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2011-2014 Mustangs
Engine/Tuning
Those with Boss IM and 90mm TB Come In
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<blockquote data-quote="SCalla1384" data-source="post: 13932794" data-attributes="member: 90008"><p>I was planning on doing something very similar. I really wanted to make a max effort setup boss intake. I understand the CJ makes more hp. But most people are going from an untouched boss intake, stock throttle body and an off the shelf JLT (worst intake because how bad it necks down at the throttle body) or airaid etc... Going to a smoothed runner CJ, big monoblade and a massive 5" intake. Really not an apples to apples comparison. </p><p></p><p>I had smoothed out the runners on my boss intake. I dynod 419rwhp. Added a lightened steel flywheel and smoothed runners on boss intake and made 430rwhp. Then I would get a random misfire code (from swapping the clutch) Shaun @ AED told me I HAVE to get a neutral profile relearn. Even though it took me 4 times before finding a dealer that wasn't full of morons, one was able to so it. </p><p></p><p>I had sent Shaun logs of my dyno pull after the flywheel/smoothed runners. He sent me a tune with adjusted MAF curve and added 1 degree of timing. </p><p></p><p>So with the neutral relearn and new tune I dynod again and made 450rwhp. I loaded the old tune that I used when I made 430rwhp and made 445rwhp. Shaun said he too lost 15-20rwhp (or gained) after having a neutral profile relearn done. </p><p></p><p>ANYWAYS, so the boss picks up big with smoothed runners. I wanted to open the intake side up. Plan was to open it up as much as possible. Using a micrometer it looks like it can open to about 85-86mm. Wanted to do that, with a 90mm throttle body and a custom 4.5" cold air intake. Velocity/speed will help flow. Not all about just matching the TB to the inlet and cold air intake to the TB. </p><p></p><p>Shaun told me 90mm TB are a mofo to tune with and have drivability issues. So I said **** it then. Worth opening up the intake as much as possible, running an accufab 84.5mm TB and a 4.5" intake. But, 4.5" is about 115mm. Really, it's just way to oversize for only an 84.5mm throttle body. The airaid from what Shaun said at no point is smaller then 90mm. </p><p></p><p>I still do plan on opening up the inlet side of the boss intake and dynoing. Then adding a accufab 84.5mm throttle body and dynoing again to compare that vs stock TB. Would a 4.5" intake be worth it on that setup? Most likely not. I'd like to test it to find out, but I'm confident that Shaun knows what he's doing lol. So I'll most likely skip out on the 4.5" intake and just run the airaid.</p></blockquote><p></p>
[QUOTE="SCalla1384, post: 13932794, member: 90008"] I was planning on doing something very similar. I really wanted to make a max effort setup boss intake. I understand the CJ makes more hp. But most people are going from an untouched boss intake, stock throttle body and an off the shelf JLT (worst intake because how bad it necks down at the throttle body) or airaid etc... Going to a smoothed runner CJ, big monoblade and a massive 5" intake. Really not an apples to apples comparison. I had smoothed out the runners on my boss intake. I dynod 419rwhp. Added a lightened steel flywheel and smoothed runners on boss intake and made 430rwhp. Then I would get a random misfire code (from swapping the clutch) Shaun @ AED told me I HAVE to get a neutral profile relearn. Even though it took me 4 times before finding a dealer that wasn't full of morons, one was able to so it. I had sent Shaun logs of my dyno pull after the flywheel/smoothed runners. He sent me a tune with adjusted MAF curve and added 1 degree of timing. So with the neutral relearn and new tune I dynod again and made 450rwhp. I loaded the old tune that I used when I made 430rwhp and made 445rwhp. Shaun said he too lost 15-20rwhp (or gained) after having a neutral profile relearn done. ANYWAYS, so the boss picks up big with smoothed runners. I wanted to open the intake side up. Plan was to open it up as much as possible. Using a micrometer it looks like it can open to about 85-86mm. Wanted to do that, with a 90mm throttle body and a custom 4.5" cold air intake. Velocity/speed will help flow. Not all about just matching the TB to the inlet and cold air intake to the TB. Shaun told me 90mm TB are a mofo to tune with and have drivability issues. So I said **** it then. Worth opening up the intake as much as possible, running an accufab 84.5mm TB and a 4.5" intake. But, 4.5" is about 115mm. Really, it's just way to oversize for only an 84.5mm throttle body. The airaid from what Shaun said at no point is smaller then 90mm. I still do plan on opening up the inlet side of the boss intake and dynoing. Then adding a accufab 84.5mm throttle body and dynoing again to compare that vs stock TB. Would a 4.5" intake be worth it on that setup? Most likely not. I'd like to test it to find out, but I'm confident that Shaun knows what he's doing lol. So I'll most likely skip out on the 4.5" intake and just run the airaid. [/QUOTE]
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Engine/Tuning
Those with Boss IM and 90mm TB Come In
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