H-Fit Supa Sucka Intake Now Available!
Member
Joined: Jul 2007
Posts: 249
From: Central Coast, CA
Hi All,
Been a little busy lately so sorry for not replying any sooner.
As for the air temperature readings and how we achieved the lower temperature than the stock intake,
We used 3 methods. I will not go too in depth because some of the research and data is proprietary.
Been a little busy lately so sorry for not replying any sooner.
As for the air temperature readings and how we achieved the lower temperature than the stock intake,
We used 3 methods. I will not go too in depth because some of the research and data is proprietary.
Thank you for your detailed and helpful response James. I installed the HFP muffler today and I think your Supa Sucka intake will probably be my next mod.
Regards,
ed
New Member
Joined: Jun 2007
Posts: 26
From: Madison,WI
Hi All,
Been a little busy lately so sorry for not replying any sooner.
As for the air temperature readings and how we achieved the lower temperature than the stock intake,
We used 3 methods. I will not go too in depth because some of the research and data is proprietary.
Anyways.
1. We cleared the shrouding that surrrounded the intake air temperature
sensor. This allows the sensor to react faster to temperature changes
and thus allows the ECU to recalibrate to changing conditions faster.
This really isn't a change that physically makes the air cooler, but it
has some connection.
2. We increased the overall air velocity / movement through the
chamber / intake. The stock intake has many chambers and baffles
built in to reduce noise. These allow for a physically larger internal
volume within the stock intake, but also reduces the movement of air
within. Also, internal to the stock intake there are many areas where
air can get "trapped" and end up swirling around in the intake allowing
the air charge more time to absorb heat from the surrounding
enviroment.
3. We employed thermodynamics and gas principals. We used the fact
that when gasses expand they cool (endothermic). We designed the
SSI so that when air flowed into the chamber it had an area which
promoted the expansion of the incoming charge prior to going into the
throttle body. This was a little difficult because we had to take into
account the airspeed within the intake so we would not absorb more
heat than the expansion would remove. If this happened it would be
no better than the stock intake in this regard.
Hope this info is helpful,
H-FIT Team
H-Fit.com....Products now available. Performance for track and street...
J Squared Advanced Development - Performance Automotive Engineering
Been a little busy lately so sorry for not replying any sooner.
As for the air temperature readings and how we achieved the lower temperature than the stock intake,
We used 3 methods. I will not go too in depth because some of the research and data is proprietary.
Anyways.
1. We cleared the shrouding that surrrounded the intake air temperature
sensor. This allows the sensor to react faster to temperature changes
and thus allows the ECU to recalibrate to changing conditions faster.
This really isn't a change that physically makes the air cooler, but it
has some connection.
2. We increased the overall air velocity / movement through the
chamber / intake. The stock intake has many chambers and baffles
built in to reduce noise. These allow for a physically larger internal
volume within the stock intake, but also reduces the movement of air
within. Also, internal to the stock intake there are many areas where
air can get "trapped" and end up swirling around in the intake allowing
the air charge more time to absorb heat from the surrounding
enviroment.
3. We employed thermodynamics and gas principals. We used the fact
that when gasses expand they cool (endothermic). We designed the
SSI so that when air flowed into the chamber it had an area which
promoted the expansion of the incoming charge prior to going into the
throttle body. This was a little difficult because we had to take into
account the airspeed within the intake so we would not absorb more
heat than the expansion would remove. If this happened it would be
no better than the stock intake in this regard.
Hope this info is helpful,
H-FIT Team
H-Fit.com....Products now available. Performance for track and street...
J Squared Advanced Development - Performance Automotive Engineering
Yup, I have ordered one and will let you know how I like it etc.
Member
Joined: May 2006
Posts: 40
From: Cerritos, Ca. USA
Hi All,
We are currently looking into the fitment for non USDM FIT /JAZZ for our SSI. We have been able to look over some engine bay pictures from interested individuals from Malaysia and Philippines and there does not appear to be any fitment issues we can see. But, we are not currently comfortable with saying "YES it will fit" until we complete further research.
A heat shield between the chamber and filter will promote a cooler intake charge.
We had a few shapes made of ABS and aluminum that sealed up against the hood as a barrier between the filter and chamber. But, as some of the local SoCal Fit owners have heard, we were planning on making a special type of heat shield that would incorporate an actual intake port to feed outside air to the filter of the SSI, so we decided to leave the basic heat shield out on the production units.
Thanks again!
H-FIT team
H-Fit.com....Products now available. Performance for track and street...
