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Guess what was just added to this engine bay?

Posted: Wed Aug 01, 2012 10:31 am
by Dylan
Did some work on the corrado the past few weeks. It's hard to see but was curious if anyone can guess what it was. Clue, the Lysholm was already there.

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.....another clue

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Re: Guess what was just added to this engine bay?

Posted: Wed Aug 01, 2012 10:36 am
by krzysiopl
What is that, meth injection or something? I can't zoom in to see what I'm looking at.

Re: Guess what was just added to this engine bay?

Posted: Wed Aug 01, 2012 11:01 am
by got desl?
Twin charge set up.... :hmmm:

Re: Guess what was just added to this engine bay?

Posted: Wed Aug 01, 2012 11:09 am
by JR32
MSD ignition?

Re: Guess what was just added to this engine bay?

Posted: Wed Aug 01, 2012 11:10 am
by Dylan
got desl? wrote:Twin charge set up.... :hmmm:
ding ding ding....winner

here are some of the build pics. t3 .63 trim .60 cold side .63 hot side. Oh and this is all pushing into a Lysholm with 53mm pulley lol.

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Now I have to get it tuned by next week.

Re: Guess what was just added to this engine bay?

Posted: Wed Aug 01, 2012 11:41 am
by got desl?
The air filter and the heat wrapped pipe gave it away!

Man that is an insane set up!! Can't wait to see and hear it in person!! :yahoo: :bananadance:

Guess what was just added to this engine bay?

Posted: Wed Aug 01, 2012 12:08 pm
by DasTeknoViking
pimp juice, love this kind of stuff.... I want to do a twin turbo on my TDi next year sometime when all the house madness is over.

Any specs on the motor ? What kind of power you think this is going to push ? Gonna be a sweet car ! Love the old school stuff.

Re: Guess what was just added to this engine bay?

Posted: Wed Aug 01, 2012 11:04 pm
by Sir Revalot
Damn son, I didnt even know you owned a Raddo!! :chair:
Will the tranny hold down all this mad hp coming out of this beastly 8V.....??

Guess what was just added to this engine bay?

Posted: Thu Aug 02, 2012 9:15 am
by DasTeknoViking
upgrade to a CTN and it will hold it just fine :)

Re: Guess what was just added to this engine bay?

Posted: Thu Aug 02, 2012 9:31 am
by Dylan
If, the trans goes (and maybe if not) it will go AWD :yahoo:

Re: Guess what was just added to this engine bay?

Posted: Fri Aug 03, 2012 12:20 pm
by Dylan
so an update.

Twin charge works. Tuning it the past 2 days and getting plenty of fuel. Dropped one plug cooler because of some spark knock at high boost. Took some timing out of it at the top and a little bit off the bottom.

Twin charging works great. Super smooth power delivery and very good throttle response.

Well those are the good news, here is the bad. After a 4th gear pull it was boosting about 18-22 psi from 2,500 to about 4,500 rpm uphill perfect. Then lots of smoke from exhaust. :slap: Take off at the light and lots of smoke again. When idling, its a bit of white smoke, when off throttle its lots of white smoke, when driving or under boost, no smoke. :hmmm:

So I get it home, and check it out. The smoke is oil, not your typical white coolant smoke. Pull the plugs and do a compression test. Its all the same as it was before. 120, 150, 125, 120. Not perfect but for 80K, not bad either. So oil is not from a blown piston. I pull off the intake tubes between the turbo and the supercharger. No excessive oil from there. Pull the intake tube from the front mount to the throttle body. Again no excessive oil from there. So I didn't blow up the Lysholm (thank god) :yahoo:

So I figured oil seal at turbo blowing into the hot side and flashing off into vapor (thus white and not blue). Problem with that is why does it only do it on compression braking. Turbo oil leaks are worst under boost and higher rpm. My next thought is valve stem seals. It is a 1990 and original seals.

So I do some more thinking. The was the system is now, the turbo is feeding the supercharger. The turbo wastage is managed by the intake manifold pressure (total system pressure). Well at higher rpm and closed throttle (compression braking) the G60 throttle body is diverting the charged air back into the pre-turbo inlet. What I didn't think of is that the supercharger is still spinning very fast and is pulling air though the turbo. I'm sure this is causing the turbo spool via the intake side, opposite of what a normal turbo does. This force suction that the supercharger is doing is causing a vacuum on the exhaust side to pull air from anywhere it can. Looks like its pulling air/oil though the valve stem seals.

This and compound the fact that the exhaust seals now see more pressure that it never saw with a supercharger, I think the seals just gave out.

I am having a set of seals come in tomorrow along with some tools that I can swap the seals without pulling the head. Hope this fixes the problem or at least stops the oil blowing problem until I can find a way to reduce exhaust vacuum problem.

Hopefully I can get this problem situated before next thursday when we head out that way. :thumbup: (broken or fixed, it will be at the show next sunday. We would love to make the cruise on friday though lol).

Re: Guess what was just added to this engine bay?

Posted: Tue Jun 11, 2013 12:14 am
by Dubmekanik
Nice to see someone doing something different. Yes I know this thread is old..haha. Any updates?

Re: Guess what was just added to this engine bay?

Posted: Mon Jul 30, 2018 3:49 am
by valladar
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Re: Guess what was just added to this engine bay?

Posted: Sat Oct 20, 2018 2:32 am
by valladar
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