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TreeMaster®
Racing
Torque Converters |
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Treemaster® Racing Torque Converters
Billet Stators now available for
all 8”, 9” & 10” race converters!
| Are you looking
for a new torque converter for your drag
racing needs? There are absolutely no compromises
with ATI sprag-equipped Treemaster®
racing torque converters! Unlike other torque
converter manufacturers that use refurbished
OEM parts, ATI uses all new components.
In fact, ATI is the only independent company
that has this capability. Because of its
ability to control all aspects of the manufacturing
process, ATI has the advantage of designing
each component for optimum efficiency and
total durability.
Each Treemaster® racing torque converter
is custom configured to your exact application
to put the power to the ground. It’s
the perfect compliment to an ATI drag race
transmission.
ATI Treemaster Torque Converters include
such features as the “C” series
roller clutch, anti-ballooning plates, centerless
ground hub, inner blade support, Torrington
bearings and furnace brazing. They’re
drag race quality units designed for optimum
performance and reliability, run after run!
Since ATI maintains an ample supply of new, in-house built components required
to custom-build a torque converter to the exact needs of the customer, many
orders can be turned-around the following business day after it arrives.
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Converter Specs |
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Furnace
brazed impeller and turbine fins
•
Precision pump drive tube
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Heavy duty needle bearings
• Investment
Cast Cover (MRT only) |
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ATI's Treemaster® Racing
Torque Converter
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Treemaster® Race Torque Converters
| Transmission
Application |
8" |
10" |
Part
Number |
Price |
Part
Number |
Price |
| GM
Powerglide |
208500 |
$1199.00 |
— |
— |
| GM
TH350 & TH400 |
408500 |
$1199.00 |
408360 |
$1049.00 |
| GM
700R4 / T200 - Non-Lock Up |
708500 |
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| Ford
C-6 - 1.848" Standard* |
608500 |
$1299.00 |
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| Ford
C-4 - Standard |
649500 |
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| TF727
- Chrysler |
729500 |
$1299.00 |
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— |
| TF904
- Chrysler |
909500 |
$1299.00 |
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— |
* 4-Speed Pilot size (1.83") also available
• DEDUCT $100 for Spragless option
• ADD $175 for Mechanical Diode.
Treemaster® MRT Race Torque Converters
Minimum Reaction Time option - great for transbrakes, turbo & NOS! Quick and Consistent reaction times are the key
to winning rounds and races! Many factors affect
your reaction time but most people do not realize
a torque converter is a very big part of that. MRT
stands for Minimum Reaction Time and is one of our
most popular drag racing torque converter lines.
Most of these race torque converters have the unique
designed cast steel front cover and we have optimized
new stator designs on hand. ATI has 30 years of
hardcore racing information compiled on different
combinations and will know what your car needs,
the first time!
| Transmission
Application |
8"
- (-3.5" STROKE) |
8"
- (+3.5" STROKE) |
10" |
Part
No. |
Price |
Part
No. |
Price |
Part
No. |
Price |
| GM
Powerglide |
— |
— |
208800 |
$1199.00 |
— |
— |
| GM
TH350 & TH400 |
408700 |
$1199.00 |
408800 |
$1199.00 |
408390 |
$1095.00 |
| Ford
C-4 - Standard |
— |
— |
649800 |
$1299.00 |
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| TF727
- Chrysler |
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— |
729800 |
$1299.00 |
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| TF904
- Chrysler * |
909700 |
$1299.00 |
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* 3.6 +/- stroke on 8" Treemasters
• DEDUCT $100 for Spragless option
• ADD $175 for Mechanical Diode
Bolt Together Treemaster® Converters
- 8" & 9" with Lock-Up option
ATI now offers Bolt-Together and Lock-Up versions of their popular Treemaster and
MRT Converters. For racers who frequently send out their converters for stall changes
or overhauls, they will save both time and money by having the option to service and
adjust the converter themselves – at home or at the track! Each unit comes with a billet aluminum rear cover, stator, brazed turbine and pump half. ATI offers several different stator options specific to converter size. 8” pumps are adjustable and ATI offers pump
options for 9” & 10” converters allowing for a multitude of possible combinations. ATI also offers a range of Lock-Up Bolt-Together Converters that provide 0% slip, minimum ET and maximum MPH!
• Double O-ring seals
• Requires just half the assembly bolts of other bolt
together converters keeping the largest diameter of
the converter as light as possible
• Average Weight savings on an 8" unit is 2.5 lbs, and
4.3 lbs on a 10" unit
•
NEW - Billet stators are
standard on all 9” (245mm)
converters! |
GM Applications
| Description |
8" |
9" |
Part
# |
Price |
Part
# |
Price |
| Bolt Together |
408850 |
$1895 |
408950 |
$2195 |
Bolt Together
with Lock-Up |
408851 |
$2895 |
408951 |
$3195 |
TF727 Applications
| Description |
8" |
9" |
Part
# |
Price |
Part
# |
Price |
| Bolt Together |
729850 |
$1995 |
729950 |
$2395 |
408850 ONLY comes standard w/Spring & Roller Sprag
• DEDUCT $100 for Spragless option
• ADD $100 for Fuel Element Sprag
• ADD $175 for Mechanical Diode
408851, 408950, 408951, 729850 & 729950 come standard w/Fuel Element Sprag
• DEDUCT $100 for Spragless option
• ADD $175 for Mechanical Diode
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Billet Aluminum Stators are now available!
ATI is proud to offer billet aluminum stators with various designs, great for many different
types of racing. ATI’s new full 5 axis machine is able to make a true airfoil blade, as opposed
to the flat shape of most steel and other welded stators. The airfoil shape causes the fluid to
increase in speed as it passes over the blade. Torque multiplication is far greater, producing
free energy and coupling is better down track. These are available in numerous blade numbers
and angles that match ATI’s original cast aluminum stators, great for Stockers and Super
Stockers looking for every little number. The second version, each blade is flat, allowing for
more blade options and angles for other forms of racing. ATI can manufacture flat blade
designs, with as few as 7 blades and up to 23 blades. with blade angles ranging from 29° to
75° great for small tire and big tire tuning as well as bracket racing. Compared to steel stators,
ATI’s billet aluminum stators are lighter by 60%, which lowers the inertia of the spinning unit,
decreasing the load on the sprag or diode when it has to stop the stator helping with longevity.
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Torque Converter Freshen-Up
and Overhaul Services from ATI
To retain the superior quality
and performance of your ATI Torque Converter,
return it directly to ATI for rebuild or repair.
The basic overhaul consists of a complete
torque converter breakdown. Each part is inspected
and cleaned and new bushings and bearings
are installed. Approximately 95% of all converters
are typically rebuilt and shipped within 48
hours after being received.
Freshen up prices start at $249.00. This price
does not include replacement of hard parts,
stall changes or converter upgrades. Freshen-ups
for non-ATI Converters start at $295. No warranties
or guarantees are offered on non-ATI units.
Download
our Torque Converter Overhaul sheet here
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