MGB Buick 215

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Re: Ford 5.0 and T5 clutch actuation
Posted by: v8mgb
Date: April 09, 2017 03:54PM

I replaced my Mcleod hydraulic throw out bearing with a clutch fork and Wilwood pull type slave cylinder. I am using a Buick 215 bell housing and a T5 Transmission. The clutch fork has been cut off so it will fit in the transmission tunnel. With a MG clutch master it provides about 1/2" of pull which is plenty. Material from the clutch fork and bell housing needs to removed / ground away to provide clearance. The picture doesn't show the return spring I added. You will also replace the hydraulic fittings provided by Wilwood with ⅛ NPT to 4 AN 90 brass fittings.

Part Name - PN - Price - Source - Fits Vehicle Notes
Clutch Fork - 14550 - $29.79 - Rock Auto - 80 Camaro V6 229 cid - Dorman
Release Bearing - 908244- $22.89 - Rock Auto - 80 Camaro V6 229 cid - SKF Part Number N1488
Slave Cylinder - 260-1333 - $76.50 - Wilwood
IMG_1262.JPG



Edited 2 time(s). Last edit at 05/01/2017 08:28AM by v8mgb.


v8mgb
Jim Miller

(32 posts)

Registered:
01/01/2008 11:38AM

Main British Car:
78 MGB Buick 215

authors avatar
Re: Ford 5.0 and T5 clutch actuation
Posted by: v8mgb
Date: April 09, 2017 03:56PM

More Pictures
IMG_1261.JPG


v8mgb
Jim Miller

(32 posts)

Registered:
01/01/2008 11:38AM

Main British Car:
78 MGB Buick 215

authors avatar
Re: Ford 5.0 and T5 clutch actuation
Posted by: v8mgb
Date: April 09, 2017 03:57PM

More Pictures
IMG_1264.JPG



Edited 1 time(s). Last edit at 04/20/2017 07:41PM by v8mgb.


v8mgb
Jim Miller

(32 posts)

Registered:
01/01/2008 11:38AM

Main British Car:
78 MGB Buick 215

authors avatar
Re: Ford 5.0 and T5 clutch actuation
Posted by: v8mgb
Date: April 09, 2017 03:58PM

More pictures
IMG_1256.JPG


v8mgb
Jim Miller

(32 posts)

Registered:
01/01/2008 11:38AM

Main British Car:
78 MGB Buick 215

authors avatar
Re: Ford 5.0 and T5 clutch actuation
Posted by: v8mgb
Date: April 09, 2017 03:59PM

More Pictures
IMG_1272.JPG


Scott68B
Scott Costanzo
Columbus, Ohio
(492 posts)

Registered:
10/25/2007 11:30AM

Main British Car:
1968 MGB GM 5.3 LS4 V8

authors avatar
Re: Ford 5.0 and T5 clutch actuation
Posted by: Scott68B
Date: April 09, 2017 07:54PM

Looks nice Jim! We're you having issues with your HTOB?



v8mgb
Jim Miller

(32 posts)

Registered:
01/01/2008 11:38AM

Main British Car:
78 MGB Buick 215

authors avatar
Re: Ford 5.0 and T5 clutch actuation
Posted by: v8mgb
Date: April 10, 2017 08:39PM

Yes the HTOB was releasing slow when the car was warm. I replaced the clutch master which had no impact. I haven't torn into the HTOB to see what was wrong. The first HTOB I installed lasted 10 years and I had it rebuilt by Mcleod as a preventive measure when I had the engine out for a paint job. The rebuild only lasted 3 driving seasons. Now if something goes wrong with the hydraulics I can make the repair without pulling the engine. The reliability on this set up still needs to be established, season one starts soon.


RDMG
D R

(58 posts)

Registered:
04/07/2016 08:29PM

Main British Car:
MGB Still Stock (temporarily)

Re: Ford 5.0 and T5 clutch actuation
Posted by: RDMG
Date: June 26, 2017 09:10PM

Good evening Gentlemen,

I'm inspired by this thread! Inspiration always leads to questions...

I have a 215 4-speed bell, mated with an adapter to a Ford Mustang V8 T5. I'll use a ford 10.5" clutch. I'm hoping I can stitch together a slave setup without TIG-welding my bellhousing.

Do GM clutch forks and T5 input shafts mate to Ford throwout bearings? I have tried to find OD measurements for TBs on the web, but haven't had luck. If they do, I think I can copy Jims setup exactly.

It looks like Mike's slave setup uses a fork with a 2-1 ratio with equal diameter slave cylinders.

Jim, does your cut Camaro fork have a 2-1 ratio as well? Same size master and slave?

I was admiring some Jeep forks on the web, and was wondering if they might work without mods:

[www.the-jeep-guy.com]

A few of them on that website appear to be 2-1, very short, and of a vintage that might share some dimensions with the Buick 215 (Jeeps had a v6 derived from the 215 for a while, I think).

Any advice on the right fork/slave/TB recipe for a Buick/Ford setup would be much appreciated.

Dave


mgb260
Jim Nichols
Sequim,WA
(1755 posts)

Registered:
02/29/2008 08:29PM

Main British Car:
1973 MGB roadster 260 Ford V8

Re: Ford 5.0 and T5 clutch actuation
Posted by: mgb260
Date: June 27, 2017 04:30AM

Dave, The cable type clutch fork they use has the pivot ball on the opposite side from your 215. The Ford bearing retainer and throwout bearing has a larger diameter than the GM. You could use the cable type Ford fork and move the pivot to the opposite side. The same size master and slave works OK but a size smaller master will give an easier pedal and longer throw. This link may help:

[www.mgexp.com]


Scott68B
Scott Costanzo
Columbus, Ohio
(492 posts)

Registered:
10/25/2007 11:30AM

Main British Car:
1968 MGB GM 5.3 LS4 V8

authors avatar
Re: Ford 5.0 and T5 clutch actuation
Posted by: Scott68B
Date: June 27, 2017 04:50AM

Quote:
I have a 215 4-speed bell, mated with an adapter to a Ford Mustang V8 T5. I'll use a ford 10.5" clutch. I'm hoping I can stitch together a slave setup without TIG-welding my bellhousing.

Are you married to the Ford clutch for some reason? You could use a GM bearing retainer on your Ford T5 and keep all the components GM. You'd need to find (or have one made) a disc that matches up to the Ford input shaft. Seems an easier way to go to me.


BlownMGB-V8
Jim Blackwood
9406 Gunpowder Rd., Florence, KY 41042
(5306 posts)

Registered:
10/23/2007 12:59PM

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

authors avatar
Re: Ford 5.0 and T5 clutch actuation
Posted by: BlownMGB-V8
Date: June 27, 2017 10:32AM

The S10 clutch fork uses the far side pivot but is NOT a cable piece as it has a dimple in the actuator end and no cable slot. This makes it perfect for a push cylinder. It is also quite short which is helpful in those close confines.

I'm using it with a standard (but modified) BOP bell and the S/C will be positioned between the tranny mounting ears, bolted to the bell using a 3/4" Isuzu slave. Flange mount. I added about 1" to the mount surface of the bell and a bit of metal where the pivot rod goes on the other side.

Jim
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