160hp 1200DP Turbo 'Challenger motor'

With Turbo and Super charging you can create massive horsepower with vw motors.

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brewsy
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Re: 1200 Turbo EFI build 'Challenger motor'

Post by brewsy » Thu Aug 22, 2013 8:36 pm

Agreed.
Very sorry to hear that after all this effort it went pop.

Fingers crossed you are going to keep up the inventiveness Wally and keep the memory of the 959 alive on your next (type 4?) project!!!

70dragbug
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Re: 1200 Turbo EFI build 'Challenger motor'

Post by 70dragbug » Mon Aug 26, 2013 4:27 am

I wouldn't be surprised to see the compound turbo set up on the type 4....that would be quite nasty!

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Wally
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Re: 1200 Turbo EFI build 'Challenger motor'

Post by Wally » Mon Aug 26, 2013 7:21 am

70dragbug wrote:I wouldn't be surprised to see the compound turbo set up on the type 4....that would be quite nasty!
For my intended use, hp and spool-up, my current twin-scroll single unit will be quite capable on a medium sized engine.

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Wally
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Re: 1200 Turbo EFI build 'Challenger motor'

Post by Wally » Mon Dec 04, 2017 9:54 am

Especially for user Clonebug a revival of the old Challenge thread (and project)!

I have resurrected the old 1200 Mex engine case and crank which both have n0.1 main bearing damage. I had the crank surface polished and the dowel repaired. Not optimal, but its a Challenge engine and in that spirit: we use what we have. Ususally :lol:

0.9 bar dynosheet from 2012:
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1.3 bar dynosheet from 2012:
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Not a bad respons from the TD04L-13T (Impreza 2.0 WRX engine) turbo, but if I can spool it up a little sooner, that would be even better, especially as a 1200cc engine really has very little torque at anything other then in boost (and a non-stock cam)..

Soooo... since another good stock Impreza turbo was hard to locate at a decent price, I did find a cheap TD04L-12T on evilbay :mrgreen:
Close enough and it has a little smaller compressor. How much smaller, I dunno, as the effect it wll have on spool or power. It does have the same turbine side, so if the compresoor is indeed a little smaller, spool should be a little bettter.

Image

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I will also reuse the slightly damaged 77,5mm 1200 original (but bored) cylinders. The damage from oil supply shortage will be "ball-honed" away for the most part. Since I want to deploy my new Mazda 323 pistons (with higher alu content), a little more clearence won't hurt. I also still have the old rods with the ARP bolts and a stock set of 1300 heads with only two small cracks, so also deemed usuable :lol:

Updates as they come available ;-)
Last edited by Wally on Mon Dec 04, 2017 12:56 pm, edited 2 times in total.
T4T: Type 4 Turbo engine, under construction

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Kalle
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Re: 1200 Turbo EFI build 'Challenger motor'

Post by Kalle » Mon Dec 04, 2017 9:57 am

Ah... come one Wally! Boost the s..t out of it with a Holset HX35 or something :-)

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Wally
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Re: 1200 Turbo EFI build 'Challenger motor'

Post by Wally » Mon Dec 04, 2017 10:05 am

Kalle wrote: ↑
Mon Dec 04, 2017 9:57 am
Ah... come one Wally! Boost the s..t out of it with a Holset HX35 or something :-)
Hehe! Spool would be a b*tch with that big a single turbo!

How cool that sounds however, be aware how fragile original 1200 parts really are... Most Challenge participants know by now (to their shame or laughter) :roll: but also lots of used parts were used also.
OTOH, the 1200 platform (64mm crank and rods) seems stronger then most of us thought it would be, in some applications (some - my medusa for instance- have run way over 7K with the stock parts! :D
T4T: Type 4 Turbo engine, under construction

Clonebug
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Re: 160hp 1200DP Turbo 'Challenger motor'

Post by Clonebug » Mon Dec 04, 2017 11:15 pm

What's the inlet diameter on the compressor side Wally???

My -13T is about 1.75 inches so if that -12T is at 1.5 inches it will probably give you good boost by around 3000-3300 rpm if not earlier.

The best I did with my -13T was 23.2 lbs at 3600 rpm.....I haven't been able to repeat it again but that was some good boosting......

Image
Stripped66 wrote:The point wasn't to argue air temps with the current world record holder, but to dispel the claim that the K03 is wrapped up at 150 HP. It's not.

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petew
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Re: 160hp 1200DP Turbo 'Challenger motor'

Post by petew » Tue Dec 05, 2017 3:31 am

I have a SP1300 in my garage and a tiny subaru turbo. I think you're daring me to do something truly stupid with it... :twisted:

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Udo Airbus
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Re: 160hp 1200DP Turbo 'Challenger motor'

Post by Udo Airbus » Fri Dec 08, 2017 8:45 am

Wauw so cool! I'm using a td04-13T on my 1971 cc..
You can find them a lot on: https://www.ebay-kleinanzeigen.de/s-td04-13t/k0
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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buguy
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Re: 160hp 1200DP Turbo 'Challenger motor'

Post by buguy » Fri Dec 08, 2017 9:17 am

Wow! Those are some impressive numbers! I've had V8's that wouldn't do that well!

70dragbug
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Re: 160hp 1200DP Turbo 'Challenger motor'

Post by 70dragbug » Sun Apr 01, 2018 12:32 pm

What Wally is not telling you due to his friendly and modest nature is...he actually made 174 hp with that 1200 at iirc 1.7 bar including ignition problems! Wally, 2012 in Tornesch Germany remember? 😁
Still holds the record today and drove it back home to the Netherlands...it's OK Wally, I'll brag for you, budπŸ˜‚πŸ˜‚
If he didn't have ignition problems, I'm sure he would have cracked the 200 mark

https://youtu.be/92pRAmH-ck4

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Wally
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Re: 160hp 1200DP Turbo 'Challenger motor'

Post by Wally » Sun Apr 01, 2018 2:01 pm

Cheers for that Mark. It really was great fun!

Slowly now and then a small finished part gets added to the 1200 Challenge shelf ;-)
Lots of planning is needed for these kind of excercises 😊

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petew
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Re: 160hp 1200DP Turbo 'Challenger motor'

Post by petew » Tue Apr 03, 2018 2:00 am

What are the oil galleries like in a 1200 block? How do you stop it spinning bearings?

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Wally
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Re: 160hp 1200DP Turbo 'Challenger motor'

Post by Wally » Tue Apr 03, 2018 2:05 am

petew wrote: ↑
Tue Apr 03, 2018 2:00 am
What are the oil galleries like in a 1200 block? How do you stop it spinning bearings?
Its a mexican AS41 dual relief very late model case: those are as good as they come :wink:
T4T: Type 4 Turbo engine, under construction

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andy198712
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Re: 160hp 1200DP Turbo 'Challenger motor'

Post by andy198712 » Tue Apr 03, 2018 4:14 am

Late 1200s with the D code are dual relief ect and unless they've been turbo'd lol have had an easier life then a 1600 case ;) i built my 2110 from one and spin that to 6.5k at times

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