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[fredricktsang]

by WOT maf cal, would that mean increasing the number of break points in the high flow regions and also up the close loop exit load ?

[rfinkle2]

Originally Posted by fredricktsang by WOT maf cal, would that mean increasing the number of break points in the high flow regions and also up the close loop exit load ?

When you get a chance, check out pg. 49 of 86 of the atr help file. It provides a pretty detailed example of the exact situation.

Once you pass the value in the closed loop max load table in the logs, you would use the technique as outlined above to adjust open loop fueling.

[fredricktsang]

Originally Posted by rfinkle2 When you get a chance, check out pg. 49 of 86 of the atr help file. It provides a pretty detailed example of the exact situation. Once you pass the value in the closed loop max load table in the logs, you would use the technique as outlined above to adjust open loop fueling.

Thanks. Totally forgot about this, last time I looked through this was when I knew absolutely nothing.
Will install and do some testing this weekend when I get time.

[ms3blackmica]

My HTP comes in tomorrow. It's too damn cold for me over here (I shouldn't complain, you guys in Canada sun bath in negative temps).

I am going to try to install it tomorrow and begin the tuning process. Unfortunately this issue is nothing new to me. My Cobb SRI never was accurate with the Cobb OTS curve. I had to add about about ~9% at WOT so even if there are some inconsistencies I have never minded tuning for it.

I'll let you guys know soon how it goes.

[faeker]

I had a small issue with the coolant hose below the TIP. I backed it out a little bit off it's connection so the intake would slide into the coupler a bit better. It was pretty damn cold here today. I'm thinking around 27-30 degrees. I did a lovely custom job of moving my ecu to the fuse box too. I'll take some pics tomorrow morning.

[maisonvi]

Originally Posted by faeker I had a small issue with the coolant hose below the TIP. I backed it out a little bit off it's connection so the intake would slide into the coupler a bit better. It was pretty damn cold here today. I'm thinking around 27-30 degrees. I did a lovely custom job of moving my ecu to the fuse box too. I'll take some pics tomorrow morning.

Interested in pics.

Sent from my XT907 using Tapatalk 2

[Lex]

Originally Posted by jdmage_mx5 ^^^^What are your thoughts @Lex; about waiting until I start my tune or just dive in and watch my parameters as I go?

If you know how to calibrate the MAF no reason not to do the same here. Just be aware that you may have to calibrate at WOT as well as part throttle. You can scale your own or even start with the 3.5" I posted which will most likely run richer than commanded (safer if I were to choose one).

[GreyGhost]

Installed my HTP 3" Today. Have the cut knuckles to prove it. Tight fit but kept the ecu in original location. At the advice of HTP i simply removed the ECU cover which gives an additional 3/8" clearance. So far so good. Justin is in the process of Freekin my tune now.

[sidekick]

@Lex; Here is my current MAF Cal.

I just multiplied the whole curve by 1.22693 for now. I can't wait to get this intake installed though. I'll post before/after logs either later tonight or tomorrow. The map won't be changing except for the MAF calibration.

[Lex]

Originally Posted by boost_addict @Lex; Here is my current MAF Cal. I just multiplied the whole curve by 1.22693 for now. I can't wait to get this intake installed though. I'll post before/after logs either later tonight or tomorrow. The map won't be changing except for the MAF calibration.

I removed the cals from your post simply because they can get confusing for people searching for these. By all means try the cal, put some miles on it, and make the adjustments needed and repost when you've verified it and have a solid cal

[sidekick]

Originally Posted by Lex I removed the cals from your post simply because they can get confusing for people searching for these. By all means try the cal, put some miles on it, and make the adjustments needed and repost when you've verified it and have a solid cal

No problem, I thought you wanted me to post it.

On another note, HOW THE FUCK DID YOU GUYS INSTALL THIS? No, but seriously I'm having problems getting the battery back in. Of course it's something stupid like that keeping me from putting it in.

