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#4901 |
Senior Member
Join Date: May 2015
Drives: 15 BRZ, 2003 MR2, '70 Elky, 06 TBSS
Location: Mobile, Alabama
Posts: 513
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If anyone wants to separate their temp from the pressure and use two different MAP sensors, Ballenger has a good deal on a pre-wired pigtail.
https://www.bmotorsports.com/shop/pr...oducts_id/1626
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The Following User Says Thank You to B T For This Useful Post: | tomm.brz (10-25-2023) |
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#4902 | |
Senior Member
Join Date: Jun 2021
Drives: 2015 FR-S
Location: San francisco
Posts: 362
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Quote:
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The Following User Says Thank You to FrickingReallySlow For This Useful Post: | B T (10-20-2023) |
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#4903 | |
Member
Join Date: Aug 2015
Drives: 2014 ultramarine FR-S monogram
Location: 626
Posts: 14
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Quote:
It is well known that the bypass valve fails and causes these problems. Pull the hose off the back of the supercharger, and suck on it. If it won’t hold a vacuum, you know what the problem is and deal with it. To put the new actuator on, you will need to take the SC off the car. You can change the existing one without doing so, but my experience was less than two years later the problem reoccurs. I recommend putting on the new bigger one. |
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#4904 |
Senior Member
Join Date: Nov 2013
Drives: 2015 BRZ, 2005 STI
Location: San Diego, CA
Posts: 335
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Replaced the bypass actuator valve, MAF o-ring and cleaned/dried the air filter.
I was able to install a majority of the bypass actuator valve by removing the throttle body and 3 vacuum lines off the snout of the supercharger and wedging my hand in there and using a long 1/4" extension and universal joint. I kept on dropping the nylon lock nuts and bolts for the bracket so I ended up temporarily unbolting the AC compressor to give myself more space. The MAF o-ring was brittle and disintegrating, replaced it with a generously silicone-lubed fresh o-ring. Also used MAF cleaner to make sure no air filter oil/grease was on there. Degreased the air filter and removed any sealing grease and let it dry. Since then, I have not had the wonky erratic hunting idle on cold-starts and the throttle response has improved greatly. Driving in 1st gear is no longer jerky and throttle blipping for downshifts is now actually doable. I no longer feel any stumbling or hesitation when going from closed throttle to cracking it open. Even at speed, transitioning from coasting to feeding in a tiny amount of throttle, it is significantly smoother than before. Before, I thought all the jankiness and hesitation was just a side-effect of having a supercharger, but now it feels damn near OEM-levels of drivability. Thanks to all who provided input and advice! |
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The Following 2 Users Say Thank You to menikmati For This Useful Post: | brandonblt2 (10-24-2023), CSG Mike (10-23-2023) |
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#4905 |
Member
Join Date: Aug 2015
Drives: 2014 ultramarine FR-S monogram
Location: 626
Posts: 14
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Now you can drive the car with that edelbrock smile on your face!
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The Following User Says Thank You to bigB For This Useful Post: | menikmati (10-24-2023) |
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#4906 |
The Stig's African Cousin
Join Date: Apr 2014
Drives: 2014 wrb brz
Location: NJ
Posts: 719
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Anyone find a good replacement serpentine belt? The one supplied with the kit used to be a 6 rib, 99.5" Continental Elite Series Belt with Helicog. A few years ago Continental and Goodyear stop making the belt. And now only supply OE Tech Series belts which I have and it squeals a lot! Seems like the old belt is not in stock anywhere anymore.
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Build Thread: http://www.ft86club.com/forums/showt...86#post2219386 Flickr: brandonblt567 |
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#4907 |
Senior Member
Join Date: May 2020
Drives: BRZ ts
Location: SACRAMENTO
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I have a Continental OE Technology Series 4060995 6-Rib, 99.5" Multi-V Belt and never a squeak.
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#4908 |
Member
Join Date: Feb 2015
Drives: BRZ 2015 DGM
Location: Bay Area
Posts: 45
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MAF O-ring
long story short, ive been cleaning my MAF almost every 2 weeks due to MAF fouling. or what i thought it was it at least. my fuel trims would go wack after a few 20psig map pulls.
it would clear everytime i took off the sensor and cleared it. today i thought to change it. took it off and found some tears. it was most likely leaking from high(er) vacuum pressure from those small tears. did some searching/ metric to imperial conversions, and tried this: https://www.mcmaster.com/90025K362/ 4 days so far, and fuel trims (AFR) has been stable. inspect those O-rings! |
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#4909 | |
Senior Member
Join Date: Nov 2013
Drives: 2015 BRZ, 2005 STI
Location: San Diego, CA
Posts: 335
Thanks: 228
Thanked 225 Times in 118 Posts
Mentioned: 3 Post(s)
Tagged: 2 Thread(s)
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Quote:
...do you happen to have any spares. |
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#4910 |
Member
Join Date: Feb 2015
Drives: BRZ 2015 DGM
Location: Bay Area
Posts: 45
Thanks: 1
Thanked 15 Times in 9 Posts
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#4911 |
Senior Member
Join Date: May 2020
Drives: BRZ ts
Location: SACRAMENTO
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Something weird started happening in the last couple weeks. Noticed one weekend getting on the freeway revs were way too high for how fast I was going. Was thinking about it today and was about 75 mph in sixth and went to wot and redlined in seconds. Took a log this afternoon. I have no idea what this log shows but:
https://datazap.me/u/dpfarr/6th-wot?log=0&data=12 Additionally, from the on-ramp there was a light so I did a 1st through 6th. https://datazap.me/u/dpfarr/log-1699...?log=0&data=12 Last edited by dpfarr; 11-12-2023 at 06:26 PM. |
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#4912 |
Senior Member
Join Date: Jul 2018
Drives: 2016 Scion FRS Release Series 2#439
Location: Chatham, Ontario, Canada
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Sounds like your clutch is slipping.
Either it’s worn out or possibly fluid contaminated. Any dripping below?
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Edelbrock S/C with CSG 94 & 91 maps
TRD Short Shifter, CTS/EvoX Brakes Ohlin’s R&T Dampers, Hotchkis F/R Bars, Blox LCA & Toe Arms 235F/245R Conti ECS on TRD/Enkei wheels (street), 245/40 sq. ECF on 17x8 720Form GTF2 wheels (track) |
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#4913 |
Senior Member
Join Date: May 2015
Drives: 15 BRZ, 2003 MR2, '70 Elky, 06 TBSS
Location: Mobile, Alabama
Posts: 513
Thanks: 199
Thanked 202 Times in 142 Posts
Mentioned: 7 Post(s)
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@dpfarr yeah, sounds like clutch slippage. stock clutch? changed clutch fluid in the last couple years?
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The Following User Says Thank You to B T For This Useful Post: | dpfarr (11-13-2023) |
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#4914 |
Senior Member
Join Date: May 2020
Drives: BRZ ts
Location: SACRAMENTO
Posts: 757
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Mentioned: 8 Post(s)
Tagged: 1 Thread(s)
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Cool. Thanks guys. That’s what my tuner said. I have a stock clutch that I incidentally roasted last month driving on steep hills in the bay.
My dog just wiped my cash out with her cancer surgeries. I’ve never replaced a clutch. I’ve done pedal assembly and slave cylinder in my last car. I feel pretty proficient about following directions and adapting to complications, all of which is to say, a clutch job is reasonable to do in the course of a week in my garage? |
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