If you use the balanced flywheel that matches the engine, this is what you will need to do.

Use the T-5 release arm and throwout bearing for the T-5 bellhousing.  Those parts don't care what the clutch diameter is, as long as it is a diaphragm type pressure plate.  You MUST use the T5 throwout bearing as you have been doing.

The starter for a late model flywheel, typically 50 ounce balance, would use a starter from an AUTOMATIC transmission, but it depends on what year it is.  Compare the ring gears on the flywheels as to the distance the ring gear is from the face of the flywheel.  If they are the same, you can use your old manual trans starter.  If they are different, you will need a starter from an automatic.  After year XX??, Ford changed to using the same starter on auto and manual.  All it took was to reposition the ring gear on manual flywheels.

Thanks Steve - I hadn't thought about the starter.  We have a PMGR mini-starter we're using now.  I thought all 157 tooth flywheels use the same starter with the t5 bellhousing?  Is that incorrect?

So, set aside the throwout bearing that would come with the 10" clutch and use the throwout bearing from the 10.5" clutch? That's because the bearing that comes with the 10" clutch  doesn't work with the t5 release arm/fork?

Sorry if I'm being redundant.  I'm trying not to make any mistakes,  takes time to order things and find out they are wrong, and the car is without a motor at the moment :-(

Thanks,

Bob

Billy - thanks.  So Modern Driveline Web site doesn't appear to list part numbers. That "stock clutch" is a 10"? And you're using that with the throwout bearing that came with it, with T5 clutch fork?  That cast flywheel is the "long pattern" flywheel?

Thanks, 

Bob

rbtconsultants wrote:

Billy - thanks.  So Modern Driveline Web site doesn't appear to list part numbers. That "stock clutch" is a 10"? And you're using that with the throwout bearing that came with it, with T5 clutch fork?  That cast flywheel is the "long pattern" flywheel?

Thanks, 

Bob

 
Yes it is a 10" clutch and the T5 throw out bearing. Not sure what you mean by "long pattern" flywheel. It is a stock flywheel for a 289.

You MUST use the T5 release bearing with the T5 bell and release arm.

The starter engagement depth is different, but both will bolt up.  The later model starters used with the T5 are the same nose depth as the early automatic.  I think the early manual starters were shorter nose, but I could have that backwards.