I can't get the holes in the battery tray to line up with thw bolt holes and then when I did, there wasn't enough threads on the hold-down to get the nut threaded down far enough... What the fuck. Any tips for making this thing fit better?

[ms3blackmica]

Originally Posted by boost_addict No problem, I thought you wanted me to post it. On another note, HOW THE FUCK DID YOU GUYS INSTALL THIS? No, but seriously I'm having problems getting the battery back in. Of course it's something stupid like that keeping me from putting it in. I can't get the holes in the battery tray to line up with thw bolt holes and then when I did, there wasn't enough threads on the hold-down to get the nut threaded down far enough... What the fuck. Any tips for making this thing fit better?

Katie provided me with a PDF of the instruction manual via email and I believe I read something about drilling the battery bolt holes wider to be able to slide the tray over a bit and retain the use of the bolts.

I'll check

[faeker]

do what ms3blackmica said in the post above yours or move the ecu like I did to the top of the fuse box.

[aldekei]

That's where the GA goes, lol.

tapawhat

[sidekick]

Originally Posted by faeker do what ms3blackmica said in the post above yours or move the ecu like I did to the top of the fuse box.

I have an MS6, the ECU is in the cabin. I got it in finally though, and it just BARELY fits. I'm going to buy an HTP slim tray soon, because that was a huge PITA.

ANyways, the MAF Cal. seems to be pretty far off or maybe it's still just learning trims. I haven't driven it at all yet, but it's running kinda rough. There could be a leak too, I'm not 100% sure the clamps seated properly, so I'm going to do a boost leak test soon. I'll post some logs later.

Originally Posted by ms3blackmica Katie provided me with a PDF of the instruction manual via email and I believe I read something about drilling the battery bolt holes wider to be able to slide the tray over a bit and retain the use of the bolts. I'll check

You have no idea how long I spent trying to get both battery tray holes to line up... I ended up just leaving a bolt out. Lol. I never got the instructions in an e-mail, so I didn't see that tip.

[sidekick]

Well closed loop AFRs are all over the place and LTFTs are very high at idle/low load. WOT AFRs are very close to my target of 11.4 and seem to pretty much hit it with no problem, but I haven't done a full WOT run yet. Another thing I noticed is that I'm able to hold my boost targets much better with this intake. With the stock intake, I could barely hit 16PSI and it would start tapering off to about 15PSI. Without changing the WGDC at all, I'm actually overshooting my peak boost target by about .5PSI, but holding it easily.

@Lex; @rfinkle2;

Edit: Closed loop AFRs calmed down quite a bit after some driving, but LTFTs were pretty high. +8-14% was the range I saw quite a bit of. I'm working on the MAF Cal. now, but I only got to 55G/s before it transitioned to OL. The MAF Curve doesn't seem to be very smooth after I made the necessary changes. I attached the MAF Cal. logs. There is a very small 3rd gear pull in datalog 6 as well.

[beachshoer]

Originally Posted by boost_addict I have an MS6, the ECU is in the cabin. I got it in finally though, and it just BARELY fits. I'm going to buy an HTP slim tray soon, because that was a huge PITA.

That tray is one of those things that seems like a waste of money till you actually install it. At least to me it was. But holy shit does it give you room and make life easier. After putting it in I have about 2 1/2" between the intake and ECU. I run all my vac lines and occ hoses that way.

[sidekick]

Originally Posted by beachshoer That tray is one of those things that seems like a waste of money till you actually install it. At least to me it was. But holy shit does it give you room and make life easier. After putting it in I have about 2 1/2" between the intake and ECU. I run all my vac lines and occ hoses that way.

After attempting to install the stock battery/tray with this intake, I'd say anyone who is going to buy this intake should just get the tray... I ruined the finish on my intake because of clearance issues with the battery.

