Just got dyno'd for my 16g Turbo upgrade - Subaru WRX Forum
 
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post #1 of 15 Old 12-10-2008, 12:14 AM Thread Starter
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Just got dyno'd for my 16g Turbo upgrade

Just thought I'd like to share it with everyone. especially since theres not too much on standard 16g turbos. The tune is super smooth and runs great! Nothing jaw-dropping, just a dailydriver/autoX car.

here's the engine mods:
Cobb AP V.2
FP16g turbo (ported n polished by SlowBoyRacing)
DeatschWerks 650cc Injectors
Walbro 255lph Fuel Pump
Helix TMIC
Cobb SF Intake
GodSpeed Turbo Inlet
Helix Catless DP
Helix Catless Up
SubieSport Lightweight Pulleys
Gruppe-S BCS
HKS SSQV BOV



Dyno Sheet

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AFR Sheet

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Feel free to give feedback or ask questions
Brandon F.
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post #2 of 15 Old 12-10-2008, 11:14 AM
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So is an aftermarket BCS and BOV required when putting a 16g turbo on?
I'm looking at doing the same thing within the next year.
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post #3 of 15 Old 12-10-2008, 03:29 PM Thread Starter
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you dont need either.
the BOV came with the car when i bought it.
the BCS just gives the tuners more room to play with the tune.
i'd rather them tune down than max out and have no room to improve.
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post #4 of 15 Old 12-10-2008, 03:44 PM
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Thanks

You are the best! LOL thanks for posting this I am thinking of running a extremely similar set up this was nice to see what kind of numbers I should expect to see from a actual person as apposed to potentially biased sites. Once again thanks alot for the post very helpful!

Dream Evil
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post #5 of 15 Old 12-10-2008, 04:17 PM
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u still werkin off stock clutch?
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post #6 of 15 Old 12-10-2008, 07:28 PM
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stock clutch can handle it. if he gets a "grabbier" clutch without upgrading the tranny. its lible to take out second gear.
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post #7 of 15 Old 12-11-2008, 12:27 AM
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Nice setup and numbers. As long as you are happy with it, thats all that matters.

Joshua
"2007 WRX- PPG'd, 20G- Tim Bailey tuned
Stage 2 2005 WRX
Cobbtuning.com"
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post #8 of 15 Old 12-11-2008, 02:37 AM Thread Starter
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i have JDM STi RA gears and an ACT street clutch.. i'll be fine as long as i dont drive like an idiot.

and these numbers are on 19psi tapered to 17psi in case anyone was wondering.
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post #9 of 15 Old 12-11-2008, 10:57 AM
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BIG 16g ? 7cm or 8cm turbine housing ?

Paul
2002 WRX Sold
2007 WRX Sold
2007 STi totaled
2007 Foz XT sold
2007 MS3
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post #10 of 15 Old 12-11-2008, 06:16 PM Thread Starter
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no. Standard 16g. 7cm. 510cfm
271awhp @19psi
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post #11 of 15 Old 12-11-2008, 09:08 PM
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Just shy of 250 ft lbs of torque also huh? Looks like it actually pulls pretty hard. Thats what Im eventually looking for in my car.

Joshua
"2007 WRX- PPG'd, 20G- Tim Bailey tuned
Stage 2 2005 WRX
Cobbtuning.com"
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post #12 of 15 Old 12-11-2008, 10:31 PM
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The regular 16G tops out pretty easy on the 2.5L. Here's the EJ257 on another mustang dyno with a 16G. You can see the rapid fall off. It's actually spent before 5252 rpm so the hp is less than the torque. You can see boost start falling at 3600 rpm even (green line). Granted I'm a little intercooler limited but it's far from an ideal boost curve. Even 14 PSI is pushing the of efficiency range of the turbo and power freefalls after 6000rpm


An 18G is a much better sized turbo for the 2.5L. The 16G is much better suited to the EJ205 2.0L but even then, many people will find it small.

04 STi 16G powered lagless fun
04 WRX: SOLD
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post #13 of 15 Old 12-12-2008, 05:07 AM Thread Starter
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man.. if i had a 2.5L i would run at least a 20G.. but thats just me.
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post #14 of 15 Old 12-12-2008, 10:44 AM
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20G's are a little laggy.... Depends on what different ppl want to do w/the car.... EVO316G would be ideal for auto-x.... MAYBE a 18G. Not "too" clued in on the 18G.

Paul
2002 WRX Sold
2007 WRX Sold
2007 STi totaled
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post #15 of 15 Old 12-30-2008, 12:39 AM
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So you didn't have any problems with the fp16g? A buddy of mine said they were shit and now its got me all worried, Posted my own little thread on here about that didn't get to many positive responses so far >_<.

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