Type 4 turbo: 2,2 ltr: New cooling system

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Wally
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Post by Wally »

Thanks Sandeep, just saw you post now..
Thanks on your comments on injector sizes :wink:
Sandeep wrote: What size of clutch / pp are you using ? Boost control ?
The stock 915 225mm new disk and old pp worked fine with the 2,7, including drag-race starts, so I'll use that for the now. Its proved very strong so far.
Good luck on the project Wally, I don't think you'll ever go back to an N/A motor after driving a turbo ... the power is effortless and always there.
Yes, I read so, but I am VERY weary about aircooled turbo engines holding up on circuit use to be totally honest. I really am after the 'dual/all purpose vehicle you know :wink:
For street driving and drag race now and then, turbo is probably the most easy power there is, I agree. But half an hour full circuit use? :roll:
Well, only one way to find out :lol:
Looking forward to seeing your progress.

Sandeep
Speaking of which...I ordered the CB turbo hats but I also need the filter base plates I found out for them to work well (i.e. not blow out the gasket under the hat) :oops:
Image

And a friend lasercut a 36-1 toothed ring which I had fixed behind the Riechert poulie-wheel. Test fitted it on the 2.0 engine:
Image
T4T: 2,4ltr Type 4 Turbo engine, 10.58 1/4 mi in a streetlegal 1303

"Mine isn't turbo'd to make a slow engine fast, but to make a fast engine insane" - Chip Birks
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Type 4 Unleashed
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Post by Type 4 Unleashed »

Some special head-cylinder sealing technique will be thought of to keep the boost in as long as possible.
WELL, what have you thunk up ???... :lol:
Richard

EMW

“Have you ever noticed how some people never
have the money to do it right, but can always
find the money to do it twice ?”
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Wally
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Post by Wally »

A piano wire! :lol: :lol: :lol:

Merry X-mas! :D
T4T: 2,4ltr Type 4 Turbo engine, 10.58 1/4 mi in a streetlegal 1303

"Mine isn't turbo'd to make a slow engine fast, but to make a fast engine insane" - Chip Birks
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Type 4 Unleashed
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Post by Type 4 Unleashed »

Merry Christmas :lol:
Richard

EMW

“Have you ever noticed how some people never
have the money to do it right, but can always
find the money to do it twice ?”
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jonas_linder
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Post by jonas_linder »

It will work great wally! :)
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Wally
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Post by Wally »

No, I was just teasing Richard, Jonas :wink:
I really can't say at the moment as the machinework has not even started yet. If it can be made/machined, I'll know more. So far, its just an idea.
T4T: 2,4ltr Type 4 Turbo engine, 10.58 1/4 mi in a streetlegal 1303

"Mine isn't turbo'd to make a slow engine fast, but to make a fast engine insane" - Chip Birks
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70dragbug
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Post by 70dragbug »

I think it will perform well on the track and you´re not going crazy on this project so I´m sure it will hold up fine.Armin Klein takes his to the Nurburgring regularly and various trackevents.In the summer it´s his daily driver too..
And since you have a DTA,Armin will be able to help you out, he runs DTA on his aswell :wink:
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Wally
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Post by Wally »

Thanks for the reassuring words :D , but his are not alu 103mm cylinders, but original iron german 94mm bore ones... Still, the lesser heat on the head from the alu barrels and oil squirters for the piston cooling should help a little for me as well I suppose/hope.

Good idea on the DTA maps! I have another friend who drove a 2165cc type 1 turbo with dual TB's also with DTA, so I should be good!
T4T: 2,4ltr Type 4 Turbo engine, 10.58 1/4 mi in a streetlegal 1303

"Mine isn't turbo'd to make a slow engine fast, but to make a fast engine insane" - Chip Birks
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Type 4 Unleashed
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Post by Type 4 Unleashed »

Wally wrote:Thanks for the reassuring words :D.. so I should be good!

No you wont be good, the Piano wire wont work for you, when the Piano wire starts resonating, it will shatter those Aluminum cyl's.

I've been thinking out another sealing idea, at least for me.
Richard

EMW

“Have you ever noticed how some people never
have the money to do it right, but can always
find the money to do it twice ?”
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Piledriver
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Post by Piledriver »

Richard, you forgot teh smiley ;-)
Addendum to Newtons first law:
zero vehicles on jackstands, square gets a fresh 090 and 1911, cabby gets a blower.
EZ3.6 Vanagon after that.(mounted, needs everything finished) then Creamsicle.
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Wally
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Post by Wally »

Pile gets it, why didn't you Richard? :P
You'd know me by now :roll:

and I should be good with regard to DTA ecu maps from a turbo to start with :wink:

Sorry for the confusion..
T4T: 2,4ltr Type 4 Turbo engine, 10.58 1/4 mi in a streetlegal 1303

"Mine isn't turbo'd to make a slow engine fast, but to make a fast engine insane" - Chip Birks
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Piledriver
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Post by Piledriver »

Type 4 Unleashed wrote:
Wally wrote:Thanks for the reassuring words :D.. so I should be good!

No you wont be good, the Piano wire wont work for you, when the Piano wire starts resonating, it will shatter those Aluminum cyl's.

I've been thinking out another sealing idea, at least for me.
I'm still debating if I can get away with a pressed/shrunk fit 4mm aluminum ring in 2.0 heads (95mm bore) so I can run a Garlock seal ring on the shoulder of the stepped modified cylinder, (Putting the seal ~the head outer surface for more meat) as i proposed back in 2004-2005 for Deutz jugs on 1700 heads.

That combined with the "deep" lower nuts on equal length studs should make for a very decent setup.

Moving the sealing surface has apparently worked well for Charles with his V2 nickies.
Addendum to Newtons first law:
zero vehicles on jackstands, square gets a fresh 090 and 1911, cabby gets a blower.
EZ3.6 Vanagon after that.(mounted, needs everything finished) then Creamsicle.
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Type 4 Unleashed
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Post by Type 4 Unleashed »

Wally wrote:Pile gets it, why didn't you Richard? :P
You'd know me by now :roll:

and I should be good with regard to DTA ecu maps from a turbo to start with :wink:

Sorry for the confusion..
I got it all, just messing with ya... :lol: :lol: :lol:

And your the one who got confussed... :lol:
Richard

EMW

“Have you ever noticed how some people never
have the money to do it right, but can always
find the money to do it twice ?”
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MASSIVE TYPE IV
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Post by MASSIVE TYPE IV »

V2 Nickies...

Done deal, sealing issues eliminated. They were developed for boost!
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Piledriver
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Post by Piledriver »

MASSIVE TYPE IV wrote:V2 Nickies...

Done deal, sealing issues eliminated. They were developed for boost!
That is the nuclear option, but might get wee bit expensive to lose in a "for fun" drag motor if the expected happens.

Need to find a compromise (bad word I know) that is effective, and suits the app.
Addendum to Newtons first law:
zero vehicles on jackstands, square gets a fresh 090 and 1911, cabby gets a blower.
EZ3.6 Vanagon after that.(mounted, needs everything finished) then Creamsicle.
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