Thread: What Adjustable FPR are you running and where did you get it?
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Old Feb 19, 2011 | 07:13 AM
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Epstein
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I ran stock FPRs on all of my cars. I even had a Defi fuel pressure gauge on the fast car to keep an eye on it and it never had an issue.
- S13 with big Tomei pump and 740's
- S13 with Walbro and 370-480-550's
- S14 with Walbro and 550's
- S14 with TT Supra pump and 550's
All on stock regulator with no problems for over 7 years now.

That's a great tip, Miataspeed! I tapped the stock rail an inch back from there 1/8"NPT for the fuel pressure sender. Never had an issue and the rail was plenty thick right there.
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