Learning about clutch set-ups. Need a little help

[patrickt]

Originally Posted by Tallguy

I do have one last question... What I can not find are the dimensions for the clutch fork. I plan to run a 438 FE and a TKO 600 with a blow proof bell... I am trying to figure out what clutch fork would be used...

I believe the TKO600 uses a standard Ford small spline fork, D0TZ-7515A. They also fit Ford Trucks 73-79 L6 so the specs should be available on line, or you could just pick one up at the local autoparts store. OR, someone here might have one sitting on the shelf and would be kind enough to measure it for you, angles and all .

[Tallguy]

Thanks guys. I'll either find a fork spec online or estimate from a pic.

It's funny how most things I can find a million websites with more info then I need, and others are just a bit to detailed with minimal info. I think it is me digging deeper than most do to understand every little detail rather than just accept it for what it is. I am an engineer if you could not guess

Mark

[767Jockey]

Mark,
I recently spent a considerable length of time on the phone with a tech at Wilwood. They make pedal assemblies, masters and slaves. Tell them what you want, and they'll gladly mix and match components to give you the min pedal travel / max action setup available. These guys know their stuff. Ring one up and talk - the guy I got was great. Good luck.

[Tallguy]

Originally Posted by 767Jockey

Mark,
I recently spent a considerable length of time on the phone with a tech at Wilwood. They make pedal assemblies, masters and slaves. Tell them what you want, and they'll gladly mix and match components to give you the min pedal travel / max action setup available. These guys know their stuff. Ring one up and talk - the guy I got was great. Good luck.

Good tip. In this age of the internet, the last thing I do is pick up the phone. I think talking to the experts is the thing to do.

Mark

[RodgerH]

Originally Posted by Tallguy

I do have one last question... What I can not find are the dimensions for the clutch fork. I plan to run a 438 FE and a TKO 600 with a blow proof bell... I am trying to figure out what clutch fork would be used....

Originally Posted by patrickt

I believe the TKO600 uses a standard Ford small spline fork, D0TZ-7515A.

Hey Mark,

I measured an extra fork I have, p/n DOTZ-7515B, which is what I used on my FE/Lakewood/TKO600. I don't know what is different from the D0TZ-7515A.

Pivot to throwout bearing centerline= 3-7/8"
Pivot to slave rod push point= 6-5/8"

Hope this helps!

Rodger (also an engineer - but retired as of yesterday! )

[patrickt]

Originally Posted by RodgerH

I measured an extra fork I have, p/n D0TZ-7515B, which is what I used on my FE/Lakewood/TKO600. I don't know what is different from the D0TZ-7515A.

Dang, didn't even know there was a D0TZ-7515B. I know there's a C8OZ-7515B that costs about five times as much and is a clip-type for the 390. Click on this link and tell me which one your 7515B looks like the most: http://www.autokrafters.com/v4/go.gn...Template=40002

[RodgerH]

Originally Posted by patrickt

Dang, didn't even know there was a D0TZ-7515B. I know there's a C8OZ-7515B that costs about five times as much and is a clip-type for the 390. Click on this link and tell me which one your 7515B looks like the most: http://www.autokrafters.com/v4/go.gn...Template=40002

Hi Patrick,

Nope, you haven't lost your memory! The number should have been EOTZ-7515-B. It's Dorman Part# 14553. Your link didn't have it listed, but you can find it at this link (It takes a minute to completely load):

http://www.rockauto.com/dbphp/mak,FO...92,Clutch+Fork

You can enlarge the picture in the item description.

Rodger

[patrickt]

Originally Posted by RodgerH

Hi Patrick,

Nope, you haven't lost your memory! The number should have been EOTZ-7515-B. It's Dorman Part# 14553.

Good to know the Alzheimer's hasn't set in yet . Tallguy take note: On both of these forks the slave cylinder end is not drilled. You will want to drill a hole in the fork before you mount it (that will make adjusting the clutch a bit easier). Here's a shot of mine:

[Tallguy]

Originally Posted by RodgerH

Hey Mark,

I measured an extra fork I have, p/n DOTZ-7515B, which is what I used on my FE/Lakewood/TKO600. I don't know what is different from the D0TZ-7515A.

Pivot to throwout bearing centerline= 3-7/8"
Pivot to slave rod push point= 6-5/8"

Hope this helps!

Rodger (also an engineer - but retired as of yesterday! )

First off, congratulations on your retirement! Must be a great feeling today.

Thanks so much for the fork dimensions; this is exactly what I was looking for. There is more leverage than I thought. What clutch and pressure plate did you use, and are you happy with them?

mark