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  What is the right fluid for nwc t-5 trans?

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Author Topic:   What is the right fluid for nwc t-5 trans?
Dan warren
Gearhead

Posts: 89
From: bothell Washington
Registered: Aug 99

posted 11-13-2002 02:02 AM     Click Here to See the Profile for Dan warren   Click Here to Email Dan warren     Edit/Delete Message   Reply w/Quote
I was reading an article in the new Mustangs and Ford mag. It seemed to say that the non world class t-5 used a heaver fluid than the atf used in th wc t-5. The car is an 84.Any one know what is right ? Thanks Dan

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68 Shelby Gt 500 Conv.68 GT Fb 302 .84 Gt 350 5.0 Conv.87 ASC Mclaren con,85 ASC Mclaren con.

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Rory McNeil
Gearhead

Posts: 1542
From: Surrey, B.C. Canada
Registered: Nov 2000

posted 11-13-2002 02:39 AM     Click Here to See the Profile for Rory McNeil   Click Here to Email Rory McNeil     Edit/Delete Message   Reply w/Quote
I`m not sure what makes a T5 a "World Class" unit, but I have been using Dextron 11 ATF in the 1986 T5 that I swapped into my 302 Fairmont 6 years ago. I`ve never heard of any T5 using anything else. I normally change the ATF every 2 years, just to be safe.

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78 Fairmont 428 4 speed [email protected]
80 Fairmont 302 5 speed [email protected]
85 Mustang NHRA Stocker under construction, 302 5 speed
59 Meteor (Canadian Ford) 2 dr sedan 332, auto
74 F350 ramp truck 390 4spd

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Stewart
Gearhead

Posts: 9743
From: Monterey, CA Mustangsandmore Member #437
Registered: Apr 2000

posted 11-13-2002 07:07 PM     Click Here to See the Profile for Stewart   Click Here to Email Stewart     Edit/Delete Message   Reply w/Quote
GM Syncromesh transmission fluid. That's what was recommended to me when I replaced my clutch. The stuff works great too.

Stewart

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Dan warren
Gearhead

Posts: 89
From: bothell Washington
Registered: Aug 99

posted 11-15-2002 01:49 PM     Click Here to See the Profile for Dan warren   Click Here to Email Dan warren     Edit/Delete Message   Reply w/Quote
Found this paragraph in the December Mustang Monthly magazine, page 73. An article about T5 transmissions. It shows a picture of the output shafts of two T5 transmissions.

It says, "The output shaft surface is another easy identifier. A WC tranny, like the one of the right, doesn't have oiling grooves cut into the output shaft. The NWC tranny on the left has grooves, which are similar to those found on the old Top Loader four-speed cars. This is why NWC trannies require a heavy lubricant, and the WC trannies demand the lighter Dextron III ATF fluid. The thicker oil is needed in the NWC models because the gears ride on the mainshaft via the oil film. WC models don't require thick lube since they ride on needle bearings. Moral of the story--add heavy lube to a WC tranny and something's going to give in a baaaad way."

I have new AFT fluid in there now; do you think I should change it?

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68 Shelby Gt 500 Conv.68 GT Fb 302 .84 Gt 350 5.0 Conv.87 ASC Mclaren con,85 ASC Mclaren con.

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