Anyone run synthetic in their 727?
#290963
04/17/09 09:36 AM
04/17/09 09:36 AM
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Joined: Nov 2004
Posts: 226
lino lakes,MN
onebaddakota
OP
enthusiast
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OP
enthusiast
Joined: Nov 2004
Posts: 226
lino lakes,MN
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Just wondering if it's worth it. I read an old article about switching all fluids(tranny,rear engine) over to synthetic and picking up a tenth.
Tom
10.56 at 125.6, with a 1.43 60 ft.
E85, Hyd. Roller 410 magnum,full exhaust, 3500 race weight.
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Re: Anyone run synthetic in their 727?
[Re: hemi471]
#290971
04/17/09 07:02 PM
04/17/09 07:02 PM
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Joined: Jan 2003
Posts: 4,616
Kissimmee Fl.
dusturbd340W5
master
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master
Joined: Jan 2003
Posts: 4,616
Kissimmee Fl.
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Quote:
Depends who you ask, the old-timers will say to run cheap type F, I use Amsoil Super Shift.
i am running the this also [the super shift]
Last edited by dusturbd340W5; 04/17/09 07:03 PM.
70 duster full chassis super pro 416 CNC Indybrock heads 727 w/brake
best so far 1.212 60 6.219 in 1/8 at 110.88 9.768 at 137.81 1/4
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Post deleted by Defbob
[Re: KatFysh]
#290974
04/18/09 02:51 PM
04/18/09 02:51 PM
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Anonymous
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Anonymous
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Re: Anyone run synthetic in their 727?
#290976
04/18/09 10:54 PM
04/18/09 10:54 PM
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Anonymous
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Anonymous
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Quote:
A prominent Torqueflite builder on this board told me he doesn't recommend synthetic trans fluid because its too slippery, and will glaze the clutches over time.
thats wrong, a premier tranny builder showed me clutches with ATF+4 synthetic compared to a conventional tranny fluid, same car & same trans., different fluids, ATF+4 clutches looked like new and the fluid was nice and red, the cnventional fluid was a little brown and clutches were worn.
i now use ATF+4 in my aluminum drum low gear set 727 and the clutches look like brand new and 4 seasons,and going strong.
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Re: Anyone run synthetic in their 727?
#290977
04/19/09 09:08 AM
04/19/09 09:08 AM
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Joined: Jan 2003
Posts: 5,991
Anoka County, MN
Leigh
master
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master
Joined: Jan 2003
Posts: 5,991
Anoka County, MN
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Quote:
Quote:
A prominent Torqueflite builder on this board told me he doesn't recommend synthetic trans fluid because its too slippery, and will glaze the clutches over time.
thats wrong, a premier tranny builder showed me clutches with ATF+4 synthetic compared to a conventional tranny fluid, same car & same trans., different fluids, ATF+4 clutches looked like new and the fluid was nice and red, the cnventional fluid was a little brown and clutches were worn.
i now use ATF+4 in my aluminum drum low gear set 727 and the clutches look like brand new and 4 seasons,and going strong.
Apples to oranges. The test would have to be of a controlled nature. i.e., same clearances, type and number of discs, same valve body, same car, same launch, same driver, same driving style and same service interval. I highly doubt this has been documented, thus, to quote a board member, "anecdotal". 
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Re: Anyone run synthetic in their 727?
#290978
04/19/09 09:13 AM
04/19/09 09:13 AM
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Joined: Jul 2008
Posts: 30,474
Florida STAYcation
dOc !
The village idiot's idiot
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The village idiot's idiot
Joined: Jul 2008
Posts: 30,474
Florida STAYcation
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Quote:
A prominent Torqueflite builder on this board told me he doesn't recommend synthetic trans fluid because its too slippery, and will glaze the clutches over time.
And me-thimks more importantly .... the front band.
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If thats the case, can I just drain the Amsoli and add the ATF and call it good or does the trans have to be totally gone through and have everything flushed? 
