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jon3k 04-25-2002, 03:33 PM I want to drop my 255lph walbro in this weekend, but I'm worried i'm going to overwhelm the factory regulator. I've got a fuel pressure guage, so I can take a reading and check, just wondering if you guys could save me the trouble. So, will I need to "upgrade" my fuel pressure regulator for sure? HaulinSentra 04-25-2002, 04:28 PM you dont need to upgrade the FPR unless your going with more than the stock 43 or somthin psi... just drop the pump in. NX$paniard 04-25-2002, 06:55 PM from what i have heard the fpr upgrade is only needed if you run the 4 bar program.. although i think its neat to have the option to tweak your fuel psi here and there just to experiment... LaRocca Racing 04-25-2002, 10:42 PM hey jon you dont need the fpr unless running boost or nitrous i have one on my car but i also run a 125 shot btw we need to get up sometime... tony-pcola fl jon3k 04-26-2002, 10:22 AM Originally posted by sr20det hey jon you dont need the fpr unless running boost or nitrous i have one on my car but i also run a 125 shot btw we need to get up sometime... tony-pcola fl Yeah, its running nitrous :D I'll give you a ring this weekend for sure tony, i've gotta see that car of yours :D | ||