J Squared Advanced Development - Performance Automotive Engineering
We are currently looking into the fitment for non USDM FIT /JAZZ for our SSI. We have been able to look over some engine bay pictures from interested individuals from Malaysia and Philippines and there does not appear to be any fitment issues we can see. But, we are not currently comfortable with saying "YES it will fit" until we complete further research.
A heat shield between the chamber and filter will promote a cooler intake charge.
We had a few shapes made of ABS and aluminum that sealed up against the hood as a barrier between the filter and chamber. But, as some of the local SoCal Fit owners have heard, we were planning on making a special type of heat shield that would incorporate an actual intake port to feed outside air to the filter of the SSI, so we decided to leave the basic heat shield out on the production units.
Thanks again!
H-FIT team
H-Fit.com....Products now available. Performance for track and street...
J Squared Advanced Development - Performance Automotive Engineering
But, as some of the local SoCal Fit owners have heard, we were planning on making a special type of heat shield that would incorporate an actual intake port to feed outside air to the filter of the SSI, so we decided to leave the basic heat shield out on the production units.
Thanks again!
H-FIT team
H-Fit.com....Products now available. Performance for track and street...
J Squared Advanced Development - Performance Automotive Engineering
Thanks again!
H-FIT team
H-Fit.com....Products now available. Performance for track and street...
J Squared Advanced Development - Performance Automotive Engineering
Oh really now? I'm interested in purchasing one ASAP! Just say when.
New Member
Joined: Jun 2007
Posts: 26
From: Madison,WI
we were planning on making a special type of heat shield that would incorporate an actual intake port to feed outside air to the filter of the SSI, so we decided to leave the basic heat shield out on the production units.
Thanks again!
H-FIT team
H-Fit.com....Products now available. Performance for track and street...
J Squared Advanced Development - Performance Automotive Engineering
Thanks again!
H-FIT team
H-Fit.com....Products now available. Performance for track and street...
J Squared Advanced Development - Performance Automotive Engineering
New Member
Joined: Jul 2007
Posts: 14
From: Ohio
I installed my SSI before a trip I took to Chicago. My MPG dropped because of the way I was driving, speed limits are faster on average through Indiana and Illinois. I also got stuck in some parking lot like traffic, also I've been running at higher revs because the sound cracks me up.
I have the stock exhaust and was averaging around 35-37MPG before the SSI, but the AC has been on more due to the heat. I don't have an average but 1 tank was around 32 and the last one was 34.5. It would be better but lately I'm reving higher before I shift on my MT.
I have the stock exhaust and was averaging around 35-37MPG before the SSI, but the AC has been on more due to the heat. I don't have an average but 1 tank was around 32 and the last one was 34.5. It would be better but lately I'm reving higher before I shift on my MT.
Member
Joined: Jul 2007
Posts: 249
From: Central Coast, CA
Received my SSI intake a couple of days ago. Shipping was extremely fast, maybe because I'm in California where they are manufactured, but it was very quick nevertheless.
The unit I was sent has been redesigned with a threaded insert molded into the chamber, so there is no hassle at all with trying to get your hand in there to thread a nut. The bolt just threads directly into the threaded insert and it couldn't be easier.
The installation went very quickly and it was easy. I decided to not remove the battery or disconnect it because I didn't want to hassle with having to reenter the radio code.
I did loosen one of the battery hold-downs and moved the battery as much as I could to facilitate the installation. This was a mistake.
When I fired up my Fit after installing the SSI, it just wasn't running right. It actually felt as if it had lost performance. I then disconnected my negative battery cable (as the SSI instructions advise) and after the ECU reset, things were much improved. In retrospect, I should have just followed the instructions
.
The metal mouting bracket that secures the chamber to the engine had some tooling marks, so I buffed and polished it with some wheels on my bench grinder. I then painted it with a Krylon paint that looks like an anodiezed finish. It turned out looking really nice.
I notice an improvement in power at all rpm levels. I think my ECU is still learning the new parameters, so it may take a bit of driving for everything to sort itself out, but I am extremely happy with the improvement in drivability.
Soundwise, the SSI really does not make it's presence felt until about between 3500 and 4000 rpm. Then it begins to sound good.
Kudos to H-fit for their quick response to customer feedback and for an excellent product.
ed
The unit I was sent has been redesigned with a threaded insert molded into the chamber, so there is no hassle at all with trying to get your hand in there to thread a nut. The bolt just threads directly into the threaded insert and it couldn't be easier.
