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Old February 9th, 2021, 10:55
bajabronco bajabronco is offline
NAXJA Forum User
Join Date: Apr 2013
Location: los angeles, ca
Posts: 251
Re: AEM 50-1220 320lph E85 compatible fuel pump

Thanks for the writeup Mark! I just swapped this pump into my 2000 XJ because of fuel delivery problems after my stroker build. It looks exactly like the stock pump and is an easy swap. One thing I found out in looking for a pump for my XJ is that the Walbro pump WAL-GSS342G3-766 that is said on some sites to be a 255lph replacement for 1995-2001 XJ's is not. The body of the pump is longer as well as the bottom config is different than the stock 97+ pump. The AEM pump is the one to go with. I recommend that anyone who is doing a stroker build look into this swap, since our stock pumps have a problem keeping up on the high end, with bigger injectors.

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