Soooooo Twin K04 24v VR6 now to GT35 BB :)

[boostperformance]

I have been having some really bad issues with my twin turbo setup so I decided to tear into it and look for an issue. Turns out when I pulled the down pipes off my flapper valves for the wastegate were missing lol They must have been launched out the tail pipe at some point! So here we go, one weekend, 31 hours of labor, and one amazzzzzzzing setup! Ennnnnnjoy!

[02vwgolf]

OMG, cant wait to see how much improvement these are over the Ko4's... But at this rate I wouldnt expect traction until mid third gear

[boostperformance]

So I was tuning on lunch break today and the wastegate spring is at.......... 14PSI! I think I need to get a new spring and tone it down to 10 or under. Any opinions?

[anthony3vdublove]

That turbo

Damn

[boostperformance]

Yeah man it sounds sooooooo amazing I need to get a video up. It sounds like my friends 1jz supra lol the engine is pretty raspy between 3000-4000 rpms but before and after it sounds like sex

[nothing-leaves-stock]

oem maf's don't like "blow thru" setups.... but glad you went with a single turbo and not welding the turbo to the exhuast this time

[chaffe]

This is better! tuning that AEM will be much better with a draw through MAF, A bar of boost will be fine lol

[boostperformance]

So I was driving home on Friday and noticed my car was making a clanking noise every rotation of the wheel so I pulled over and noticed metallic gear oil on the ground dripping. Awesome. I get it town apart last night and appearently a m6x1.0 10mm allen cap bolt got launch from in the bell housing, through the tranny case, into the diff ring gear then to the 1-4 output shaft gear. I am not missing any bolts anywhere on the engine and I have not installed anything on this car with the size bolt. I am stumped!!!!! Anyways I have a new tranny on its way...

[chaffe]

Of dear! Unusual

[Jo|\|]

Did it come from the pressure plate?

I think those are allen and move pretty fast.

[boostperformance]

The pressure plate use an m8x1.25, this was an m6x1.0. New transmission is going in today! along with painted goodies Pictures soon

[chaffe]

Glad to see you have a new gearbox, uprated clutch getting fitted now?

[RBPE]

My opinion is get a higher rated wastegate spring!

What were the k04's like on the VR? Did you find they ran out of juice above 6krpm? I'd assume you get much better top end assuming it's 0.82 ar or more when up and running?

I'd be interested to know how it compares to the ko's when you've sorted the issues

[boostperformance]

The K04's ran very well on the car and i never noticed them maxing out. When you think about it, the k04 is an upgraded turbo for the 1.8l engine. Each one of the turbos is only running with 1.4l of engine. Buutttttt the GT35 has an exhaust a/r of .68 and the compressor is a/r.70 with a 63 trim wheel. It is such a huge difference it is not even funny. By far the gt35 flows so much more air and you can feel the power difference, even at the same PSI. I will be running this weekend so count on some awesome videos!

[chaffe]

Get it screwed upto 15 PSI, thats what im running with the same engine

[boostperformance]

Hmmmm what do we have here? Oh yes thats right SEX ON WHEELS Also check out the new tanks I added to replace the windshield wiper fluid, powersteering fluid and coolant overflow. These are Camco generic tanks that are perfect for custom stuff.

[chaffe]

cool, just need some jubilee clips now on that silicone on the turbo!

[RmL1.8T]

That looks unbelievable

[TANGO DOWN]

So I was tuning on lunch break today and the wastegate spring is at.......... 14PSI! I think I need to get a new spring and tone it down to 10 or under. Any opinions?

yes yes this is a good idea....... i am running a stage 2 with about 415 at the wheels and my wastegate lifts at like 8 or 8.5 psi

[boostperformance]

I am at 9psi and it is incredible lol Now I need to fab myself a 3" aluminum MAF housing because the couplers keep blowing off of it lol I really need to make this a draw thru system

[chaffe]

I am at 9psi and it is incredible lol Now I need to fab myself a 3" aluminum MAF housing because the couplers keep blowing off of it lol I really need to make this a draw thru system

LOL, glad its getting there. What are your timing figures on the factory ecu in boost? are you usung vag com to read the factory ecu?

[boostperformance]

Currently I have the fic pulling roughly .85 degrees per pound of boost, I have not gone through vagcom to see what the ECU is putting out because it feels very smooth and the spark plugs look excellent. No signs of detention or pre ignition.

[chaffe]

Currently I have the fic pulling roughly .85 degrees per pound of boost, I have not gone through vagcom to see what the ECU is putting out because it feels very smooth and the spark plugs look excellent. No signs of detention or pre ignition.

Cool, I was pulling similar timing. I have now set the AEM to pull NO timing at all, the factor ecu looks after it all and there is no det, i am running water injection though.
What fuel pump you runing? I have reached the limit of the standard pump lol

[boostperformance]

I am running the stock pump, but i am looking to installed a walbro 255 pump in the tank. I have not seen any sign of the pump running out yet but I am going to get it switched out anyways so im not dead in the water somewhere from overloading it

[chaffe]

I am running the stock pump, but i am looking to installed a walbro 255 pump in the tank. I have not seen any sign of the pump running out yet but I am going to get it switched out anyways so im not dead in the water somewhere from overloading it

It wont fail like that, you will find that no matter how much you increase the PWM on the injectors the mixture will not get richer, this is due to the pump not being able to flow enough. I cant make my car richer than 13:1 just now above 6000rpm at 12 PSI, not because of the injectors, but because the pump has reached its limits.

[chaffe]

So I have done some research, the standard fuel pump will only flow 90 litres per hour, thats 1500 cc per minute, so effectivly the injectors will only ever flow 250 cc/minute with the standard pump.
That is only enough fuel for circa 277 bhp.

[boostperformance]

That is some good info to know. Good Work

[red01vr6]

Bay looks sick with the red.. pretty fresh
Vids!

[gti vr6er]

I hate you for how resourceful you are Awesome build and good luck

[DannyLo]

My car made 320whp @6500rpm with 7psi on the factory pump...and it wasn't running right during that pull. I have been running 10psi on the factory pump since with no lean issues as well. Above that, it won't stay rich.

Have an inline going in as we speak though for more though

[turbo4motion]

Is that a custom-made intake manifold? If so, have you considered modifying it so the inlet/throttle body is on the other side, by the powersteering/coolant bottles? Would cut out heaps of intercooler piping.

[boostperformance]

Yeah it is a custom intake manifold, I thought about running it over that way but I liked the look of this better. Trust me though that extra tubing going around the engine does not effect how fast the boost kicks in lol It would have been more efficient to go to the other side though for sure

[chaffe]

My car made 320whp @6500rpm with 7psi on the factory pump...and it wasn't running right during that pull. I have been running 10psi on the factory pump since with no lean issues as well. Above that, it won't stay rich.

Have an inline going in as we speak though for more though

Maybe a good one will make the numbers, but my 12 year old pump with 85,000 miles on it is struggling, so a walbro 255 is being fitted today

[18T_BT]

vids?

[gti vr6er]

^^ x2!!