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-   -   Mythbuster: continuing project thread of my 1303 '75 (https://www.germanlook.net/forums/showthread.php?t=9953)

paul_f January 25th 2012 08:50

Hi Wally, is the water tank for water injection?

Wally January 25th 2012 14:21

Yes, actually it has 50% methanol content.

volkdent January 26th 2012 01:18

Hey Wally, I've got 100% methanol right now, any reason I should or shouldn't be running 50/50 mix?

Jason

Wally January 26th 2012 05:00

Quote:

Originally Posted by volkdent (Post 82968)
Hey Wally, I've got 100% methanol right now, any reason I should or shouldn't be running 50/50 mix?

Jason

Yes, lots of reasons not to use 100% meth.
Too much, too long explanantion with many arguments on the practicle and performance side to the why of that, sorry.
I've have come to the conclusion 50/50 is best.
YMMV ;)

volkdent January 26th 2012 22:02

Quote:

Originally Posted by Wally (Post 82970)
Yes, lots of reasons not to use 100% meth.
Too much, too long explanantion with many arguments on the practicle and performance side to the why of that, sorry.
I've have come to the conclusion 50/50 is best.
YMMV ;)

Certainly half as expensive! Thanks, I'll use distilled water then?

Jason

brookester January 26th 2012 22:12

...plus 100% is flammable.

Wally January 27th 2012 04:28

Quote:

Originally Posted by volkdent (Post 82981)
Certainly half as expensive! Thanks, I'll use distilled water then?

Jason

Yes, definately! Regular water contains salts which will block your jet(s) openings after a while.
The (non-visible) flammable part is one of the many reasons not to use 100% or even 75% meth iirc. At 50/50 is non-flammabe anymore as well. Not sure where exactly the border is, but its a moot point.

Wally February 10th 2012 08:46

Last week I took the engine apart as I wanted to have the case machined for a different cooling system (more of that later when its all worked out) and another cam to try out.

Good thing I did as all bearings and heads, pistons, cylinders were still in tip-top shape, but the rods were surely not!
http://i174.photobucket.com/albums/w...2.jpg~original

One has had a movement is 2 directions, but two others were just bend one way :D Before discussions start if this was the limit of stock rods: NO, its not; this was all caused by boost-cuts of the ecu causing huge back fires that even snapped two rockers if you can remember ;)

http://i174.photobucket.com/albums/w...3.jpg~original

Fortunately Jake still had a set of slightly used Pauters, so those are underway :D

Clatter February 10th 2012 16:16

Does this mean that you got another set of 1.7-1.8 spec rods?
Or are you going to be getting a crank upgrade?

I look at those "stock" rods,
ANd there sure was a lot of nice work put into them.
Nice trophies for sure!:D

Wally February 10th 2012 17:03

Quote:

Originally Posted by Clatter (Post 83117)
Does this mean that you got another set of 1.7-1.8 spec rods?

Not yet, but these are underway :D
http://i174.photobucket.com/albums/w...s.jpg~original
Quote:

Or are you going to be getting a crank upgrade?
The nice thing about the 74mm stroker I still have is that its got the same big end journal as the 1.7/1.8 ltr 66mm crank :)
The problem is the cylinders had to be cut back very short so its doubtfull 8mm more stroke is seen as still safe for how far the pistons will come out then...
But I am sure you know what would have my vote :lmao:
Quote:

I look at those "stock" rods,
ANd there sure was a lot of nice work put into them.
Nice trophies for sure!:D
You got that right: LOTS of work went into them ;)

Xellex February 10th 2012 19:24

wow, I can't believe the rods bent so bad, that it's very visible in the pictures.. and still nothing failed.

Bradey Bunch February 10th 2012 21:38

Is the crank still straight?

Braden

Wally February 11th 2012 03:41

Quote:

Originally Posted by Bradey Bunch (Post 83122)
Is the crank still straight?

Braden

Don't know yet as I haven't got the sort of equipment to measure that myself, but crankshaft is spotless and must be straight as all main and bearings were super nice as well:
http://i174.photobucket.com/albums/w...5.jpg~original

http://i174.photobucket.com/albums/w...1.jpg~original

http://i174.photobucket.com/albums/w...9.jpg~original

NO_H2O February 11th 2012 13:59

Wow. Looks like you caught those just in time. They are wall hangers for sure.

hotsauce February 11th 2012 19:54

That coulda been messy! Good thing you tore it down!

vw1303 February 12th 2012 02:16

Hey Wally, have you selected a turbo for the 1200cc motor yet?

Wally February 12th 2012 06:40

Quote:

Originally Posted by vw1303 (Post 83144)
Hey Wally, have you selected a turbo for the 1200cc motor yet?

