JDL 4-2-1 EL header - Page 11 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Roadcone · 01-28-2019, 10:08 AM

Mine only has a minor clearance issue on the aluminum undertray on one runner and I passed that info on to Jesse. I assumed it was due to worn out engine mounts on my car. The mounting holes that bolt to the heads are just very precise you have to be dead on straight when you install it.

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TMF · 01-28-2019, 10:45 AM

Quote:

Originally Posted by jflogerzi

You might want to let JDL on what you did for more clearance. Feedback is always good.

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Quote:

Originally Posted by tobin

Hmmm...wonder if they will revise the second batch to fix these clearance issues?

Yea, I can let Jesse know. It honestly was not bad though, I probably moved the metal less than 1/8". I think the bigger challenge was that the mounting holes didn't match up exactly perfect, so having that little bit of extra wiggle room made it easier to get the header up and mated. Every engine and every header will have slightly different tolerances...easiest thing would be slightly larger mounting holes.

JBezugs · 02-28-2019, 11:29 AM

As I wait in anticipation for spring to end so I can pull my BRZ out of storage and get this header on and dyno’d...

Anyone have independent numbers yet?

J1Avs · 02-28-2019, 01:09 PM

Quote:

Originally Posted by JBezugs

As I wait in anticipation for spring to end so I can pull my BRZ out of storage and get this header on and dyno’d...

Anyone have independent numbers yet?

The original numbers and dyno charts shown were actually done independently. I spoke to the guy who was testing/tuning it one day at a local DC AutoX event. Looked and sounded awesome.

JBezugs · 03-01-2019, 09:23 AM

Quote:

Originally Posted by J1Avs

The original numbers and dyno charts shown were actually done independently. I spoke to the guy who was testing/tuning it one day at a local DC AutoX event. Looked and sounded awesome.

Fair enough! I am beyond excited to get it on my car and tuned; if only spring could come quicker...

Roadcone · 03-01-2019, 09:48 AM

Technically today is the first day of meteorological spring...

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JBezugs · 03-01-2019, 09:50 AM

Quote:

Originally Posted by Roadcone

Technically today is the first day of meteorological spring...

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This is correct, however, Canada laughs at that prospect... this was my winter beater on Wednesday. This winter is the most snow we’ve seen in 18 years!

Roadcone · 03-01-2019, 10:17 AM

That's what you get for trying to live with Santa

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Roadcone · 03-02-2019, 01:09 PM

So I knew I had some clearance issues and this is a 95k mile car bit wow.. I'm pretty sure it melted the aluminum to it.

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Yoshoobaroo · 03-02-2019, 02:00 PM

Quote:

Originally Posted by Roadcone

So I knew I had some clearance issues and this is a 95k mile car bit wow.. I'm pretty sure it melted the aluminum to it.

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I'm very surprised you did not hear / feel that. My UEL was the skid plate before massaging the plate, it was ludicrously loud in the car.

JBezugs · 03-18-2019, 05:18 PM

Booked my install and dyno tuning at Touge Tuning/OnPoint Dyno (as seen in Speed Academy) for mid April!

One more month of waiting...

tobin · 03-19-2019, 11:07 AM

Quote:

Originally Posted by Yoshoobaroo

I'm very surprised you did not hear / feel that. My UEL was the skid plate before massaging the plate, it was ludicrously loud in the car.

IMO this is a premium header with the price tag to reflect that; I'm surprised that customers are having so many issues with fitment.

Roadcone · 03-19-2019, 11:11 AM

Quote:

Originally Posted by tobin

IMO this is a premium header with the price tag to reflect that; I'm surprised that customers are having so many issues with fitment.

It's a hand made part that has a lot going on in a small space. I mentioned my issue to Jesse so hopefully he's since tweaked it.

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86TOYO2k17 · 03-19-2019, 11:52 AM

The skid plate is a well known issue across numerous headers. The skid plate was designed/positioned around stock header. Part of what makes a lot of aftermarket headers effective in adding power is changing the runner length and angles etc.. which results in more power but also contacting the skid plate. Nothing a rubber mallet and 30seconds of time can’t resolve though. It has nothing to do with a bad or low quality design.

