Has anyone seen or installed a DynoValve?

[EdKiefer]

The problem people are having is the stock OEM PCV system is "closed loop" system, meaning any blow-by gases are not allowed to get to atmosphere .
Since OEM and dyno-valve both are connected to stock intake PCV hose, the max vacuum that can draw blow-by is the same .

This vacuum issue, I can only imagine is slightly lower vacuum at idle conditions as this is were blow-by is generally low, vacuum is high and throttle is low % .

So here I can see if might be able to maintain slightly higher vacuum conditions . how much that affects anything, I don't know. also in affect if adjusted(closed position) to much you might not get enough draw at idle .

does dyno-valve use pressure sensor on crankcase vacuum so it maintains decent amount . you never want to see pressure as this can lead to leaks .

Edit: I forgot to mention modern EFI that has DBW and MAF sensor will keep monitor on any airflow that bypasses throttle body as compared to old carb, throttlebody or even speed density FI systems .
So I have hard time seeing were this would help on modern systems .

[iceQuity]

The Dynovalve is a multi stage vacuum valve and is also made to modulate by a microprocessor.

Blow by gas is undetonated fuel left over from the explosions in the combustion chambers and very explosive.

Can you get more fuel efficiency from recirculating these unburned fuel/ blow by gases more efficiently and a cleaner burner from burning away these emission gases?

Would it be possible?

[Frank Lee]

I've heard records that skip over and over again too.

[t vago]

Originally Posted by iceQuity

The Dynovalve is a multi stage vacuum valve and is also made to modulate by a microprocessor.

OoooOOOOooo!!! You control a valve with a microprocessor! We're soooooooooooooooooo impressed!

Not.

Originally Posted by iceQuity

Blow by gas is undetonated fuel left over from the explosions in the combustion chambers and very explosive.

Which is why a stock PCV valve will slam shut automatically if there's a backfire. It won't ignite those blowby gases if the engine backfires. No microprocessor needed.

Originally Posted by iceQuity

Can you get more fuel efficiency from recirculating these unburned fuel/ blow by gases more efficiently and a cleaner burner from burning away these emission gases?

Would it be possible?

Yes, it's very possible. The method currently used to do this exact thing is called the positive crankcase ventilation system. You might know it as PCV.

So... How again does your magic doohickey manage to make an internal combusion somehow develop a 25% improvement in fuel economy?

[gone-ot]

REMINDER -- in this forum: "...extraordinary claims require extraordinary evidence..."

[user removed]

PCV valves were required beginning in 1963 If memory serves me right. Dang if those blow by gasses were so explosive, why have I not seen any crankcase explosions. I guess the manufacturers must post a no smoking sign next to the dipstick.

The one in the car not the one in this thread .

regards
Mech

[Superturnier]

I suggest that Savicorp should send a free dynovalve sample to one of the active ecomodders for testing.
It's the only way to convince us that it saves fuel.

I definitely will not spend a 400$ for a system which will do the same recirculation as my present system does.

By the way, savi means clay in my home language.

[EdKiefer]

Originally Posted by Old Mechanic

PCV valves were required beginning in 1963 If memory serves me right. Dang if those blow by gasses were so explosive, why have I not seen any crankcase explosions. I guess the manufacturers must post a no smoking sign next to the dipstick.

The one in the car not the one in this thread .

regards
Mech

especially since any unburnt fuel would mix with the cloud of crank case oil mist that happens when engine is running .

[jakobnev]

I think it's time to introduce:

[iceQuity]

Non empirical evidence and data... just Dynovalve Testimonies

[link removed by admin]