So I did a 4th gear pull and I lost power and torque... Lol. After looking at my map, it looks like the higher calc. load just put me into an area of the timing advance table that had very low timing advance. I'll have to adjust it to match the timing advance I was hitting before installing the intake. I attached the 4th gear pull log and a log from before I installed the intake running the same map. You can see I'm running almost no timing advance for most of the pull.

Here is a virtual dyno comparing the two logs I posted. The red line is with the HTP 3" and the blue line is with a stock intake:

Please note that I did NOT lose power because of HTPs intake. There was almost no timing advance until 5,000RPM in this run.

I picked up about 30G/s of airflow over my last logs, which were actually on colder nights than tonight by about 10°f. I'm still hitting my commanded AFR +/-.2., so I don't think the MAF G/s reading is skewed by a bad calibration. My calc. load is higher by about .2, but that could just be from scaling the MAF.

[GODspeed7]

When installing my 3" intake I had no problems getting the battery box to fit. I just made sure the coupler was all the way on the turbo, the pipe all the way in the coupler, and the bracket snugged against the engine. But I will double check to make sure it isn't rubbing.


Tapatalk LIKE A BOSS!

[ms3blackmica]

Boost_addict it's hard to believe you lost power.

Please only show results like that after you have completed your tuning with all things be as equal as possible.

[Lex]

Try the MAF Cal I posted in my thread on the Stratified section. Looking at your MAF scale it seemed over scaled in the top end.

[sidekick]

Originally Posted by ms3blackmica Boost_addict it's hard to believe you lost power. Please only show results like that after you have completed your tuning with all things be as equal as possible.

I explained why though. I posted it thinking something was up, but then realized that the higher calc. loads put me in an area of the timing advance table that was running almost no timing advance. So, that's why I lost power. It had nothing to do with the intake.

Originally Posted by Lex Try the MAF Cal I posted in my thread on the Stratified section. Looking at your MAF scale it seemed over scaled in the top end.

I'll try that, but if it was overscaled, wouldn't I be running rich? I'm hitting my AFR targets almost dead on. I'll give your MAF cal. a shot anyways though.

[fredricktsang]

Lookie what came in just now
Going to install after I finish my lunch :p

[KevMS6]

There has been alot of guys from the UK buying this intake also, certainly selling very well

[sidekick]

Originally Posted by Lex Try the MAF Cal I posted in my thread on the Stratified section. Looking at your MAF scale it seemed over scaled in the top end.

So after the adjustments I made to my MAF cal last night based on the logs I posted, my LTFTs at low load are within +2/-2, so despite the MAF curve looking like there are some slight flat areas, it seems to be working well. I might still make a map with your MAF Cal. just to test it out for you.

I'm going to adjust my timing tables and hopefully post some legit comparison logs tonight.

[ms3blackmica]

Well I just got done taking the car for a spin after installing the HTP 3". I will admit it is a tight fit even with the ECU cover off but I kinda like it..Makes everything nice and snug.

First impressions: The engine is extremely responsive. Very snappy.

I scaled my curve by 1.14 and that got me within 7% on almost the entire curve. Datalog 3 is 3rd gear part throttle to almost redline. Datalog 4 is a quick 4th gear WOT in FTCL. I dropped boost and richened the AFR as I have some new plans to re-work this map with the new intake. I am extremely pleased so far.

[GODspeed7]

Originally Posted by ms3blackmica Well I just got done taking the car for a spin after installing the HTP 3". I will admit it is a tight fit even with the ECU cover off but I kinda like it..Makes everything nice and snug. First impressions: The engine is extremely responsive. Very snappy. I scaled my curve by 1.14 and that got me within 7% on almost the entire curve. Datalog 3 is 3rd gear part throttle to almost redline. Datalog 4 is a quick 4th gear WOT in FTCL. I dropped boost and richened the AFR as I have some new plans to re-work this map with the new intake. I am extremely pleased so far.

I'm on my phone and can't read the logs. Care to give me a dummy rundown? G/s, AFR's at WOT, etc...


