Thread: JDM EJ20 Specs
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Old 01-06-2016, 04:58 PM   #29
Scooby Newbie
Member#: 436694
Join Date: Dec 2015
Chapter/Region: BAIC
Location: Santa Cruz CA
2002 WRX
Aspen White


I have a JDM EJ205 with single avcs I imported through a ebay seller with less then 50xxx yada yada.... After contacting several tuners in California Including Cobb Tuning about using a Access Port for the motor, they highly recommended NOT running a Cobb Acess Port. They told me to run a opensource tune and get a base map off of a tuner (which i did through Torqued Performance) because of the difference in compression ratio and the new sensors involved in the avcs motor. The tuner recommended purchasing if i could a avcs harness and ecu to reap the benefit of the avcs which im in search of now.... I was able to install the motor WITHOUT swapping cam gears OR intake manifold like i had previously read in another thread, and run a usdm harness and ecu and it runs fantastic. I did the standard replacement of the timing belt, pulleys, water pump and thermostat. I have not got it on the dyno so as far of loss in power or gains I cannot tell. Hopefully i will have a response soon.....
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