Yes indeed, had it for some time already now: its the stock turbo from a 2.0 wrx subaru: TD04L-13T. The 04L is a very small hot side, will be perfect for the little 1,2 I think. It spools the 2 ltr suby at 2,5K already I read, so 'normal' spool for the 1,2 should be possible. They are also very cheap to pick up from ebay: a 100 (whatever currency) will get you a good one most likely.
I am equally excited how this will turn out tbh ;)

70Turbobug February 14th 2012 07:39

Just don't become sensible and permanantly trade small displacement and gas mileage over bigblock power :D Remember you do have a reputation to hold!

dub_crazee February 14th 2012 12:37

Wow those rods are unreal!! i wonder how much longer they would have lasted. just goes to show much much strain they can go through before they do go bang!
definately looking forward to your progress with the 1200 motor....good luck
Deano

Wally February 14th 2012 16:40

Quote:

Originally Posted by 70Turbobug (Post 83163)
Just don't become sensible and permanantly trade small displacement and gas mileage over bigblock power :D Remember you do have a reputation to hold!

Nah, there's no reputation. Remember, this is all the internet; I may as well not exist and all you've seen are computer animations :D

On a serious note I am seriously looking to my still patiently waiting 74mm 'stroker' and how far out of the bores the pistons would really come with this one.
It would mean a displacement of 2466cc :D

70Turbobug February 15th 2012 06:54

LOL! Yeah,actually you're just a myth! :D
I would go with the 74mm crank too.You may have to use cylinder spacers,but that's no problem.You can make them any thickness you need.

Wally February 18th 2012 14:37

Just received the new centrally positioned cooling system with 964-style housing from MSS :cool:

Some intitial pics:
http://i174.photobucket.com/albums/w...fterMSS027.jpg
http://i174.photobucket.com/albums/w...fterMSS024.jpg
http://i174.photobucket.com/albums/w...fterMSS022.jpg

70Turbobug February 19th 2012 12:20

Nice! Markus does really nice work!

TSAF March 5th 2012 05:16

Wally rules. hehehehehe

Wally March 5th 2012 16:57

Vid from the dyno day last november with the 2,2ltr ;)

http://www.youtube.com/watch?v=ckZTZ7x7IjI


Thanks Jeroen!

paul_f March 5th 2012 18:11

The new cooling system looks nice. Will a lot of rework of your intake system be needed with it compared to the horizontal setup?

Wally March 5th 2012 18:26

Not much really I suspect, allthough usually you don't anticipate everything in a build as we all know too well. It will be nice to get a push-pull linkage again though ;-)

scardeep March 14th 2012 09:14

I bought a type 4 engine and your car is one of the stars in my “map” to follow! Hope you don’t mind..?
What are you going to do with intercooler? That tail was your “logo” in my eyes ;) Looking forward for updates!

Wally March 14th 2012 11:13

Quote:

Originally Posted by scardeep (Post 83446)
What are you going to do with intercooler? That tail was your “logo” in my eyes ;) Looking forward for updates!

No worries Scardeep: Intercooler stays there!
Not much updates yet, will be several weeks before parts are machined.

Wally April 7th 2012 15:53

1200 turbo engine is now up and running again and with a FK7 and 1,4 ratio rockers.
Its "a bit" on the wild side for a 1200cc engine, but rocks from 3K rpm onwards.

First time on the wastegate (leaking BOV though) and up to 6200 rpm :D

https://www.youtube.com/watch?v=wNkOkUwHHK8

Dynoday in Germany (near Hamburg) is on the 28th april...

70Turbobug April 8th 2012 10:40

I'll definetly be there! I'm really looking forward to finally meeting you after all these years!

Wally May 2nd 2012 11:15

Got a feature in a general tuning mag :D

http://i174.photobucket.com/albums/w...l.jpg~original

NO_H2O May 2nd 2012 12:25

SWEET. You are very deserving of some press.

chug_A_bug May 2nd 2012 12:54

very NICE... well Deserved

owdlvr May 2nd 2012 14:13

Noice!

...Got a link to the magazine website, wouldn't mind seeing if I can get a copy onto my iPad.

-Dave

ricola May 2nd 2012 15:02

Congratulations, about time you got some press recognition!

Wally May 2nd 2012 15:12

Tnx fellows!
Dave, this is their web-site:
http://www.autoentuning.nl/

http://www.autoentuning.nl/?p=3928

Cover of the issue and the content page (as far as I am allowed to post):
http://i174.photobucket.com/albums/w...g.jpg~original

http://i174.photobucket.com/albums/w...d.jpg~original

70Turbobug May 3rd 2012 04:14

Congratulations Wally! I agree,well deserved and long overdue! Why is car in race magazine? Because race car :lmao:

wrenchnride247 May 3rd 2012 21:12

Very cool Wally! Congrats! :cheers:

Wally May 5th 2012 16:02

Cheers!

In the meantime, I started on the revamp of the 2,2 engine beginning with the new central cooling lay-out:

http://i174.photobucket.com/albums/w...7.jpg~original


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