Adjustable FPR on NA engine?
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3_Series wrote:
This may be a stupid question, but is there any performance benefit to putting an adjustable FPR on a naturally aspirated engine? i.e. is there much tuning that could be done? I wouldn't think so, as unlike a turbo setup there is no large increase in volume of air into the engine creating a need for more fuel, but still the question remains.Sorry if this is a stupid question. I had a BEGI rising rate fuel pressure regulator ($250) worked good for me.
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3_Series wrote:
I have an eprom on the way and maybe some pullies down the road, but thats about it. As to the two options, we don't all have the money to go turbo, and still want to mod our cars. I wouldn't say its quite that simple.How much faster is it really going to make it?
and what would a rising rate fpr do on a N/A car?
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z31 wrote:
I had a BEGI rising rate fuel pressure regulator ($250) worked good for me.
What gains did you get out of this, I'm quite curious? The omly thing I see a Rising Rate FMU good for is when you are turboing a car and are a complete cheap ass, or have no other option for tuning. -
Every good fuel pressure regulator is rising rate. My Aeromotive is a 1:1 rising rate FPR.
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