The installation went very quickly and it was easy. I decided to not remove the battery or disconnect it because I didn't want to hassle with having to reenter the radio code.
I did loosen one of the battery hold-downs and moved the battery as much as I could to facilitate the installation. This was a mistake.
When I fired up my Fit after installing the SSI, it just wasn't running right. It actually felt as if it had lost performance. I then disconnected my negative battery cable (as the SSI instructions advise) and after the ECU reset, things were much improved. In retrospect, I should have just followed the instructions
.The metal mouting bracket that secures the chamber to the engine had some tooling marks, so I buffed and polished it with some wheels on my bench grinder. I then painted it with a Krylon paint that looks like an anodiezed finish. It turned out looking really nice.
I notice an improvement in power at all rpm levels. I think my ECU is still learning the new parameters, so it may take a bit of driving for everything to sort itself out, but I am extremely happy with the improvement in drivability.
Soundwise, the SSI really does not make it's presence felt until about between 3500 and 4000 rpm. Then it begins to sound good.
Kudos to H-fit for their quick response to customer feedback and for an excellent product.
ed
Member
Joined: May 2006
Posts: 40
From: Cerritos, Ca. USA
Hi again everyone,
We wanted to address some questions about gas mileage and our intake. In total honesty, we did not do any real long term testing on this aspect. We basically started working on prototypes of the SSI a couple of weeks after we attained our vehicle. I would have to say that we put a total of 500 miles at most on the stock vehicle. So needless to say we collected no data of the stock mileage for comparison.
However, we made it a point to keep all sensors in their factory location with respect to the throttle body. Therefore, we would believe that there would be little change in gas mileage from using our intake.
What we have found out through driving our FIT around with our SSI installed is that we just want to mash the gas and keep the rpms in the sweet zone between 3000-5000 all the time. We like the sound it makes
One great thing about not being a giant aftermarket company is that we can react exceptionally fast to customer feedback and improve upon our product in realtime. We thought that there would not be an issue with people fitting their hands into the intake hole to mount the bracket, but being that we saw that customers were having problems with this, we made a mid production change and implemented the rivet nut insert to address customer concerns. We believe that this improvement will simplify installation immensely.
Thanks again from the H-FIT team
H-Fit.com....Products now available. Performance for track and street...
J Squared Advanced Development - Performance Automotive Engineering
We wanted to address some questions about gas mileage and our intake. In total honesty, we did not do any real long term testing on this aspect. We basically started working on prototypes of the SSI a couple of weeks after we attained our vehicle. I would have to say that we put a total of 500 miles at most on the stock vehicle. So needless to say we collected no data of the stock mileage for comparison.
However, we made it a point to keep all sensors in their factory location with respect to the throttle body. Therefore, we would believe that there would be little change in gas mileage from using our intake.
What we have found out through driving our FIT around with our SSI installed is that we just want to mash the gas and keep the rpms in the sweet zone between 3000-5000 all the time. We like the sound it makes
One great thing about not being a giant aftermarket company is that we can react exceptionally fast to customer feedback and improve upon our product in realtime. We thought that there would not be an issue with people fitting their hands into the intake hole to mount the bracket, but being that we saw that customers were having problems with this, we made a mid production change and implemented the rivet nut insert to address customer concerns. We believe that this improvement will simplify installation immensely.
Thanks again from the H-FIT team
H-Fit.com....Products now available. Performance for track and street...
J Squared Advanced Development - Performance Automotive Engineering
Member
Joined: Jul 2007
Posts: 171
From: oHIo
H-FIT-James
thanks for getting back
now if I could find a way to free up the Moooo laaaa i'd be golden
this looks to be a good product. thanks again H-FIT
thanks for getting back
now if I could find a way to free up the Moooo laaaa i'd be golden
this looks to be a good product. thanks again H-FIT
New Member
Joined: Jul 2007
Posts: 14
From: Ohio
Mine also came with the new rivet. I did the same initial install as ezduzit where I just moved the battery over and didn't disconnect it, I don't take direction well. Mine ran fine after the install so I never did the reset of the ECU by disconnectiong the battery.
As for MPG, I'm averaging around 34.5 from around 37MPG. This is my own fault though since the noticable boost from the SSI starts around 2500-3000 RPM. I used to stay under 2500RPM unless on the highway now I'm always around 3000RPM for the extra power. If I stayed under 2500RPM I'm sure the MPG difference would be minimal but my driving habits have changed which will affect the MPG.
