Cosworth Supercharger Owners Thread - Page 86 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Seba · 09-04-2018, 06:41 AM

How much cooolant should be in the IC tank when cold?

Seba · 09-04-2018, 06:43 AM

Quote:

Originally Posted by sly

Just took the car for it's first real road trip. 6 hours one way and it was flawless. Interstate and back roads. Averaged 31mpg.

22mpg

botbs · 09-04-2018, 01:43 PM

I finally drove the car for 500km after the SC is installed.

Before the car is in operation temperature (90 – 100c Oil Temp), car still have idle dip and automatically rev up to 2k RPM at a complete stop. After the car is in operation temperature, no idle dip. Is this normal?

When I rev up the car at around 4500 rpm, it feels like the car has an extra punch (way more obvious than without the SC).

I still haven’t had a chance to datalog the car and send it to Matt.

sroby · 09-04-2018, 04:00 PM

Get the tune checked. Should not have idle drop. Possible vacuum leak.

Matt@Cosworth · 09-05-2018, 01:54 AM

Quote:

Originally Posted by botbs

I finally drove the car for 500km after the SC is installed.

Before the car is in operation temperature (90 – 100c Oil Temp), car still have idle dip and automatically rev up to 2k RPM at a complete stop. After the car is in operation temperature, no idle dip. Is this normal?

When I rev up the car at around 4500 rpm, it feels like the car has an extra punch (way more obvious than without the SC).

I still haven’t had a chance to datalog the car and send it to Matt.

send me the data log chap and I'll take a look at it

Matt@Cosworth · 09-05-2018, 01:55 AM

Quote:

Originally Posted by Seba

How much cooolant should be in the IC tank when cold?

level is about 1" from the top or thereabouts, you will lose a tiny amount over time as vapour as the cap isn't sealed

ajc209 · 09-05-2018, 05:15 AM

The idle dip is hit and miss how quick it learns. Sometime after loading and map it learns really fast other it take ages. Same map.

There is a fair surge after going past 4k ish
As the torque picks up a bit.

Sent from my SM-G935F using Tapatalk

Seba · 09-05-2018, 08:28 AM

Quote:

Originally Posted by Matt@Cosworth

level is about 1" from the top or thereabouts, you will lose a tiny amount over time as vapour as the cap isn't sealed

Thanks, I will have to add some distilled water.

enigma · 09-07-2018, 01:51 AM

Oops. Just ordered a smaller pulley.

I hate when accidents happen...

RallySport Direct · 09-07-2018, 05:08 PM

We have a few more pulleys in stock!

https://www.rallysportdirect.com/par...-pulley-63-5mm

- Pumpkyn

sly · 09-07-2018, 08:21 PM

Quote:

Originally Posted by RallySport Direct

We have a few more pulleys in stock!

https://www.rallysportdirect.com/par...-pulley-63-5mm

- Pumpkyn

Quote:

The item "Cosworth FA20 Undersized Supercharger Pulley (63.5mm)" is invalid and has been removed from your cart.

Looks like the online ordering for this part is still not working. I had to have mine manually added to my order. The system still thinks it's part of a bundle.

sly · 09-07-2018, 08:37 PM

It took hundreds of miles and over a week but I got one more CEL. P0456 - EVAP Control System Leak Detected Very Small Leak

I'm going to go back over the system and replace the hose clamps with worm gear clamps to ensure everything is tight. No drivability issues at all. Car still runs great and is getting good mileage. I haven't gotten any other codes since Matt deleted my previous EVAP code from the ECU. I'm not sure if I have an actual EVAP purge line leak or if this ECU is just extra finicky.

Greacemonkey · 09-14-2018, 12:20 PM

Running the kit for 400km now and everything run well so far. So happy with it! Do you find that cold start are a bit less aggressive than before the mods?
I also thinks that a reason why I don't feel much of a difference in some of the power band too is because the car was already modified before I put the SC (el Header, full straight exhaust and OFT), so hp increase was a bit less of a shock.
A thing I like too is the tune, my car do less random backfires than with the OFT (better AFR or timing maybe).
I have a concern about the coolant concentration, 25% of glycol is good for summer but what about winter? is there a reason why the ration is so low, is it just performance wise or 50/50 concentration would be hard on the hardware? I live in one of the coldest city in Canada during winter (outdoor temp can hit -40 to -50 degrees Celsius) and the car will be park outside. I would prefer to drain the system instead of putting coolant that would ware it.

gtengr · 09-14-2018, 01:56 PM

Do any front strut bars fit? Anyone looked into fabbing a curved one?

