Lb7 FCA's with LBZ controller

[Cknight199]

So my lbz has a rail pressure issue, bouncing rapidly at WOT, slowed them down as much as possible and it still is 19k-29k and it gets better if I demand more pulse.

Anyway, my tuner said lb7's are easier to dial in, so I am throwing in stock lb7 FCA's but my question was can they be ran with an lbz controller for my dual fueler kit if he adjusts my tune?


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[dirtydmax]

I have 3 lb7 pumps with lbz regs and works great.downright scary up top.

 

[Cknight199]

But can I use an lbz dual fueler controller with Lb7 fca's


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[Cknight199]

Bump...


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[S Phinney]

The lbz controller is for the lbz computer interface between the signal it gets and splitting it to the pumps. There shouldn't be a problem using the two together. It will require adjustments in the tuning. Why do you want to change to the lb7 regulator?

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[Cknight199]

The lbz controller is for the lbz computer interface between the signal it gets and splitting it to the pumps. There shouldn't be a problem using the two together. It will require adjustments in the tuning. Why do you want to change to the lb7 regulator?

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Thanks and solving a rail bouncing problem.

 

[Harbin_22]

Have you tried any other tuners? What do they have the Desired vs Current MA table adjusted too? Sounds like it is too "open" for the amount of fuel. The reason it gets better with bigger pulse, is the pumps have a harder time keeping up. Lower pulse with alot of pump, it tries to shoot past the desired. Sounds like the regs need to be "closed" down.

 

[JoshH]

Sounds like the PID control tables need to be adjusted to me.

 

[Harbin_22]

Sounds like the PID control tables need to be adjusted to me.

Not gonna lie Josh, your tables helped my LMM out but still have to close down the regs on the big end.