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· Registered
2018 Focus ST3
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270 Posts
Discussion Starter · #1 · (Edited)
Full power mods list (in order of flow path):
-Generic 3D printed snorkel
-Flowmaster Delta Intake
-G25-550 0.72 AR turbo
-3P hot side charge pipe with Greddy BOV flange
-Greddy Type S BOV mounted on hot side charge pipe
-Levels FMIC
-JBR cold side charge pipe (with meth bung plugged)
-Tial MV-S 38mm wastegate w/ 3P dump pipe
-Mountune sports cat (200 cell count) downpipe
-Thermal R&D catback exhaust (with 3" adapter and Vibrant Ultra Quiet resonator added in)
-Tuned by Alan @EdgeAutosport.com with Cobb APv3

Other mods:
-RS OEM shifter
-JBR short shift arm @ 20% reduction
-Shifter cable, bracket, base bushings
-Innovative 75A rear motor mount
-Radium PCV baffle plate
-Damond stage 3 catch can
-Sound symposer delete
-Hella Supertones

Date of purchase: June 23, 2018
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Drove it to the in-laws' house.

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I immediately went to my first car meet, filled with lots of STs. I parked away from everyone since I was the new guy.

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One of them gave me this.

Day 4: Green Filter.
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Day 4: Tinted windows.
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Day 5: Sound symposer delete
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Day 13: Thermal R&D catback exhaust.
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It stayed this way all the way until March 2020.
 

· Registered
2018 Focus ST3
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270 Posts
Discussion Starter · #2 ·
2020: Lockdown mods

Bored, painted calipers.
390443


My favorite BOV sound: the NGR Type S
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I plumbed this pipe into the hot side, routed it to the sound symposer delete.
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Dipped the premiums using Gunmetal and glossifier.
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Scored a used FMIC locally. Dogs approve.
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I am not a free advertising board. Levels logo deleted, FMIC installed.
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Innovative 75A RMM
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Hella Supertones and 3D-printed snorkel.
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Picked up a used Mountune catted DP and adapter from Thermal to make my exhaust a true 3".
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Local guy traded his RS wing for my ST wing.
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· Registered
2018 Focus ST3
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270 Posts
Discussion Starter · #4 ·
Vibrant Ultra Quiet, because peace & quiet is underrated. It took 3 tries for amazon to send me one that wasn't bent.
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New hotside charge pipe from 3P Performance.
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RS OEM shifter/before after, as well as JBR short shift arm and all the solid metal bushings.
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Flowmaster Intake. I liked the airbox design, and the fact that the pipe was plastic (less heat soak).
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AP and Sync 3.4
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Charge pipe installed.
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Knob from Shift Solutions.
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Pulled the intake mani to do Radium PCV baffle plate, both Damond catch cans, and tried to clean the valves using chemicals and a shop vac.
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How my valves looked at 38k (before cleaning).
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· Registered
2018 Focus ST3
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270 Posts
Discussion Starter · #7 ·
New turbo arrives: G25-550 0.72 AR
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This plug can be removed and used as a boost source. No drilling of charge pipes required.
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Blanket to keep temps down under the hood, possibly increase spool.
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Homemade wastegate tester. TiAL springs are very inaccurate these days.
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During the turbo install, I didn't like how the coolant return was being pinched by a protrusion on the block.
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I also stupidly kept the metal gasket from the OEM turbo on. Don't do this!
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Turbo came off and went back on correctly. Coolant return line routed upwards. Dump pipe connected!
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· Registered
2018 Focus ST3
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270 Posts
Discussion Starter · #8 · (Edited)
What a mess!
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Turbo install was done alone on jackstands over a weekend. I took my time and lots of breaks. About 12 hours on Saturday, 10 on Sunday. Intake either sits too close to the passenger side, and doesn't meet the filter section, or sits too high and touches the cowl if using the supplied extender.
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Wastegate hiding, with insulated vacuum line.
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All my favorite sounds come from here: Type S BOV and EWG Dump! The silicone coupler supplied by 3P was just barely long enough. With the big turbo in, it was a stretch. I cut some 2.5" coupler and replaced it here.
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Base map from Alan @EdgeAutosport.com on wastegate pressure. Tial's 14.5 psi springs end up hitting 21-22 PSI.
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First revision logged. datazap.me | jwuonog | G25-550 v1.01
390482
 

· Registered
2018 Focus ST3
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270 Posts
Discussion Starter · #14 ·
You going to run Auxiliary fuel? My tune tops out at just under 26 psi on 93 stock fuel. I know about how long the turbo takes to install in stands. I had my car up Friday night ready to go. Saturday in August started at 5am and quit at 7pm. To breaks at all. Back to it Sunday at 9am and finished after 12pm. I did do the waste gate and cold side charge pipe with BOV at the same time though. Also the waste gate and dump tube of course.
As of now, I don't plan to install aux fuel. I may do WMI later but only for the cooling/cleaning. If I do upgrade the fuel, I'd want to go with the HPFP and maybe even injectors.
 

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2018 Focus ST3
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270 Posts
Discussion Starter · #18 ·
My tuning is now done. Alan Jackson at Edgeautosport did my e-tunes for both 93 pump and E30. It rained several days since I started tuning, but he was still able to get my tunes done within 2 weeks. The car runs GREAT. When not in boost, it feels just as smooth and mild as stock. When the boost comes in, it pulls hard.

I asked for a safe and reliable tune, since this is my daily. Numbers look great.

Check out my datalogs.
Final 93 tune datalog

Final E30 tune datalog
 

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2018 Focus ST3
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270 Posts
Discussion Starter · #24 ·
The headlight lens are easy. Tail light lens are sonically welded.

Looks good. How's the reverse lamp output?
I have some super bright LEDs in there, so the light output is still great. Stock turn signals in there too, but those also come out just fine.

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