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DRR Trophy
Picture of ROLLIN'
posted
I have my trans apart and have a question about my dual ringed servo. I have the split ring plastic/nylon, not-cast ring seals. They are NOT O-rings, just square cornered and split. I need new ones, my question is, are these just standard ring seals I can get at the auto parts store? Or are these specialty units from FTI, ATI, TCI etc ??

This message has been edited. Last edited by: ROLLIN',
 
Posts: 25 | Location: .002 next to you | Registered: May 26, 2011Reply With QuoteReport This Post
DRR Sportsman
Picture of TD3550
posted Hide Post
If you are doing a bench job, update the servo assmy to a Sonnax unit. This corrects the pin bias issues that have plagued the glides since birth. Reg parts store? I doubt it.
Jegs and Summit sell the seals also by them selves.This servo kit helps tremendously with band life. Best money you will ever spend.

Kit

https://d2q1ebiag300ih.cloudfr...-IN.pdf?v=1552420961

This message has been edited. Last edited by: TD3550,
 
Posts: 1421 | Location: Under a Truck | Registered: August 23, 2013Reply With QuoteReport This Post
DRR Sportsman
Picture of 57 Vette
posted Hide Post
These are special Teflon rings from FTI,TCI or ATI or Sonnax. I like to use one Teflon and one Metal ring in the Servo. Since the Teflon rings seem to wear out faster then the Metal ones.Also it is a good idea to upgrade to the newest servo from Sonnax to correct the Pin Bias effect the P/G have had since birth. Like TD3550 recommended. Smart-Tech Ratio-Style Servo Kit #28821-10K is the one you need and want.

IHRA ACDELCO Canadain Nationals
Top/et Iron man Champion Wink
Don Davis 57 Corvette Super Gas roadster Cool
SDPC 582 Head Hunter on Alcohol

This message has been edited. Last edited by: 57 Vette,
 
Posts: 268 | Location: Toronto Ont/Surprise AZ | Registered: August 18, 2003Reply With QuoteReport This Post
DRR Pro
posted Hide Post
This is the Sonnax servo upgrade mentioned above
https://www.sonnax.com/parts/4...-servo-pin-cover-kit

The Teflon sealing rings are aftermarket as mentioned.


Larry Woodfin



 
Posts: 1873 | Location: Kilgore TX | Registered: March 12, 2004Reply With QuoteReport This Post
DRR Pro
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about the servo upgrade, while it is true we raced many years with the OE servo design the Sonnax kit is a good, low-cost upgrade.


Larry Woodfin



 
Posts: 1873 | Location: Kilgore TX | Registered: March 12, 2004Reply With QuoteReport This Post
DRR Trophy
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Sonnax 28821-20k is the supported pin servo system which should be standard in every pg built to correct the inherent problems with this trans. 28821-10K is another option if you want something a tad bit fancier with a few added options. I also like to use 1 metal ring and 1 Teflon ring supplied just by preference.
Yes we did use stock stuff for years and guys still do. With the increased power today and the increased line pressure we run to handle the added power, the servo problem has compounded. Anyone not stepping up to these servo designs is either uneducated or living in the past. Sonnax video clearly shows the data without a doubt in video format for those who dislike reading which really makes the decision easy.
 
Posts: 24 | Location: Ontario Canada | Registered: August 22, 2008Reply With QuoteReport This Post
DRR Sportsman
Picture of TD3550
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^^^^How things up there? Staying busy i hope...
 
Posts: 1421 | Location: Under a Truck | Registered: August 23, 2013Reply With QuoteReport This Post



DRR Trophy
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Ya, lots on the go but not the usual with the current situation. Starting to get back rolling as the tracks are opening to small groups testing now.


Hutch
 
Posts: 24 | Location: Ontario Canada | Registered: August 22, 2008Reply With QuoteReport This Post
DRR Trophy
Picture of ROLLIN'
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Wow thanks guys ! I just learned something. I just ordered the whole kit !
 
Posts: 25 | Location: .002 next to you | Registered: May 26, 2011Reply With QuoteReport This Post
DRR S/Pro
Picture of CURTIS REED
posted Hide Post
I have a data recorder to look at and I would like to know how everyone determines exactly how long it takes to make the shift. Do you just measure the time from shift point to converter fall back?

I have never had a single band problem so how would you determine the need for one of the Sonnax servo kits?



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2017 and 2018 Osage Casinos Tulsa Raceway Park No-Box Champion

2018 Div4 Goodguys Hammer award winner
 
Posts: 3152 | Location: KIEFER, OK. | Registered: August 17, 2007Reply With QuoteReport This Post
DRR Pro
Picture of Alaskaracer
posted Hide Post
My last freshen I added the Sonnax kit. I don't feel anything "seat of the pants" difference, but no reason not to do the upgrade.


Mark Goulette
Owner/Driver of the Livin' The Dream Racing dragster
www.livinthedreamracing.com
"Speed kills but it's better than going slow!"
Authorized Amsoil Retailer
 
Posts: 1542 | Location: Back home in Alaska! | Registered: February 13, 2011Reply With QuoteReport This Post
DRR Top Comp
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Hutch is no salesman for anyone. If Hutch says a product is good, it is.

There'd be a lot of high end 2 speed powerglides for sale over the last several years, if it weren't for these advancements.

Iv'e used all three, Super Servo, Ratio and guided pin, depending on approach.

Line pressure on the low side on the Ripper Nova transmission, makes for a quick shift - guided pin. You can feel the difference easily.

Ringing off input shafts with line pressure on the high side, guided pin and spring kit is the hot ticket.

Good chit.

 
Posts: 9398 | Location: Madeira Beach Fl. | Registered: June 12, 2018Reply With QuoteReport This Post
DRR S/Pro
Picture of CURTIS REED
posted Hide Post
Another question. How many of you log trans pressure?



____________________________
2017 and 2018 Osage Casinos Tulsa Raceway Park No-Box Champion

2018 Div4 Goodguys Hammer award winner
 
Posts: 3152 | Location: KIEFER, OK. | Registered: August 17, 2007Reply With QuoteReport This Post
DRR S/Pro
Picture of Big Steve
posted Hide Post
quote:
Originally posted by CURTIS REED:
Another question. How many of you log trans pressure?


I do, if you see it start to drop you know right away you have a problem developing. I run a Coan adjustable regulator in my valve body and I set it exactly where I want it.
 
Posts: 2547 | Location: Moving back to the door side | Registered: April 30, 2010Reply With QuoteReport This Post



DRR Top Comp
posted Hide Post
quote:
Originally posted by Big Steve:
quote:
Originally posted by CURTIS REED:
Another question. How many of you log trans pressure?


I do, if you see it start to drop you know right away you have a problem developing. I run a Coan adjustable regulator in my valve body and I set it exactly where I want it.


What is that pressure?
Where do you pick up the pressure reading?


.
Dave



F J B

 
Posts: 4569 | Location: Earth | Registered: February 08, 2006Reply With QuoteReport This Post
DRR S/Pro
Picture of Big Steve
posted Hide Post
quote:
Originally posted by imakehp:
quote:
Originally posted by Big Steve:
quote:
Originally posted by CURTIS REED:
Another question. How many of you log trans pressure?


I do, if you see it start to drop you know right away you have a problem developing. I run a Coan adjustable regulator in my valve body and I set it exactly where I want it.


What is that pressure?
Where do you pick up the pressure reading?


A pressure transducer in the 1/8 port on the servo cover. I set my pressure about 280 and its pretty steady between 280-295 during the run.
 
Posts: 2547 | Location: Moving back to the door side | Registered: April 30, 2010Reply With QuoteReport This Post
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