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Hi Mark,Hi! I'm mating a T5 tranny from a '98 Mustang 3.8 V6 to my '78 Mustang II 2.8 V6. Do I buy a pilot bearing for the 2.8 or for the 3.8 (or are they the same bearing)? Thanks!
Hi Mark,
Buy the one for the Mustang II. It is being used with the Mustang II bellhousing and the Mustang II clutch and pressure plate, so keep it a complete set.
Jose
Hi Dwain,Jose Ive got a question regarding this post. I see Mark asking about the pilot bearing for the 3.8 tranny but your answer seems to be regarding the throwout bearing. Maybe Im reading something into this I shouldnt but when you say keep it a complete set it kinda messes with my head.I usally think of clutch disc,pressure plate & throwout bearing.
What span is there on years that can be used on the 3.8 tranny? I tried to search on the site but note finding the info.
Dwain V6 Krazy
Hi Dwain,
I said it wrong. I should have said to use the Mutt II pilot bearing, because it will be going into the end of the 2.8 V6 crank, and I don't know if the 3.8 V6 has the same O.D. as the Mutt II. The only way to know for sure, is to see what the part number for each is, and if there is nodifference, in numbers, it means that they are the same. Sorry to have confused you. Sometimes I get to rambling and don't pay attention as I should.
Jose
Thanks for the info, because, never having even seen a 3.8 pilot bearing, I didn't know if they were the same diameter on the O.D. as the 2.8. The I.D. of the 3.8 bearing is also larger, and is why the pilot bearing spud on the 3.8 T5 has to be turned down to fit the smaller I.D. of the Mustang II bearing.Hi Jose, I just found out the 3.8 bearing has a much larger outside dimension than the 2.8.The 2.8 measures in at 13/16 and the 3.8 is at least a full inch. The inside dimension is of course the same.
The 3.8 will not fit into the crank.
Doug
Thanks for the info, because, never having even seen a 3.8 pilot bearing, I didn't know if they were the same diameter on the O.D. as the 2.8. The I.D. of the 3.8 bearing is also larger, and is why the pilot bearing spud on the 3.8 T5 has to be turned down to fit the smaller I.D. of the Mustang II bearing.
Like Jim said, you will need to have the pilot bearing spud ground down to the same O.D. as the one on the Mustang II four speed, if you decide to use the Mustang II pilot bearing.
Jose
It's just great! Weather is warm, not like Seattle, and the people are just great too. Unfortunately, the dollar has fallen to the place, that I may have to return to the states and go back to work.JimE. I PM'ed you. Hey Jose. How's things nearer the Equator?
Dennis.
Hi Doug,Hi Jose, is it necessary to disassemble the trans to turn down the shaft?
Hi Mark,Hi Doug! There has a discussion on this the last couple of days in the 'Got Vader a trans' post. You might want to check it out. I just had a bronze bearing made for mine (17 mm ID, 21 mm OD) as my machinist was afraid that he would go through the hardened part of the spud if he ground it down. I guess only time will tell if I made the right decision.
Now the next issue. The hole in the bellhousing is slightly smaller than the bearing retainer. I'm getting the hole bored out in the morning. Are there any other modifications that I'm going to have to do? When I do some rough measurements it looks like the tranny input shaft is only going to go into the pilot bearing by about 1/4 to 3/8 of an inch. I can get a little more by planing down the back of the bellhousing. Has this happened to anyone else?
It is way easier to remove the front collar from the transmission and have it turned down in a lathe, giving you .02/.03 clearance.
Jose
Hi Doug! There has a discussion on this the last couple of days in the 'Got Vader a trans' post. You might want to check it out. I just had a bronze bearing made for mine (17 mm ID, 21 mm OD) as my machinist was afraid that he would go through the hardened part of the spud if he ground it down. I guess only time will tell if I made the right decision.
Now the next issue. The hole in the bellhousing is slightly smaller than the bearing retainer. I'm getting the hole bored out in the morning. Are there any other modifications that I'm going to have to do? When I do some rough measurements it looks like the tranny input shaft is only going to go into the pilot bearing by about 1/4 to 3/8 of an inch. I can get a little more by planing down the back of the bellhousing. Has this happened to anyone else?