Si BMS intake

[86salmon]

Put in the Burger Motorsports intake today. There's not much to it. It's a cnc MAF housing and an inverted cone filter. Install is easy since it sits on top of the stock box. It's designed to plug right onto the stock pipe.
They offer a silicone intake hose in addition, but I already had a PRL.

The website says that it shouldn't affect fuel trim. When I get a longer micro USB for the lappy I'll see. I'll probably check temps too. It seems to be working fine with tsp stage 1. No cel in 40 miles mixed driving today.

I like having loud turbo sounds for $200

 

[86salmon]

Monitored trim and temps in different conditions today and yesterday.

20 minute drive... tsp stage 1 map1... 96°f 60% humidity... iat1 127... iat2 122... Ltft -7
Stop and go traffic barely getting to 40mph for any amount of time.

30 minute drive... Tsp stage 1 map 2... 91° f 60% humidity... iat1 107... iat2 105... Ltft -2.3
Mixed highway and city hitting 80 mph at times

Fuel trim seems to be ok as promised. Temps aren't terrible considering the heat. Going to check map 3, and do some longer drives with maps 1 and 2

 

[86salmon]

Did another drive. TSP stage 1 map 3 sport mode engaged... 90°f 60% humidity. 40 minutes. Mixed highway and city driving. Iat1 107... Iat2 106.... Ltft -2.34

Iat would vary +/- 2°
At traffic lights iat would creep up. Topped out at 120. Iat1 would drop within seconds. Iat2 would take a little longer. Did a couple wot rolls on the highway with minimal temp change (2-3')

Still have longer drives to try out. Also going to do early morning temp readings. Ambient temperature will be a good 20° lower. Also going to put stock airbox with dropin back in for comparison

 

[86salmon]

Monitored a couple more drives.

40 minutes A/C on
TSP stage 1 map 3
Medium traffic
97° f 48% humidity
iat1 124-141... iat2 114-123... Ltft -3.12
+/- 2° variance while moving
High temps are idling at traffic lights
iat drop fairly quickly once moving

40 minutes
TSP stage 1 map 3
Heavy stop and go rush hour traffic
77°f 86% humidity
iat1 96-104... iat2 104... Ltft -2.34
+/- 2° variance while moving
High temps while idling


So far, once warmed up, it's been a fairly consistent 20° above ambient intake temp.

Reverting back to stock airbox with drop in today to get some numbers to compare.

Early impressions I have are good. Given the fact that I live in a coastal city at sea level, a true cai filter/intake position isn't ideal. This seems to be a good cost effective alternative. We'll see how things go in the next couple days

 

[86salmon]

A few more pics of the MAF housing and filter after reverting to full stock airbox

 

[86salmon]

First couple drives reverted to stock airbox and PRL stage 1 intake (silicone tube and green filter). All TSP stage 1 map 3

A/C on 1 hour
Mixed rush hour and open small highway
88°f 54% humidity

iat1 114-140... iat2 104-129... Ltft -4.69

A/C on 45 minutes
Open small highway and city driving
87°f 59% humidity

iat1 115-127... iat2 104-116... Ltft -5.47


iat1 seem a tad higher but not much. iat2 seem fairly similar. Where there is a difference is the ltft. It's not at any sort of level I'm worrying about, but i if I'm reading it right, it's looking a little more restrictive than the BMS

The sample size is waaaaaay too small to be definitive for sure. This is for fun, and to see how a cheaper SRI performs compared to a drop in

I still have to see how it does without A/C and at lower ambient temps.

Down the road I'll be wrapping the MAF as well as insulation from the radiator

 

[Myx]

What are your thoughts about BMS vs Stock IAT1? I did some quick averaging of a good bit of your runs. It looks like the stock IAT1 is averaging +36F and the BMS is averaging +19F. I could've did it wrong because I went through it pretty quick. That's pretty darn good for an SRI.

 

[86salmon]

Once I get more numbers with the a/c off I'll have a better idea. So far with the comparable AC on numbers, the SRI iat1 is around 10 degrees lower than ambient on both ends. Again, this is a very very small sample size, but yeah, at a hundred dollars cheaper than the next alternative, I'm happy

I'd love to be able to get performance number differences. Never done any sort of tracking. I'd like to get a road trip to Orangeburg and get a couple runs in

 

[86salmon]

Got a long drive in last night. Cool ambient temp (compared to daytime lol), no AC. Clear highway at 1am

TSP stage 1 map 3
PRL stage 1 (silicone tube and green filter)

1 hour 73° 86% humidity
8 wot 60-80 pulls
iat1 98... iat2 89... Ltft -4.69

iat1 up to 104 during pulls, dropped back down quickly afterwords

Once again, the BMS is comparatively about 10 degrees lower than ambient at the intake, and at the IC are similar. Once again, slightly more restrictive ltft, but nothing alarming. Once again, small sample size. Gonna get a couple more in different driving conditions before putting SRI back on.

 

[86salmon]

Got in a couple drives in with the PRL stage 1 intake and then switched back to the BMS and did a couple more drives. All were done with A/C off and with TSP stage 1 map 3.