Tapatalk LIKE A BOSS!

[ms3blackmica]

Originally Posted by GODspeed7 I'm on my phone and can't read the logs. Care to give me a dummy rundown? G/s, AFR's at WOT, etc... Tapatalk LIKE A BOSS!

Was running in FTCL so AFR's were spot on at 11.6. MAF g/s @ 5500 RPM was 325 g/s with the ECU removing 6.4% so estimating about 305 g/s. This was at 18.5 psi.

I am completely re-working this map so when I get some time to really tune it I will post some legitamite logs with things dialed in.

[fredricktsang]

Just finished installing it. But looks good. Loading up a FTCL map and drive around to get the maf dialed in.

[fredricktsang]

Good news, using Lex's calibration everything seems to be pretty spot on.
At WOT, AFRs are very close to my targeted 11.4. Only have about 10 miles of city driving on the map so LTFT's aren't accurate yet, but seem to be well within +/-8%.
I'm going to load up my map with normal boost and wastegate and let her rip!
I will most like need to tweak the wastegate and timing to get it as close to my pre HTP 3" runs to have as close of a comparison as possible.
I have attached a log if anyone is interested. If anything is out of the ordinary that I missed please let me know.

At first my AFRs while idling were into the 20's and the car was running like shit. I was about to flip a bitch thinking I have a leak on the intake, until I realised that i forgot to reconnect brake booster hose...

[Lex]

Thanks for the feedback. Looks like the MAF table I created is quite spot on - on a number of cars.

[jdmage_mx5]

Originally Posted by Lex Thanks for the feedback. Looks like the MAF table I created is quite spot on - on a number of cars.

I will give the numbers a try when my I take comes in on Tuesday and report back.

[sidekick]

Originally Posted by Lex Thanks for the feedback. Looks like the MAF table I created is quite spot on - on a number of cars.

I just loaded the map with your MAF cal. and its going well so far. Mine was off in a few places, but yours seems to be within +/-6% consistently. Thanks for posting it.

[beachshoer]

As a testament to @Lex; number, just ran 16 autox runs. Ended up me 5th and codriver/wife 6th out of 22 in our class. Not spectacular or our best. But the car ran fantastic with the 3" intake.

[sidekick]

Here is a Vdyno after getting some timing advance in there.



Pretty decent gains considering I'm still running a little less timing advance than before. I'm using @Lex;'s MAF Cal. and I picked up 24G/s. There's a nice gain through out the whole power band too.

@ms3blackmica; @HTP;

[ledfootrob]

The maf cal @Lex; made for the 3" was a great starting point for me. Only minimal adjustments to suit my car. The max airflow i've ever seen on my car has been 265 gs with the Corksport full intake. Now its the middle of summer here and yesterday I registered 280 gs in 90 degree heat. Looking forward to some cooler weather so I can do some 4th gear logs and get a new VD record for my car. Easy 300+

Sent from my GT-I9300 using Tapatalk 2

[Dr. Speed]

This is all so awesome! I won't be home til April but as soon as I am I'm getting my HTP 3" in and getting my Freektune on!
@boost_addict; That's some really good area gained under both curves! Post results again when you've got the tune fully dialed in. I'm really curious to see.

[fredricktsang]

an initial wot run with similar timing on the 3" compared to the old setup on the cobb srt and tip showed about 5-10hp and tq less,
but that is with 25-30 degrees higher bats and humidity in the 90's. According to the logs I've picked up around 20g/s of flow.
Going to run this map a bit longer and get another log with similar weather condition to the log with the cobb intake, and also
allow the maf cal to settle so I can fully dial in the maf.

[ledfootrob]

Here is a before and after for my car running my most aggressive map. Only difference between tunes is 1 psi xtra boost.
Got me over 300hp woo hoo

[jdmage_mx5]

Just received my polished 3.5". Looks amazing, hopefully I can get it installed in a couple of days when I have a slow moment.