MicroSquirt.com read only forum (Jan.15,2018)

I see what you mean. Although, the problems that I've been having with plug fouling predate the installation of the second fuel pressure regulator.

Thanks for the advice. I'll go back to the stock FPR and see if that helps me in my effort to build a better fuel map.



Then it's not suitable for ...

Ideally, I would. But the adjustable FPR can't do vacuum. It's simply fuel in / fuel out with an adjuster screw for the pressure.

eliotmansfield wrote:That doesn't seem right to me. Why two FPR's?. At the very least they should both be referenced, but ideally bin the 280z one and keep the [referenced] adjustable one.

Just a thought; Are you sure your FPR is referenced to manifold [absolute]
pressure?
I.e. have you got a pipe going from your fuel pressure regulator to your
throttle body?

Eliot.
http://www.mez.co.uk




Yes, I am. Actually, on my setup, there are two fuel pressure regulators. We used a stock ...

Those are 30 lb/hr injectors that I'm using....sorry. But I still don't think those are too big for this application, correct?

I'm going to go back to the VE tables, and start from scratch, then. I'll spend some time testing that, and then I'll check back in. Thanks, Lance!

I have a question about my overall setup, and wondered if you guys had any advice for me.

I'm running MS on a 155 HP, 2.2L Nissan motor that I've installed into a Datsun 510. This car uses a custom manifold that's got Ford Mustang injectors on it (19 lb/hr). The fuel map that I've been playing with ...