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Old 02-28-2010, 07:45 PM   #3
Scooby Specialist
Member#: 184977
Join Date: Jul 2008
Chapter/Region: South East
Location: TN
99 Impreza RS
'13 BRZ


Originally Posted by JDMFLCL View Post
So originally I was going to get a Z32 MAF to just give my car some headroom, but a EJ20K MAF w/ pigtail showed up for a good price. Since both of them are 80mm, the 20k MAF should plug in. The 20k MAF also has the pigtails so that makes soldering it in easier.

My main question is, is the EJ20k MAF scaled to the same degree as the EJ20G MAF? I'm going to get my car tuned with my PowerFc soon and I am wondering If the MAF scaling will need to be changed? It looks like this is an extremely common swap over in the UK, but information is lacking here. I know with the Z32 MAF, the ECU needs to be rescaled, but does the EJ20K MAF necessitate the same thing?

Edit: Is it the same as the Z32 Maf?
there are two different 20k maf's...the EDM is 80mm but the JDM is 90mm...the 80mm version is comparable to a z32 but the 90mm version is comparable the Q45
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