How much does a 237 reg help if at all?

[87gninpa]

i picked one up from the junkyard and put it on the car just for kicks unitl i get an adj FPR. Does it help at all? JUst wondering

 

[scottyb]

Yes it does, and is needed for most basic chip upgrades (Thrasher 92, and RA93). Ultimately, your WOT O2's would help determine. I have had a used 237 on my car for over 2 years now, and easily swapped RA93, T92 and T100(w/alky).