Pure Motorsport: JDL Turbo BRZ Track Build

[ATL BRZ]

Originally Posted by smbstyle

Looks good!

How did you mount your camera in the second video?

Thanks! I used the suction cup mount on the back window.

[ATL BRZ]

Full refund for Borla header received today, JDL UEL header has been ordered and should be getting produced and shipped to me soon.

Looking forward to finally having flat flanges and no torque dip with the added boxer rumble bonus!

[cfig21]

Originally Posted by ATL BRZ

Full refund for Borla header received today, JDL UEL header has been ordered and should be getting produced and shipped to me soon.

Looking forward to finally having flat flanges and no torque dip with the added boxer rumble bonus!

Have you heard any FRS/BRZ with an UEL header yet?

[ATL BRZ]

Originally Posted by cfig21

Have you heard any FRS/BRZ with an UEL header yet?

I've heard a few 86s with UEL headers, actually.

From mild (stock over/front/midpipe with aftermarket axleback):

& http://www.youtube.com/watch?v=K3_dGI1zqXQ


To wild (Perrin over/front/unresonated catback):

I plan to keep the volume and tone under control by leaving the stock over/front/midpipe and running the muffled axleback I've already got on the car from WORKS. Should sound similar to the two above "mild" videos. A catted front pipe, a well resonated midpipe, and rear muffler(s) together are believed to be the keys to avoiding obnoxious volume levels and rasp in the note.

[swift996]

When I threw on my uncatted front pipe on it got loud quick. Very raspy on the EL (and I'm running the catted header). I might go with a high cat front pipe but I'm not sure yet. I don't want anything too loud, I like a little growl but more sound from the intake. I've heard a lot of UELs, they sound really good even as you open them up more and more. Interested in seeing how you like the JDL, my FA20Club made the torque dip disappear. (Hitting another dyno on saturday)

[ATL BRZ]

Originally Posted by swift996

When I threw on my uncatted front pipe on it got loud quick. Very raspy on the EL (and I'm running the catted header). I might go with a high cat front pipe but I'm not sure yet. I don't want anything too loud, I like a little growl but more sound from the intake. I've heard a lot of UELs, they sound really good even as you open them up more and more. Interested in seeing how you like the JDL, my FA20Club made the torque dip disappear. (Hitting another dyno on saturday)

I'm not going to mess with the stock over/front pipes for now. I'm too faithful in the stock front pipe's ability to kill rasp and decibels. Might get a WORKS midpipe eventually since it will bolt up to all the stock stuff and my WORKS axleback but I'm not sure its got a long enough resonator to tame the header.

The JDL UEL header should get rid of the dip completely and with a tune it should turn it into a bump. Moto-East made 205whp with their E85 tune, JDL UEL header, Perrin Headerback and Intake so I'd expect once I get around to tuning mine that 190whp would be do-able on 93 octane gas.

[swift996]

Originally Posted by ATL BRZ

I'm not going to mess with the stock over/front pipes for now. I'm too faithful in the stock front pipe's ability to kill rasp and decibels. Might get a WORKS midpipe eventually since it will bolt up to all the stock stuff and my WORKS axleback but I'm not sure its got a long enough resonator to tame the header.

The JDL UEL header should get rid of the dip completely and with a tune it should turn it into a bump. Moto-East made 205whp with their E85 tune, JDL header, Perrin Headerback and Intake so I'd expect once I get around to tuning mine that 190whp would be do-able on 93 octane gas.

Yeah, I probably got another 3-4hp by running an uncatted front pipe but it was just too much for me. It felt a little more "optimized" with my unichip map but all in all, the OEM components are great at killing noise and aren't that restrictive with a N/A setup. I wish I could run E85, I don't have any near me.

[ScionFrsFan]

Originally Posted by swift996

Yeah, I probably got another 3-4hp by running an uncatted front pipe but it was just too much for me. It felt a little more "optimized" with my unichip map but all in all, the OEM components are great at killing noise and aren't that restrictive with a N/A setup. I wish I could run E85, I don't have any near me.

That's good info to know. I was thinking about getting a front pipe but for just a extra 3-4 hp...iono if that's worth it for the extra sound it might bring

[ATL BRZ]

Originally Posted by ScionFrsFan

That's good info to know. I was thinking about getting a front pipe but for just a extra 3-4 hp...iono if that's worth it for the extra sound it might bring

The only catless front pipe I'd consider buying would be the HKS since it features two nice beefy resonators:

[ScionFrsFan]

I wasn't daring to go catless lol. I was looking at berk's frontpipe that's catted. Yet again the sound would be "up in the air" who knows what it sound like. That being said 3-4 hp is pretty small. Not sure if worth it.

[ATL BRZ]

Originally Posted by ScionFrsFan

I wasn't daring to go catless lol. I was looking at berk's frontpipe that's catted. Yet again the sound would be "up in the air" who knows what it sound like. That being said 3-4 hp is pretty small. Not sure if worth it.

I personally don't think it's worth it unless you're going FI and want a HFC or catless front pipe to maximize power. While n/a I'd just apply that $300 towards something else, like a header or suspension components.

[Marcoscrdo]

Change her name to Godess Melanie because she looks perfect!

[ATL BRZ]

Getting ready for another weekend at Road Atlanta; putting numbers on the car this time and running it in group 4 as well as instructing a group 1 student with Peachstate PCA.

Had the car aligned this morning at Gran Turismo East, great shop and they were very helpful in getting the car dialed in again.

Before the alignment I had installed the new updated Whiteline Com-C top mounts as well as the RCE hollow sways. After the first track day with that setup last month I drove home with a steering wheel that was a bit off to the left while tracking dead straight. Apparently some of the harsh areas on track had knocked the rear toe way off and was causing the issue.

EDITED

I wanted to try a little more rear camber this time just to see how the car feels and responds to it. The front is apparently maxed out with negative camber which puzzles me. No camber bolts in the front, but I thought the Com-C top mounts would allow more than that. If anyone else has alignment settings to share with the Com-C's I'd be interested to see them and compare. ( @Racecomp Engineering ?)

Anyways, the car is tracking straight when the wheel is straight now and it feels a bit tighter than before. We'll see how it goes on the track at Road Atlanta this weekend.

I'm well aware of the injector seal failures that some folks are experiencing so I'm taking @mad_sb 's advice and will be trying my best to slow down my upshifts to avoid knocking via the flawed factory transient ignition retard tables. Also will be trying some Torco Accelerator (concentrated race gas) in my tank for some extra knock protection this weekend on track.

[Racecomp Engineering]

Something is wrong with your caster. You've got 6.6 on one side and 3.9 on the other? Not good.

I'd expect more camber too with the COM-C mounts.

- Andy