2,23 ltr type 4 turbo build-up

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Chip Birks
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Re: 2,23 ltr type 4 turbo build-up

Post by Chip Birks » Tue Oct 24, 2017 8:01 pm

I just let my ecu run the show. No seperate controller. I can datalog the HSV DC, although i may run an injector pulse to it this year, since that was my initial plan with it when i built the system.

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andy198712
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Re: 2,23 ltr type 4 turbo build-up

Post by andy198712 » Wed Oct 25, 2017 6:44 am

Is that on or off?

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Chip Birks
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Re: 2,23 ltr type 4 turbo build-up

Post by Chip Birks » Wed Oct 25, 2017 7:53 am

andy198712 wrote:
Wed Oct 25, 2017 6:44 am
Is that on or off?
Mine? No, my pump is on or off, but i have a high speed valve (think fuel injector for water) that is running based on a duty cycle table.

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andy198712
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Re: 2,23 ltr type 4 turbo build-up

Post by andy198712 » Wed Oct 25, 2017 4:35 pm

Smart! Sounds good

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Wally
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Re: 2,23 ltr type 4 turbo build-up

Post by Wally » Wed Nov 22, 2017 5:02 pm

For the clutch upgrade, replacing the twin thin disks with two thick disks (try saying that fast after a few beers haha) so I needed to remove the "spacer" on the flywheel.
This made it a lot lighter (minus 1,2 kg):
Image
T4T: Type 4 Turbo engine, under construction

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Udo Airbus
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Re: 2,23 ltr type 4 turbo build-up

Post by Udo Airbus » Thu Nov 23, 2017 10:23 am

Woow 1,2 KG! thats not much.. What does it weigth with pressure plate and the disks? (looks like a piece of art tho.. )

I know my stock 411 flywheel weight "only" about 7 KG! But for me ok in a Splitcreen..
VW T1 1964 - Mouse Grey - Pearl White OG paint

Bagged, Porsche steeringrack/brakes..IRS, AMR Supercharged 1600 (sold) building a 1971cc EFI turbo/supercharged engine

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Wally
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Re: 2,23 ltr type 4 turbo build-up

Post by Wally » Thu Nov 23, 2017 11:16 am

Hi Udo,
I think you mis-understood: before, this machined flywheel had 1,2 kg more due to an additionel 'rubbing disk' attached to the friction surface. Hence the many small screw holes you can still see.
At this moment - after removal of the 1,2 kg disk - it only weighs 4,2 kg. See scale ;-)

914 flywheels indeed weigh 7,5 kg originally.
This one was made from a Chinese chro-mo 200mm unit. Then machined.
The tilton unit with double disk weighs just 2.0 kg total.

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