Finnaly done....16G antisurge
May 23, 2008, 02:01 PM
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Finnaly done....16G antisurge
Well after 8 months of R&D, testing, and dicking around with this surge issue present on stock turbo-modified Evo's I'm hoping this is the final result to ending it once and for all for those wishing to keep the stock 16G yet run elevated boost levels without surge
All in the name of throttle response @ Watkins Glen!!!!
This Sunday I'll be installing to housing and modifying the intake accordingly. Tuning it on the dyno will then commence and hopefully positive results follow
All in the name of throttle response @ Watkins Glen!!!!
This Sunday I'll be installing to housing and modifying the intake accordingly. Tuning it on the dyno will then commence and hopefully positive results follow
May 23, 2008, 03:10 PM
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RRE had a spare housing kicking around for $25 and about another $100 for the various coupler, tubing, and velocity stack to make up the inlet. Worked with some connections at an "unnamed" turbo manufacturer to get the specs for the antisurge flow requirements and resized/implemented them accordingly on this stock housing. I personally think it would be a bit too costly to do outright for customers unless they REALy wanted to keep the stock 16g for ultimate throttle response, as did my buddy in this case(2003 Evo 8 track/auto-x car)Here's a couple pictures of the machined housing during and after I did the port machining but before welding on the new 4" inlet:
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May 23, 2008, 04:10 PM
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Jun 1, 2008, 08:02 AM
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We here's a crappy dyno sheet of one of the pulls we made. i think it's pull #3 or 4. I've got to go and find out where I save the last couple pulls of the day, around 310 uncorrected TQ and like ~300-305 uncorrected whp.
Can't figure out how to post a PDF file??? So I have to do a "prnt scrn" of the image a couple times and upload them as a JPG. anyone know how to post a PDf file directly???
Stock 16G compressor wheel and 10.9 turbine housing, just added the 4" inlet antisurge compressor housing I made and tuned for ~23-24lbs of boost. Dyno was a Mustang Dyno at Moon Performance in Lake Placid NY. Car pulls all the way to redline which is nice. Peaks out at 24lbs of boost and falls off to about 21.5 at redline.
Surge seems to definitely be quenched but I might have to do a little more tweaking to make it perfect. I'll know more about the cars' driveability when Eric goes to MA next week for an auto-x and has to put some mileage on her
Can't figure out how to post a PDF file??? So I have to do a "prnt scrn" of the image a couple times and upload them as a JPG. anyone know how to post a PDf file directly???
Stock 16G compressor wheel and 10.9 turbine housing, just added the 4" inlet antisurge compressor housing I made and tuned for ~23-24lbs of boost. Dyno was a Mustang Dyno at Moon Performance in Lake Placid NY. Car pulls all the way to redline which is nice. Peaks out at 24lbs of boost and falls off to about 21.5 at redline.
Surge seems to definitely be quenched but I might have to do a little more tweaking to make it perfect. I'll know more about the cars' driveability when Eric goes to MA next week for an auto-x and has to put some mileage on her
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