01-28-2019, 10:08 AM	#141
Roadcone StreetKart Join Date: Jul 2013 Drives: 2014 Scion FR-S Monogram Location: Upstate, SC Posts: 477 Thanks: 43 Thanked 180 Times in 111 Posts Mentioned: 10 Post(s) Tagged: 1 Thread(s)	Mine only has a minor clearance issue on the aluminum undertray on one runner and I passed that info on to Jesse. I assumed it was due to worn out engine mounts on my car. The mounting holes that bolt to the heads are just very precise you have to be dead on straight when you install it. Sent from my Pixel 2 XL using Tapatalk __________________ TRD\|Verus Engineering\|Titan7\|DEZOD Motorsports\|JDL Auto Design

02-28-2019, 11:29 AM	#143
JBezugs Good Job Subaru! Join Date: Mar 2016 Drives: Green '17 BRZ Sport-Tech MT Location: Toronto, Ontario, Canada Posts: 348 Thanks: 141 Thanked 327 Times in 154 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	As I wait in anticipation for spring to end so I can pull my BRZ out of storage and get this header on and dyno’d... Anyone have independent numbers yet? __________________ My Green 2017 BRZ Build Thread

03-01-2019, 09:48 AM	#146
Roadcone StreetKart Join Date: Jul 2013 Drives: 2014 Scion FR-S Monogram Location: Upstate, SC Posts: 477 Thanks: 43 Thanked 180 Times in 111 Posts Mentioned: 10 Post(s) Tagged: 1 Thread(s)	Technically today is the first day of meteorological spring... Sent from my Pixel 2 XL using Tapatalk __________________ TRD\|Verus Engineering\|Titan7\|DEZOD Motorsports\|JDL Auto Design

03-01-2019, 10:17 AM	#148
Roadcone StreetKart Join Date: Jul 2013 Drives: 2014 Scion FR-S Monogram Location: Upstate, SC Posts: 477 Thanks: 43 Thanked 180 Times in 111 Posts Mentioned: 10 Post(s) Tagged: 1 Thread(s)	That's what you get for trying to live with Santa Sent from my Pixel 2 XL using Tapatalk __________________ TRD\|Verus Engineering\|Titan7\|DEZOD Motorsports\|JDL Auto Design

03-02-2019, 01:09 PM	#149
Roadcone StreetKart Join Date: Jul 2013 Drives: 2014 Scion FR-S Monogram Location: Upstate, SC Posts: 477 Thanks: 43 Thanked 180 Times in 111 Posts Mentioned: 10 Post(s) Tagged: 1 Thread(s)	So I knew I had some clearance issues and this is a 95k mile car bit wow.. I'm pretty sure it melted the aluminum to it. Sent from my Pixel 2 XL using Tapatalk __________________ TRD\|Verus Engineering\|Titan7\|DEZOD Motorsports\|JDL Auto Design

03-18-2019, 05:18 PM	#151
JBezugs Good Job Subaru! Join Date: Mar 2016 Drives: Green '17 BRZ Sport-Tech MT Location: Toronto, Ontario, Canada Posts: 348 Thanks: 141 Thanked 327 Times in 154 Posts Mentioned: 4 Post(s) Tagged: 0 Thread(s)	Booked my install and dyno tuning at Touge Tuning/OnPoint Dyno (as seen in Speed Academy) for mid April! One more month of waiting... __________________ My Green 2017 BRZ Build Thread

03-19-2019, 11:52 AM	#154
86TOYO2k17 Senior Member Join Date: Jan 2018 Drives: 2017 toyota 86 Location: PNW Posts: 2,131 Thanks: 336 Thanked 1,188 Times in 781 Posts Mentioned: 16 Post(s) Tagged: 0 Thread(s)	The skid plate is a well known issue across numerous headers. The skid plate was designed/positioned around stock header. Part of what makes a lot of aftermarket headers effective in adding power is changing the runner length and angles etc.. which results in more power but also contacting the skid plate. Nothing a rubber mallet and 30seconds of time can’t resolve though. It has nothing to do with a bad or low quality design.

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