Fuel pressure for LS?
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Honda-Tech Member
Joined: Mar 2002
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From: Seattle, WA / Ann Arbor, MI
Hey, I was wondering what the stock fuel pressure for a '98 LS is, with the vacuum hose on or off.
I got Crower 62403 cams in a week ago and the car ran okay, but the CEL was giving me a 45: too rich/lean. I got a B&M FPR and set it to 43psi with the vacuum off and plugged, 33psi vacuum on. It has more power, idles much smoother, sounds much more like it did before I put in the cams, and most importantly the CEL has turned off. YAY!! The thing is, I was an IDIOT and installed the FPR at the same time as the gauge, forgot to check the stock pressure and now it's too late. So I just need some stock numbers, I know every one is different but a range would be good to know. I'm pretty sure I'm running richer now though because cams take in more air right? Thanks for the help.
I got Crower 62403 cams in a week ago and the car ran okay, but the CEL was giving me a 45: too rich/lean. I got a B&M FPR and set it to 43psi with the vacuum off and plugged, 33psi vacuum on. It has more power, idles much smoother, sounds much more like it did before I put in the cams, and most importantly the CEL has turned off. YAY!! The thing is, I was an IDIOT and installed the FPR at the same time as the gauge, forgot to check the stock pressure and now it's too late. So I just need some stock numbers, I know every one is different but a range would be good to know. I'm pretty sure I'm running richer now though because cams take in more air right? Thanks for the help.
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