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Onefast99gsx · 10-08-2005

I Found this on another forum: By the sounds of it, the 1g regulator might be than my 2g one anyway. Even if my regulator isn't bad.

From dsmtuners---

Does anyone happen to know if there will be any problems running a stock 1g fpr on a 2g? I only did this cause my 2g regulator went out and was leaking fuel, so I had an extra 1g one laying around. Long story short, i got the 1g regulator on and the car runs just fine... no leaks or anything.

Correct me if im wrong, but doesnt the 1g fpr have a lower psi rating? If so, wouldnt that be better if you had a larger pump, ie 190lph?

Somebody wrote back and said:

yes it runs 38psi instead of the 2g 43psi. but thats not a whole lot of diff it wont hurt your car any as of right now. but you will want to bet a AFPR in the futrue so u can turn it back up to 43psi.

10-08-2005	#5
Onefast99gsx Join Date: Sep 2004 Location: Wisconsin Posts: 1,411	Re: Fuel Pressure Regulator: Question I Found this on another forum: By the sounds of it, the 1g regulator might be than my 2g one anyway. Even if my regulator isn't bad. From dsmtuners--- Does anyone happen to know if there will be any problems running a stock 1g fpr on a 2g? I only did this cause my 2g regulator went out and was leaking fuel, so I had an extra 1g one laying around. Long story short, i got the 1g regulator on and the car runs just fine... no leaks or anything. Correct me if im wrong, but doesnt the 1g fpr have a lower psi rating? If so, wouldnt that be better if you had a larger pump, ie 190lph? Somebody wrote back and said: yes it runs 38psi instead of the 2g 43psi. but thats not a whole lot of diff it wont hurt your car any as of right now. but you will want to bet a AFPR in the futrue so u can turn it back up to 43psi.