Wastegate ordered.. picking up tomrrow.. will stop by the local parts place for the "T", tubing, Pipe, sleeve on the way.... Thanks AJPTurbo!!!
tial wastegate for charge piping
- Thread starter ajpturbo
- Start date
What's the length on the pipe?
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So the tial comes with a v clamp flange, it suppose to come with two... I am picking it up tomorrow, if you want, I can send you one of the flanges to model after?EcoPowerParts said:
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If you want it done in stainless I can do it, not as pretty but also $150 MORE just for that one pipe so figure around $700 with WG and pipe. Not worth it.AJP turbo said:
I can have my machine shop guy copy the mount but would need to be in quantity and I would need to have at least 10 people willing to commit to the pipe/WG setup to make it worth the while.
Installed today... Preliminary datalogging looks promising! Will update after tune is loaded 
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StealBlueSho said:Installed today... Preliminary datalogging looks promising! Will update after tune is loaded
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Props for speediness! My plans usually take weeks to complete. Heck you've done like 35 data logs and I haven't managed one since tuning my car. Thanks for reporting your findings.
Yea... When I see something that makes sense and would solve a problem I have...then I don't mess around...
Plus I get to work from home...so it makes it easier to get stuff done....
Datalogging only takes a minute.. I used the sctx4 handheld.. so when in out... I have a straight away I get a log
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Plus I get to work from home...so it makes it easier to get stuff done....
Datalogging only takes a minute.. I used the sctx4 handheld.. so when in out... I have a straight away I get a log
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With AJPTurbo's wastegate modificatin...here are a couple datalogs..
No-WG: Obviously without the wastegate installed, using the throttle to control boost spikes. This is running around 14.3PSI.. notice the dips in fuel pressure and the boost spikes.
WG: With the wastegate installed, open throttle throughout the pull. This is running a bit more boost at 14.9 psi. Notice the fuel pressure only dips about 150psi in first gear and then holds full pressure throughout... and the boost spikes are very minimal and flat.
From an a$$ dyno perspective the wastegate setup completely blows using the throttle to control it out of the water.
Thanks to AJPTurbo for working with me on this!!! And providing the idea!!!
No-WG: Obviously without the wastegate installed, using the throttle to control boost spikes. This is running around 14.3PSI.. notice the dips in fuel pressure and the boost spikes.
WG: With the wastegate installed, open throttle throughout the pull. This is running a bit more boost at 14.9 psi. Notice the fuel pressure only dips about 150psi in first gear and then holds full pressure throughout... and the boost spikes are very minimal and flat.
From an a$$ dyno perspective the wastegate setup completely blows using the throttle to control it out of the water.
Thanks to AJPTurbo for working with me on this!!! And providing the idea!!!
FistyMcgee
New member
From what I understand is that the setup /build/mod whatever you want to call it, that you made was really applicable only to the SHO side of the house because of the placement being on the noisemaker/noisemaker delete tubing. we should be able to attach this to another pipe on the MKS and make it universal. Is that right, EPP? I'm unusually excited about this.
My second assumption is that this does not have any real effect on tunes that are developed by unleashed/LMS. could I get input from you who have more experience than me on this topic, maybe even the LMS rep on the forum?
Thanks for the build log and sharing with us, this is really exciting!
My second assumption is that this does not have any real effect on tunes that are developed by unleashed/LMS. could I get input from you who have more experience than me on this topic, maybe even the LMS rep on the forum?
Thanks for the build log and sharing with us, this is really exciting!
You would need somewhere on the intake side to mount the wastegate, since it entire purposes is to bleed off the boost spikes. Not sure if closer to the TIP is helpful or not..
From a tuning perspective I have no doubt there is considerations involved in making sure that the tune works with the mod. I did load up an unleashed tune that was targeting a flat 201kpa for desired boost when WOT and gave it a run with the 15.95psi external wastegate spring. My internal WGDC was upper 90% through an entire 1st through 3rd gear run..
The tune from AJPTurbo was targeting slightly higher at 203kpa under WOT.. with the same 15.95 spring in my external WG my internal WGDC on the turbos was significantly lower in the 70's and lower 80's so no doubt there is tuning involved...
From a tuning perspective I have no doubt there is considerations involved in making sure that the tune works with the mod. I did load up an unleashed tune that was targeting a flat 201kpa for desired boost when WOT and gave it a run with the 15.95psi external wastegate spring. My internal WGDC was upper 90% through an entire 1st through 3rd gear run..
The tune from AJPTurbo was targeting slightly higher at 203kpa under WOT.. with the same 15.95 spring in my external WG my internal WGDC on the turbos was significantly lower in the 70's and lower 80's so no doubt there is tuning involved...
It could work but a bov bleeds air off when you lift off the gas....i wanted something that bleeds the boost when i have my foot down
You are looking to regulate boost..thats what wastegates do..and there are alot of spring rates available i dont know if u have the selection with a bov
You are looking to regulate boost..thats what wastegates do..and there are alot of spring rates available i dont know if u have the selection with a bov
I purchased mine through Full-Race and IMHO great overall company and customer service and Corell at corell@full-race.com was very helpful in answering all my questions and here's the link and[spring rate] as AJP mentioned above. Z http://www.full-race.com/store/blow-off-valves/tial-bov-spring.html :thumb:
ZSHO said:
Z the fundamental operating principle is completely different....there may be a few springs available but im not even sure which spring you would choose....bov use vacuum to act on the diaphragm to open the valve.....at wot there is no vacuum so you need a device that will open on boost which is exactly what a wastegate does....once a desired pressure is reached then the gate opens....bov's dont work that way at all.