2,23 ltr type 4 turbo build-up

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

Post by Wally » Sun Oct 01, 2017 3:29 pm

So, after many fights with clutches, starter motors and the brake system, I finally have things working 'normally', so some street test runs could be made and for the first time in 5 years it was outside again getting some fresh gas 8)

Image

Hopefully inspection and an alignment (and a little drop to the coil-overs) to be road legal again in coming weeks :D
Then off to the dyno for a N/A base map figure.
T4T: Type 4 Turbo engine, under construction

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

Post by Trond Dahl » Sun Oct 01, 2017 3:56 pm

Looks good Walter! I’m sure it was great to get it rolling the streets again
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petew
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Re: 2,23 ltr type 4 turbo build-up

Post by petew » Sun Oct 01, 2017 7:04 pm

Yay! I hope you're scaring the locals. :lol:

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

Post by Piledriver » Sun Oct 01, 2017 9:23 pm

Cool, cars are (usually) always happier being driven.

Which motor this time?
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Udo Airbus
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Re: 2,23 ltr type 4 turbo build-up

Post by Udo Airbus » Mon Oct 02, 2017 1:47 am

Ah yes, welcome back on the streets! Next on the track?
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 » Mon Oct 02, 2017 4:24 am

Udo Airbus wrote:
Mon Oct 02, 2017 1:47 am
Ah yes, welcome back on the streets! Next on the track?
Tnx! Inspection and dyno N/A first, then completely redoing most and adding turbo parts...

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

Post by Wally » Mon Oct 02, 2017 4:38 am

Yes, its loud in N/A form Pete! So some scaring is inevitable :mrgreen:
Piledriver wrote:
Sun Oct 01, 2017 9:23 pm
Cool, cars are (usually) always happier being driven.

Which motor this time?
Its the long term all-new T4 motor with Okrasa 74mm crank (same you run), 98mm bore with thick wall alu cylinders, billet (Thorsten Pieper) heads with 48x41 Ti valves, Pauter cam (between a 86B and a 86C for comparison) with straight cuts, mild compression for N/A, but high for a turbo engine (1:9-ish), 48mm TB's and a 1 3/4" exhaust from VWspeedshop.
I think the large holes in the intake may be not so good for airspeed and the resulting torque, so I am indeed really curieus what the end result of this version 2,2 ltr engine is!
The former 2,2 ltr engine with the really nicely ported Original casting 914 2.0 heads (and lower CR) made 172 hp when I reverted it to N/A form.
T4T: Type 4 Turbo engine, under construction

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

Post by mactaylor » Tue Oct 03, 2017 2:19 am

Hi Wally! Was your old 2.2 172hp at the wheels?

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

Post by Wally » Tue Oct 03, 2017 4:20 am

mactaylor wrote:
Tue Oct 03, 2017 2:19 am
Hi Wally! Was your old 2.2 172hp at the wheels?
No, at the crank. That figure in whp for a very low compression and very mild cammed engine with a 'stuck-together' exhaust, would otherwise have been extremely spectaculair ;-)

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

Post by mactaylor » Sat Oct 07, 2017 2:32 pm

Wally wrote:
Tue Oct 03, 2017 4:20 am
mactaylor wrote:
Tue Oct 03, 2017 2:19 am
Hi Wally! Was your old 2.2 172hp at the wheels?
No, at the crank. That figure in whp for a very low compression and very mild cammed engine with a 'stuck-together' exhaust, would otherwise have been extremely spectaculair ;-)
It was spectacular when boosted!

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

Post by Wally » Sat Oct 07, 2017 2:47 pm

mactaylor wrote:
Sat Oct 07, 2017 2:32 pm

It was spectacular when boosted!
I agree! Hopefully this engine will be even more interesting when boosted. I have tried most everything to make it even better, so I have great anticipation as you might understand :wink:
Coming wednesday inspection for road legality, alignment and hopefully a dynorun N/A :)
T4T: Type 4 Turbo engine, under construction

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

Post by mactaylor » Sat Oct 07, 2017 4:40 pm

Should be interesting! Cant wait for the updates!

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

Post by Wally » Tue Oct 17, 2017 5:00 pm

The shop appointment was partly succesfull (got another 2 year valid inspection, yeah!), but the car ran with weird lambda values all over the plce and was holding back audibly, especially when she warmed up some more...?
So, you could hear her struggling, still made 170hp at 6000 RPM when the dyno operator stopped the run exactly there. Torque was just at its peek at this RPM, which is unusually high up the rev range of course.

Now investigating what went wrong. I suspect something a new engine set-up would do like electrical interference or something :roll:
I'll keep you guys updated ;-)

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I am also considering individual coils for space reasons and less risk of interference... That coil there in the middel needs to go anyways when I convert to turbo as its very in the way of things.
Anybody experience with these?: https://www.ampefi.com/product/ign-1a-race-coil/
These require special ignition leads also I think? (which ones, where to find those)
T4T: Type 4 Turbo engine, under construction

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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 17, 2017 6:10 pm

I have 4 of them in boxes and will use them someday. I have only heard good things about them. I don't have wires for them yet.

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

Post by Piledriver » Tue Oct 17, 2017 9:47 pm

Those coils rock, variants of the Mercury offshore motor coils. someone here is running those, one of the boys from Idaho if gray matter is still working, Steve Ardnt I think.
I, for one, regularly embrace our new robot overlords, as I am the guy fixing the robots...

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