Topic: Twincharged Solstice = Turbocharger + Supercharger

[MattM]

Damn that's a big turbo!!! That thing is going to haul ass!

[Steelmesh]

Turbo oil drain...

Amateur welder + 23 year old dirty heater core tubing =  functional

[elff]

OMG were you trying to redefine Booger Welds?

[Steelmesh]

OMG were you trying to redefine Booger Welds?

It literally holds water though    With tig you can at least make sure each blob is a good blob

This was a bit easier, thicker cleaner material:

[Steelmesh]

Oil drain installed, the turbo can be installed like this too:



The old abrasive chop saw I have was one of the first power tools I bought (about 13 years ago harbor freight) and with the exhaust work ahead of me it was the perfect excuse to get a new geared carbide metal saw and it is awesome.  I dream of getting a real cold saw, but this is about 1/12 the cost and stowable in my tiny garage.

Rage 2 saw: https://www.homedepot.com/p/Evolution-Power-Tools-14-in-Multi-Purpose-Chop-Saw-RAGE2/203633549

Tacking away, build to fit:



Who's triggered by the side dump? 



Custom nipple in the oil pan (bedplate) to meet up with the booger tube. The yellow things are plugs, I'll slip 3/4" hose in there:



Off-road race turbo downpipe done. The wastegate is a screamer for now, need to get a flange and integrate it into the main pipe.  Notice the PCV vacuum "eductor jet pump", this will create a vacuum with exhaust flow energy.

Moroso PCV check valve: https://www.moroso.com/catalog/product/view/id/7215/s/check-valve-for-header-collector97800/
Moroso vacuum nipple (I made my own with a cutoff wheel): https://www.moroso.com/catalog/product/view/id/7216/s/weld-in-nipple-for-header-collector97810/

Otherside with the O2 bungs:



That was a lot of tig welding this weekend...

[marksbug]

 when you building stuff like this look for old AC evaporators/receiver dryers,many have nice bent tubes!! And no corrosion!!! keep up the great work!!!

[Steelmesh]

when you building stuff like this look for old AC evaporators/receiver dryers,many have nice bent tubes!! And no corrosion!!! keep up the great work!!!

Thanks for the tip, I can imagine the selection is much greater and easy to get at when doing the u-pick. 

[Steelmesh]

[elff]

What?
What is this under the fender crap?

You gotta go through the side fender to be super cool!

[Steelmesh]

What?
What is this under the fender crap?

You gotta go through the side fender to be super cool!

Are these not cool enough?

[Steelmesh]

Cold rev explosions holy crap. This is on the old tune with the 2.5" single exhaust and smaller turbo.

The third clean rev actually went into PE mode (enrichment) where as the ones that explode have correlating lean spikes, but not sure which led to the other: https://www.youtube.com/watch?v=cc2I1gxD2Zc

[Steelmesh]

Warning: Do not buy $50 fuel surge tanks off ebay.  One day I back out of the driveway and my trunk filled with fuel.  I could not replicate the source of the fuel leak but it could only be from the surge tank; the only think suspect is the o-ring and tolerances that seal the tank.  I am running a Deatchwerks pump 044 pump so doubt that is the issue.

Surge tank of death:





Well engineered merican surge tank:
https://store.034motorsport.com/fully-enclosed-fp34-fuel-pump-surge-tank-for-bosch-044-motorsport-fuel-pump.html

[marksbug]

there are some china compound rubber that they make seals out of that dont like our gas. even china fuel hose.I put new china fuel hose on my 6 chain saws( huricane supplies) and...withen a hour the hoses were funking up the carbs or spliting,popping off. I suppose they are ok somewhere else in the world...so..as to your ebay tank...mine were ebay and directly from china hoses... the china aluminum an fittings leave a lot to be disired, but so do the amreican ones too....boy do i have a story about a pile of very expensive american an fittings that were junk..real engine/ fuel system killers...earls I think,hard to remember after buying oh somany of them, aeroquip was always the best. to make it short dont ever buy the aluminum " stainless look" fittings.I think there off the market now.they were aimed at exzotic fuels..and fools...apparently.   the "stainless" coating came off in oh so needle size  extra hard sharp slivers, lot of them...on the inside of the fitting..to go into your engine..and fingers too.
  as for the AC aluminum most car garages/repair shops that do ac have them in a pile waiting for the scrap guy. lots of usable stuff in the scrap piles these days.