PRL stage 1
30 minutes mixed highway and city with medium traffic/stop and go
83' 78% humidity
iat1 111-120...iat2 104-113
ltft -7.81

upper temps were at stoplights idling

30 minutes backroads with light/no traffic
81' 82% humidity
iat1 107-117...iat2 98-104
ltft -7.03

upper temps from rolling wot pulls


BMS intake reinstalled

30 minutes mixed highway and city with light traffic
83' 82% humidity
iat1 98-104...iat2 94-104
ltft -3.13

upper temps from 60-80 wot pulls


1 hour highway with no traffic
80' 89% humidity
iat1 96-102...iat2 91-102
ltft -1.58

upper temps from 60-80 wot pulls



So what did I learn from this? I like the very audible whoosh the BMS intake provides.

I'm not the best at statistical analysis. I haven't done it in ages, and this sample size is very very very small, so any significance is best taken with a grain of salt. This was an exercise for my own fun and to maybe show some numbers about an SRI option on the market.

I used the PRL silicone hose with both setups. The only differences are MAF housing, air filter, and the airbox set up. The BMS uses the entire bottom portion of the stock airbox.

Comparing the data collected, the BMS kit has a smaller delta from ambient temps than the PRL kit. Both the low end temps and the median temps were roughly 10 degrees lower with or without the A/C running. Fuel trims with both setups were in normal range, although the BMS was closer to zero by a small margin


Now is this a fair comparison? Well, the PRL kit retails for $90 and the BMS with shipping is $194. I also used the PRL hose with the intake, which retails for $40. BMS offers a silicone hose for $30. I never tested with the stock hose, so I don't know what difference that will make. Might try it later to see...

Finding other SRI iat to compare this one to is a bit of a scavenger hunt, but from what I could find others reporting, this one compares favorably.

In all, this seems to be a pretty good little intake setup

 

[Myx]

Got in a couple drives in with the PRL stage 1 intake and then switched back to the BMS and did a couple more drives. All were done with A/C off and with TSP stage 1 map 3.

PRL stage 1
30 minutes mixed highway and city with medium traffic/stop and go
83' 78% humidity
iat1 111-120...iat2 104-113
ltft -7.81

upper temps were at stoplights idling

30 minutes backroads with light/no traffic
81' 82% humidity
iat1 107-117...iat2 98-104
ltft -7.03

upper temps from rolling wot pulls


BMS intake reinstalled

30 minutes mixed highway and city with light traffic
83' 82% humidity
iat1 98-104...iat2 94-104
ltft -3.13

upper temps from 60-80 wot pulls


1 hour highway with no traffic
80' 89% humidity
iat1 96-102...iat2 91-102
ltft -1.58

upper temps from 60-80 wot pulls



So what did I learn from this? I like the very audible whoosh the BMS intake provides.

I'm not the best at statistical analysis. I haven't done it in ages, and this sample size is very very very small, so any significance is best taken with a grain of salt. This was an exercise for my own fun and to maybe show some numbers about an SRI option on the market.

I used the PRL silicone hose with both setups. The only differences are MAF housing, air filter, and the airbox set up. The BMS uses the entire bottom portion of the stock airbox.

Comparing the data collected, the BMS kit has a smaller delta from ambient temps than the PRL kit. Both the low end temps and the median temps were roughly 10 degrees lower with or without the A/C running. Fuel trims with both setups were in normal range, although the BMS was closer to zero by a small margin


Now is this a fair comparison? Well, the PRL kit retails for $90 and the BMS with shipping is $194. I also used the PRL hose with the intake, which retails for $40. BMS offers a silicone hose for $30. I never tested with the stock hose, so I don't know what difference that will make. Might try it later to see...

Finding other SRI iat to compare this one to is a bit of a scavenger hunt, but from what I could find others reporting, this one compares favorably.

In all, this seems to be a pretty good little intake setup

This is great info to me. Small sample size or not. The BMS's lower temperature is convincing. 10 to 15F lower temps with the BMS. It is what it is. Why do you think that is the case?

 

[86salmon]

This is great info to me. Small sample size or not. The BMS's lower temperature is convincing. 10 to 15F lower temps with the BMS. It is what it is. Why do you think that is the case?

According to BMS, the airbox, filter, and the MAF are the main limiting factors to the stock intake.

Removing the top apparently increases flow all around

The filter is a big S&B inverted cone which they claim further increases flow. Your testing results using S&B filters contributed to my decision to try this kit.

The MAF is as large as they could manage, while keeping trims close to zero and not require a tune

They also have 1/4 mile runs on their site comparing differing temps and times of their intake vs. stock (very convincing marketing )


edit: It makes me think that they are trying to provide ambient air across the shortest distance in the least amount of time

 

[86salmon]

For future addons I want to try to divert airflow to the box on the top and to separate the hot air from the radiator and see how it turns out. There are some inspiring shade tree engineers on these boards

 

[Myx]

Wow...they do have 1/4 mile data along with their dyno plots. Ah man..drooling over the data here. Cool stuff. Thanks for all this info.

And what's more, they dyno in 3 gears instead of just one. Like I always used to do. I always wanted to know my power levels in all my gears going down the 1/4 mile. Since people only liked looking at one gear, that's what I'd post and keep the dyno for all the gears all to myself. LOVE THIS!!!

Burger Motorsports - Honda

 

[Pur3MotioN770]

I'm assuming this is the "factory calibration" option as opposed to the "race" option? Also have you monitored short term fuel trims?

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