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Home > Help Needed / General Tech Chat > 2 solenoid valves to control boost.

stevieturbo

3594 Posts
Member #: 655
Post Whore

Northern Ireland

8th Oct, 2011 at 12:06:45pm




On 8th Oct, 2011 wil_h said:
I totally agree steve, it may well be the next thing that people start fitting. I know it really helps with the hilclimber.

I used to agree with Ron about controlling boost with the throttle. But what I found is that on a daily driver it used a LOT less fuel having the boost set low, especially when cruising or pootling around in traffic.

But I still don't understand the 3 levels, 2 should be enough, even though 3 will work.


People who say they can control boost on the throttle either have no power, no brain, or are incredibly special.

It's almost impossible. Well unless you are doing on on a flat road or up a hill and going slowly.

In a race environment where you are concentrating on driving etc. You want good usable power delivery, without it being excessive if traction is limited.

Mapping boost either via road speed, TPS, gear, whatever can be a massive advantage to actually going fast.

It's little different to many modern race cars being faster with DBW throttles compared to a manual throttle.
Just because your foot is nailed to the floor wanting to go faster, doesnt mean it's the best place for the throttle blade to be.

Ramping boost up with rpm or other will have benefits for the drivetrain, and benefits for performance. Even if it doesnt feel as nice to the driver because they lose that big rush of torque feeling.

Although obviously it will take a bit of testing

9.85 @ 145mph
202mph standing mile
speed didn't kill me, but taxation probably will

Home > Help Needed / General Tech Chat > 2 solenoid valves to control boost.
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