ESE's works engine tuner

[Flettner]

Frits Overmars, do you have some news on your new baby?

[diesel62]

Tell me more. What should I look for?

https://www.aecs.net/products/produc...ry.php?catId=2

This is what we use at work. Lots of workshops around NZ are using them. About as good as you can get
I'm not sure where you are based.

Sent from my SM-P555 using Tapatalk

[TZ350]

https://www.aecs.net/products/produc...ry.php?catId=2
I'm not sure where you are based.

Auckland NZ. Great looking gear but way out of my price range but it has got me thinking, thanks.

I see there is a free sample of software to trial that can use the computers audio card. May be useful for developing the Arduino's MAP simulation software.

[Frits Overmars]

Frits Overmars, do you have some news on your new baby?

Nah, waiting for a con rod that got lost in the mail, a proper ignition system and some other things. We revved it to 14.500 rpm and then opened it up for inspection. Everything looked fine, but with the present con rod I wouldn't even dream of exploring the full rpm potential.
Besides, I'm paying for the use of parts and facilities by working on a Volvo engine. I can hardly believe it myself, but seeing my buddy Jeffrey Wiesner wrestle with that lump of Swedish steel is quite rewarding.

[peewee]

frits i didnt know you spend your free time fixing 4t engines

[Frits Overmars]

frits i didnt know you spend your free time fixing 4t engines

There's more in my free time that I wouldn't want you to know about, Peewee. Anyway, don't spread the word; it would ruin what's left of my reputation .

[wobbly]

Thats OK Frits we dont mind cross dressing 2T tuners, not so sure about those with a 4T fetish as well.

[husaberg]

Much the same ilk as KTM's GP bike injection
only for different reasons
https://www.knfilters.com/eci

The K&N Electronic Carburetor Injection, or ECI, is a bolt-on system that adds a supplemental fuel source to your engine. The system consists of a carb spacer plate with a fuel block and injector, an ECU, and a wide band O2 sensor. The plate has a provision for the fuel injector. When needed, the injector squirts atomized fuel into the air stream passing through the spacer plate.
In a way, the ECI system works like an EFI system that reads the air/fuel ratio fed to it from an included O2 sensor that you install in your exhaust. Where this differs from EFI, is that it is used in conjunction with the carburetor. Any time the system detects a lean condition, the injector will kick on to bring the AFR back to spec, but the engine is still fed primarily by the carb. The ECI acts as a supplement to your existing carburated setup, rather than a complete replacement system such as EFI or TBI.

[breezy]

Nah, waiting for a con rod that got lost in the mail, a proper ignition system and some other things. We revved it to 14.500 rpm and then opened it up for inspection; everything looked fine. But with the present con rod I won't even dream of exploring the full rpm potential.
Besides, I'm paying for the use of parts and facilities by working on a Volvo engine. I can hardly believe it myself, but seeing my buddy Jeffrey Wiesner wrestle with that lump of Swedish steel is quite rewarding.

.

What are you hoping for in terms of rpm/bhp.....30000rpm... 70 bhp..

(:

[Frits Overmars]

Much the same ilk as KTM's GP bike injection only for different reasons https://www.knfilters.com/eci

the ECI system... reads the air/fuel ratio fed to it from an included O2 sensor that you install in your exhaust... Any time the system detects a lean condition, the injector will kick on to bring the AFR back to spec

And how is this system going to detect a lean condition? An O2-sensor cannot do that; it can only detect the presence of unused oxygen in the exhaust gases.
If the mixture is so rich that the engine misfires, that O2-sensor will detect O2 and then this wonderful system will enrichen the mixture even more. Been there....

Nah, waiting for a con rod that got lost in the mail, a proper ignition system and some other things. We revved it to 14.500 rpm and then opened it up for inspection. Everything looked fine, but with the present con rod I wouldn't even dream of exploring the full rpm potential.
Besides, I'm paying for the use of parts and facilities by working on a Volvo engine. I can hardly believe it myself, but seeing my buddy Jeffrey Wiesner wrestle with that lump of Swedish steel is quite rewarding.

What are you hoping for in terms of rpm/bhp.....30000rpm... 70 bhp..

70 hp wouldn't be a problem, but 30.000 rpm might be a bit too much for a Volvo...

[katinas]

Interesting difference between RGV 500 70 and 80 degree engines.
On 70, W- reeds is partly masked the way to C on one pair of cylinders.
The last RGV, with 80 degree engine was symmetrical - free way to C on all 4. cylinders.
As I understand correctly, first time they tried W-type reed block was around 1990 on RGV 250 racer.

About rounded piston - tried it on my RGV 250 ( left sharp edge at C) and still walking with feelings that left after tests - front wheel hanging in 4 gear.

[wobbly]

Katinas, what was radius size - and did you move the cylinder ?
The un radiused C port seems to be the real trick to this, but of course if you move the cylinder then the C port timing is then " wrong " compared to
the other ports seeing the radius as effectively opening them sooner.
I want to move on and test some more, but cant see a way forward until this C port and cylinder position is clear.

[_____]

Katinas, what was radius size - and did you move the cylinder ?
I want to move on and test some more, but cant see a way forward until this C port and cylinder position is clear.

How about reducing the c port height?

[wobbly]

Yea I could do that with epoxy, as a test.
But to do it properly would involve dropping the cylinder another increment, then having to grind all the other ports up - a hideous job and ultimately not repeatably accurate.
Especially maintaining the axials.
Or secondly taking off the chrome and welding the boost port roof - again a hideous job.
Very few customers would want to spend the time ,money and effort.

[husaberg]

And how is this system going to detect a lean condition? An O2-sensor cannot do that; it can only detect the presence of unused oxygen in the exhaust gases.
If the mixture is so rich that the engine misfires, that O2-sensor will detect O2 and then this wonderful system will enrichen the mixture even more. Been there....
.

In fairness as a concept it would work better than a holley 4 barrell alone with a guy with a mullet tuning it though Frits.
The way i seen it is some idiot could still set it far to lean and it would auto correct to a correct mixture.