[elff]

Are these not cool enough?

No.  They look like those cheap pep boy bolt on exhaust tips.

I'm just messing with ya, cause someone actually put the exhaust through the fenders.  I don't see how that wouldn't melt them eventually.   

[Steelmesh]

It is obnoxiously loud, however with a v-band system off the turbine I'll make a full exhaust for the street and quick swap this side exit for race days.

[MattM]

Get that puppy working already!  I can't wait to see the insane performance you're going to get out of it now the the turbo is fixed!!!

[elff]

It is obnoxiously loud,

As a proper beast should be.
Insert Maniacal laughter
Muhahahahahahahahahahahaha

[Sol Asylum]

It is obnoxiously loud

As a proper beast should be.
Insert Maniacal laughter
Muhahahahahahahahahahahaha

Are you talking about Critter's special friend Suzy?

[Steelmesh]

The stock seat bolsters on the driver side were blown out (large previous owner?), autocross would suck without some support  For the seat mounts I used 3/16" steel and also had to also fabricate the seat belt mounting points.  They sell the seat mounts but they are super expensive.  The passenger side sits a little bit higher because the seat bracket must bolt in before the seat is bolted to the bracket (if you want the passenger seat to sit back far enough).  The driver seat has a slider so I made it as low as possible because you can slide the seat forward/backward to bolt down the bracket to the car.

[Steelmesh]

Survived Woodward week and put several hours on the car.  Did a burnout in Pontiac on Saturday, then the car started going into limp mode with a P2135 code (tps correlation).  I had this happen to me Friday night right when I pulled onto my street, the car goes into limp mode.  I started logging both throttle positions and they looked okay. I also picked up a low miles used throttle body (same buy I bought the used transmission from) and installed that Saturday and everything looked okay until that burnout. 

After that Pontiac burnout, I started limping home on back roads, and it kept going into limp mode more often (key cycle would reset it, but it kept happening).  I noticed the second TPS was a bit noisy.  I pulled over and started tearing down the throttle body harness and found the OEM wire broke inside of the wire jacket right at the connector.  An Autozone was a stones throw away so I bought all the stuff to strip and solder this wire.  I fixed it and everything was okay. 

I headed back to Woodward and started scaring people on the side of the road with the side dump; anti-lag explosions and WOT pulls it was great fun.

[Uranium-238]

Is too much boost just f'ing with the TB? Common problem on turbo LS setups, the boost presses on the TB, causing a commanded vs. actual error that triggers limp mode.

[Steelmesh]

Is too much boost just f'ing with the TB? Common problem on turbo LS setups, the boost presses on the TB, causing a commanded vs. actual error that triggers limp mode.

With the P2135 code, the issue was that the copper wire broke internally and lost continuity for one of the TPS signals. 

[MattM]

Come on man! I know you have updates!!!!

[Steelmesh]

Got materials to build the 3" full exhaust, would like to try to do a single center exit I'll have to mock it up and see what it looks like.  I got some extra 3" v-band kits so I will make the downpipe universal so that swapping between the race dump and full exhaust systems will be super easy.  The race dump is really fun and makes quite the statement but the driver can only stand wearing ear plugs for so long.

I also went to a big car cruise in town last Wednesday, did 8-9 burnouts upon request and also scared some babies.  The wastegate screamer pipe fell off (it was just a dump pipe hanging freely, my fault) and it was dragging by the exhaust wrap, some people pointed out I was dragging something and I didn't even hear it over the obnoxiously loud exhaust (another reason full exhaust is good, you can hear issues better).  I also got a flex section and flange to install the wastegate pipe properly to solve this fail.

In a couple weeks I am planning on going back to the drag strip to make some more runs with the new transmission.  ZZP had some LE5 throttle body pig tails in stock so I got one of those to repair my throttle body plug that failed on woodward.

[MattM]

So what do you think so far.  Does feel more powerful?