09-04-2018, 06:41 AM	#1191
Seba Senior Member Join Date: Oct 2015 Drives: BRZ Cosworth SC MY16 Location: Poland Posts: 108 Thanks: 30 Thanked 73 Times in 45 Posts Mentioned: 1 Post(s) Tagged: 1 Thread(s)	How much cooolant should be in the IC tank when cold? __________________ My BRZ build thread http://www.ft86club.com/forums/showt...%27s+white+brz

09-07-2018, 01:51 AM	#1199
enigma Senior Member Join Date: Dec 2011 Drives: Asphalt 86 Location: Olathe, KS Posts: 174 Thanks: 6 Thanked 147 Times in 66 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	Oops. Just ordered a smaller pulley. I hate when accidents happen... __________________ My Build - Cosworth Supercharged Kansas City 86 FR-S/BRZ Enthusiasts Club

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09-04-2018, 01:43 PM	#1193
botbs Senior Member Join Date: Aug 2012 Drives: 18 BRZ tS, 27 GRMN 86 Location: Canada Posts: 455 Thanks: 444 Thanked 289 Times in 137 Posts Mentioned: 5 Post(s) Tagged: 0 Thread(s)	I finally drove the car for 500km after the SC is installed. Before the car is in operation temperature (90 – 100c Oil Temp), car still have idle dip and automatically rev up to 2k RPM at a complete stop. After the car is in operation temperature, no idle dip. Is this normal? When I rev up the car at around 4500 rpm, it feels like the car has an extra punch (way more obvious than without the SC). I still haven’t had a chance to datalog the car and send it to Matt.

09-04-2018, 04:00 PM	#1194
sroby Senior Member Join Date: Oct 2014 Drives: 2015 Firestorm 08/05/15 Location: Dallas Ga Posts: 320 Thanks: 376 Thanked 122 Times in 76 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	Get the tune checked. Should not have idle drop. Possible vacuum leak.

09-05-2018, 05:15 AM	#1197
ajc209 Senior Member Join Date: Dec 2011 Drives: GT86 Cosworth Location: UK Posts: 753 Thanks: 361 Thanked 270 Times in 188 Posts Mentioned: 9 Post(s) Tagged: 1 Thread(s)	The idle dip is hit and miss how quick it learns. Sometime after loading and map it learns really fast other it take ages. Same map. There is a fair surge after going past 4k ish As the torque picks up a bit. Sent from my SM-G935F using Tapatalk

09-07-2018, 05:08 PM	#1200
RallySport Direct Join Date: Apr 2012 Drives: 2014 Widebody Cosworth FR-S Location: Salt Lake City, Utah Posts: 4,542 Thanks: 205 Thanked 1,198 Times in 554 Posts Mentioned: 38 Post(s) Tagged: 0 Thread(s)	We have a few more pulleys in stock! https://www.rallysportdirect.com/par...-pulley-63-5mm - Pumpkyn

09-07-2018, 08:37 PM	#1202
sly Senior Member Join Date: Dec 2015 Drives: 2016 Cosworth 2.2 BRZ Location: TN Posts: 302 Thanks: 81 Thanked 185 Times in 112 Posts Mentioned: 10 Post(s) Tagged: 0 Thread(s)	It took hundreds of miles and over a week but I got one more CEL. P0456 - EVAP Control System Leak Detected Very Small Leak I'm going to go back over the system and replace the hose clamps with worm gear clamps to ensure everything is tight. No drivability issues at all. Car still runs great and is getting good mileage. I haven't gotten any other codes since Matt deleted my previous EVAP code from the ECU. I'm not sure if I have an actual EVAP purge line leak or if this ECU is just extra finicky.

09-14-2018, 12:20 PM	#1203
Greacemonkey Member Join Date: Jul 2018 Drives: dark grey Scion frs 2013 Location: MB, Canada Posts: 17 Thanks: 14 Thanked 7 Times in 5 Posts Mentioned: 0 Post(s) Tagged: 0 Thread(s)	Running the kit for 400km now and everything run well so far. So happy with it! Do you find that cold start are a bit less aggressive than before the mods? I also thinks that a reason why I don't feel much of a difference in some of the power band too is because the car was already modified before I put the SC (el Header, full straight exhaust and OFT), so hp increase was a bit less of a shock. A thing I like too is the tune, my car do less random backfires than with the OFT (better AFR or timing maybe). I have a concern about the coolant concentration, 25% of glycol is good for summer but what about winter? is there a reason why the ration is so low, is it just performance wise or 50/50 concentration would be hard on the hardware? I live in one of the coldest city in Canada during winter (outdoor temp can hit -40 to -50 degrees Celsius) and the car will be park outside. I would prefer to drain the system instead of putting coolant that would ware it.

09-14-2018, 01:56 PM	#1204
gtengr Senior Member Join Date: Nov 2016 Drives: 2017 BRZ Location: USA Posts: 655 Thanks: 326 Thanked 258 Times in 177 Posts Mentioned: 3 Post(s) Tagged: 0 Thread(s)	Do any front strut bars fit? Anyone looked into fabbing a curved one?

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