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91 SER Richmond, VA
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888 Posts
Discussion Starter · #1 ·
Im only getting 20 mph on average and its killing me for gas. I know one fix is a new o2 sensor, but I dont wanna shell out 60 bucks if it's not going to do much. Im also running a 255 walboro, NA, should i get a FPR and even it out??

-Mike
 

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just workin'
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1,345 Posts
by this point you will probably need both, you should have gotten the adj fpr w/ the pump to start with, now the o2 is probably fouled from running so rich. you should do both, a new o2 will help for a little while but will be ruined again
 

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91 SER Richmond, VA
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888 Posts
Discussion Starter · #3 ·
Alright...any suggestions on a FPR?

-Mike
 

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91 SER Richmond, VA
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888 Posts
Discussion Starter · #6 ·
Alrighty! Thanks...any suggestions on what to set the FPR too?

-Mike
 

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Jah Rastafari
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7,677 Posts
Majestical69 said:
Alrighty! Thanks...any suggestions on what to set the FPR too?

-Mike
Get the Nismo FPR. When you put in a Walbro 255 pump with a stock regulator fuel presure goes up to about 53 PSI with the vacume hose on the regulator. You will need and adjustable regulator to bring the fuel presure down to 36 psi with vacum line on the regulator.

If you get anything else but the Nismo one you will regret it.
 

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4th sr20 and counting..
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2,949 Posts
what about a RRFPR? say an sx performance or something compairable to? sense it has a guage to read pressure i can see what im setting it to.
 
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