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Old 04-03-2005, 12:53 PM   #1
Scooby Newbie
Member#: 83364
Join Date: Mar 2005
Location: Denver Colorado
1995 Impreza

Default Pulley set with Automatic

Anybody installed a light weight pulley set on a 2.2 with an automatic transmission?

Seams as though the biggest gain is the way the car shifts. How does this affect the automatic?

I just want to avoid loosing anything such as: smooth shifting, fuel economy, general drivability.
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Old 04-03-2005, 02:47 PM   #2
Scooby Specialist
Member#: 20444
Join Date: Jun 2002
Chapter/Region: MAIC
Location: Wilmington, DE|Berkeley
2006 Outback 2.5 XT
Garnet Red Pearl 5MT


Installing MrJosh's lightweight pulley really made a huge difference on my 2.5 4EAT. Shifting is still as smooth as before, but when the torque converter unlocks and you downshift, you really feel it! Drivability is much improved. This was one of my first mods and I would recommend it to everyone.

As for fuel economy, had I been driving it normally, it probably would have been the same-- I was too busy stomping on it all the time to really care
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Old 04-03-2005, 07:10 PM   #3
Scooby Specialist
Member#: 6178
Join Date: Apr 2001
Chapter/Region: MAIC
Location: Singletracks
98 GM67 + 03 SG6
2 whls > 4 whls


Installed a ProECM lightweight set on my 2.5L 4EAT, and the biggest improvement would be how quickly the car climbs through the rev band. It no longer takes forever and a day to get into the power band when downshifting, or just accelerating through traffic. I liken it to installing a lightweight flywheel in a manual transmission car.

Definitely worth it. Especially since the stock crank pulley weighs in at 6.5 lbs or so, and a light weight pulley is around 1 lb, the gains are awesome. Nothing earth shattering, but definitely worth it to try and speed up a 4EAT.

Gas mileage wise, I'm not sure. Didn't see anything huge on differences, though I always seem to have a heavy foot and this doesn't help it.

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