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The
enhanced 4eat Phase I four speed automatic transmission was
used in Subaru vehicle model years starting in 1990 and
ending in 1998. The quantities of clutches in the
clutch packs of the factory units varies by model with
higher output engines and heavier vehicles requiring more
clutches in certain clutch packs. The original
equipment transmissions used in the Subaru SVX, our
specialization, have the highest clutch count and torque
carrying capacity. 4.11 and 4.44 ratio transmissions
used in other Subaru models came with weaker clutch packs
but can be used in an SVX (requires changing rear
differential gear and a modified TCU) when the clutch packs
are properly modified for the application. In our transmissions we
increase the quantities of clutches in the packs which
typically slip/fail to hold
much more torque than the best factory 4eat ever could.
We also use a more advanced clutch material with a higher
coefficient of friction to further reduce slippage under
high load and with much higher resistance to wear. We also
increase the apply pressures presented to the clutch packs
to further increase their torque carrying capacity.
The combination of all 3 measures together greatly reduce
slippage and as a result transmit more engine torque to the
wheels while greatly reducing wear to the transmission.
A quality remanufactured torque converter of OE specs is
included with each transmission. The transmission is
shipped in a
well engineered crate, the box section of which
removes in one piece after removing the screws along the
bottom edge.
The boxed, new
torque converter sits on a shelf/brace which aligns and
braces the transmission inside the crate.
When a transmission is being shipped to you before you have
provided a core unit to rebuild there is a $750 core
charge/freight deposit. The core is then shipped
back in the same crate the rebuilt transmission was shipped
in (which can be done on our freight account). The
actual cost of freight will then be deducted from the core
charge/freight deposit and the difference refunded unless
there is hard parts damage in the core unit. Hard
parts damage is rare but it does occur. It is almost
always evidenced by pieces of roller bearings being found in
the pan so it can be checked for up front.
We've found that supercharged SVXs can and do sheer the
inner transfer clutch drum off of the drive gear. For
extreme output applications like this we offer and recommend
a modified drive gear and transfer clutch drum assembly.
Warranty notice: Should your performance rebuilt 4eat
transmission fail to operate correctly when first installed
you may return it to ECUtune, Inc. for repair. If a
defect in our rebuild is found the repair will be made free
of charge. If damage is a result of installer error
repair will be made at customer's expense. ECUtune,
Inc. is not responsible for any incidental expenses (i.e.:
freight, labor, fluids, etc.). No warranty is made or
implied past the date of installation. Refunds will
not be given under any circumstance. |
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