Rising Rate FMU or 1 to 1 regulator.

[69ls1]

I have a stage 1 RCC kit set at 10 psi of boost. I am maxing out my duty cycle for the stock injectors. I am switching to the S2000 injectors. My tuner recommended removing the rising rate FMU and going with an Aeromotive 1 to 1 regulator. Does this seem to be the right thing to do? Will it be better with the 1 to 1 as far as getting a more accurate tune? What are the pros and cons of either?

Thanks.

 

[boosted]

I agree with your tuner. The best bet would be to keep your stock injectors and also add secondares.

 

[cdhoroho]

you cant tune enough with a 1:1 and s2000's
you would still require an FMU

 

[69ls1]

+1. Your correct. I talked to Richard at RCC this evening and he said the same time. Thanks for the response.

 

[MET]

Rising rate is safer. However as Boosted said best is secondary injectors if you can get them. I like to go slightly below s2000 injectors for a better all around ride. I have tested everythig from stock up to s2000. I had a set made by RC enginering slightly less then the s2000 injectors.

 

[69ls1]

Just got all tuned with the s2000's. Seems just fine on the dyno. Now I can get the true test on the street as soon as the rain stops.