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Dodge Competition and Performance General Dodge Competition and Performance Discussion |
06-21-2019, 06:14 PM
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#1
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Name: fosterriley
Title: Just wanna go fast
Status: Not Here
Join Date: Apr 2015
Location: Oakdale/Bozeman
Member`s Gallery
Posts: 169
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HELP Sluggish lockup 27 spline swap
Sluggish lockup after 27 spline swap
Having issues with a sluggish lockup with a 27spline TCS magnum shaft setup.
The issue we think we are having is slow fluid release from the converter so going into lockup is slow. Once in lockup it’s solid.
Could this be the clearance on the stator and shaft or could it be the type of seal used?
The seal on the input shaft used is a plastic Carmel colored hard seal.
The clearance that the stator was opened up is .0120
After speaking with TCS the common amount they have the stators opened up to us .0075
Would this play a roll in this? Would like to know before we tear the trans out.
Line pressure is 187 CRT valve body.
Spec Rite billet 3disc dampened converter 2400 stall. Everything worked flawless before shaft and converter swap. Nothing else was changed.
any input on this?
Sent from my iPhone using Tapatalk
__________________
2006 5.9 HX60, Steed, Exergy 250%, GPD Fuelboss, dual pumps, Cope Billet 48re valvebody, CA tuned
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06-24-2019, 04:25 AM
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#2
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Name: Big Blue24
Title: Comp Diesel Sponsor
Status: Not Here
Join Date: Jan 2008
Location: Cedar City, UT
Member`s Gallery
Posts: 6,310
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Magnum shaft has a smaller diameter on the tip of the shaft at the sealing surface, if Spec Rite used a standard 47/48re converter seal, it's too big but about 025" and will burn up the lockup clutches quickly from weak apply.
__________________
95' 2wd Junker Drag Truck
1502 HP Fuel-Only 12mm P7100 Pump
SXE 472 over GTX55 116mm
OEM 12v Block
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06-24-2019, 08:30 AM
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#3
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Name: Poulina
Title: Too Much Time
Status: Not Here
Join Date: Dec 2015
Location: Norcal
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Posts: 795
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im sorry to say this but i would ditch the 27 spline, not enough fluid flow around the stator to drain back from the converter hence laggy lockup.
this is literally one of the reasons matt santjer came out with his design...
__________________
2008 QCLB 6.8 48re Suncoast PCS, DDP supermentals, forcedinductions 467/87, Hamilton 188/220, Carrillos, studded mains w/stock girdle
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06-25-2019, 02:11 PM
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#4
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Name: fosterriley
Title: Just wanna go fast
Status: Not Here
Join Date: Apr 2015
Location: Oakdale/Bozeman
Member`s Gallery
Posts: 169
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Quote:
Originally Posted by Big Blue24
Magnum shaft has a smaller diameter on the tip of the shaft at the sealing surface, if Spec Rite used a standard 47/48re converter seal, it's too big but about 025" and will burn up the lockup clutches quickly from weak apply.
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Spec Rite used the seal and hub directly from TCS so I dont think this is the issue.
__________________
2006 5.9 HX60, Steed, Exergy 250%, GPD Fuelboss, dual pumps, Cope Billet 48re valvebody, CA tuned
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06-25-2019, 08:25 PM
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#5
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Name: kole32
Title: Too Much Time
Status: Not Here
Join Date: Oct 2012
Location: Knox, IN
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Posts: 569
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Quote:
Originally Posted by fosterriley
Spec Rite used the seal and hub directly from TCS so I dont think this is the issue.
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Have you called and talked to john ? We were doing some testing with my truck with his Valvebody.
Sent from my iPhone using Tapatalk
__________________
1993 w250, 215hp pump benched by Seth. 5ks. Hamilton valve springs, colt 181/218 cam, fire ringed head. Airdog 150 at 45psi torktek ofv 6x16 injectors, timing is roughly 30*. S366 soon to have a s475 with it.
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06-26-2019, 04:56 PM
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#6
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Name: fosterriley
Title: Just wanna go fast
Status: Not Here
Join Date: Apr 2015
Location: Oakdale/Bozeman
Member`s Gallery
Posts: 169
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Quote:
Originally Posted by kole32
Have you called and talked to john ? We were doing some testing with my truck with his Valvebody.
Sent from my iPhone using Tapatalk
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Yes I have spoken with John about it. What testing are you doing?
__________________
2006 5.9 HX60, Steed, Exergy 250%, GPD Fuelboss, dual pumps, Cope Billet 48re valvebody, CA tuned
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