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Re: Mcleod twin disc clutch trouble [Re: General 68] #1637685
07/03/14 08:45 AM
07/03/14 08:45 AM
Joined: Jun 2003
Posts: 3,325
Truckville, the capital of NY
85_Ram_4speed Offline
master
85_Ram_4speed  Offline
master

Joined: Jun 2003
Posts: 3,325
Truckville, the capital of NY
No experience with a twin disk, but I set up my old Dartsport with a stop as was suggested previously and no overcenter spring. If you adjust the clutch right, there will actually be very little movement in clutch pedal travel to get the disk to release. Mopars have WAY to much travel in stock form. It took me having someone in the car pressing the pedal while I got underneath to see what was actually happening. I think I set my air gaps to be about .090 on the several different clutches I tried, anything much tighter and it was hard to shift at high speed---again, this is what I determined worked for me.

I'd be willing to bet if someone pressed the clutch for you while you under neath, measure your air gap and have the assistant note where the pedal started and stop to achieve that, you'd see it doesnt take much travel at all. My pedal actually was not any higher off the floor than my brake pedal--in fact it was lower---stock it was alot higher than the brake pedal. It doesn't matter which side of the pedal you limit, or both, you just need to limit it for a specified distance. And make sure the linkage geometry is right too.


Outcast Dodge guy.
Re: Mcleod twin disc clutch trouble [Re: 73cuda340] #1637686
07/03/14 11:10 AM
07/03/14 11:10 AM
Joined: Jan 2003
Posts: 2,033
MD
RTSE4ME Offline
top fuel
RTSE4ME  Offline
top fuel

Joined: Jan 2003
Posts: 2,033
MD
The original Street Twin uses a Borg & Beck long pressure plate. This is a borg & beck hat with long style fingers. You have lower static pressure and they have c/w on fingers for lock up. It is kind of in between a B&B and diaphragm.
I think they make different diameter overcenter springs depending on static pressure. I would give Brewers a call.

I think a member(71TA) uses the same exact clutch with a Lakewood bell without any issues.

Re: Mcleod twin disc clutch trouble [Re: 85_Ram_4speed] #1637687
07/03/14 11:17 AM
07/03/14 11:17 AM
Joined: Jan 2003
Posts: 2,033
MD
RTSE4ME Offline
top fuel
RTSE4ME  Offline
top fuel

Joined: Jan 2003
Posts: 2,033
MD
Quote:

Mopars have WAY to much travel in stock form.

I'd be willing to bet if someone pressed the clutch for you while you under neath, measure your air gap and have the assistant note where the pedal started and stop to achieve that, you'd see it doesnt take much travel at all. My pedal actually was not any higher off the floor than my brake pedal--in fact it was lower---stock it was alot higher than the brake pedal. It doesn't matter which side of the pedal you limit, or both, you just need to limit it for a specified distance. And make sure the linkage geometry is right too.




I would do this.

Re: Mcleod twin disc clutch trouble [Re: RTSE4ME] #1637688
07/03/14 08:20 PM
07/03/14 08:20 PM
Joined: Jun 2007
Posts: 1,167
clarks summit pa
73cuda340 Offline OP
super stock
73cuda340  Offline OP
super stock

Joined: Jun 2007
Posts: 1,167
clarks summit pa
I had a helper working the pedal while I was underneath. I just got it to the point where it will disengage. Im just going to live with the lower pedal. I got it to be about halfway now.


1973 Cuda 528 all aluminum Hemi, 4 speed, 3.23 Sure-Grip, (JA5) Silver Frost Metallic 1973 Challenger Rallye 340 1985 W150 Power Ram prospector 1986 Camaro IROC-Z 305 tpi
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