Preparation for the STILLEN supercharger

Kyle@STILLEN · 01-31-2010, 11:02 PM

Quote:

Originally Posted by 1slow370

I'm going to ask the same question i asked in the GTM thread and that is how come the maf sensors aren't placed ahead of the supercharger to measure the actual uncompressed air charge with IAT's split off and mounted into the manifold to measure the real intake temps, or were you able to upgrade the stock MAP sensor to gauge the pressure created in the manifold? Or are we looking at a tune that is going to modify the VE tables to simply go around that?

Remember...We haven't posted all of our pictures and data yet!

You have some great questions and I think you will be pleasantly surprised by our answers.

1slow370 · 01-31-2010, 11:07 PM

Thank god somebody finally saw this it's been like 5 freakin pages since the first time I asked it. The vague answer I'll have to live with as i can understand the secrecy especially with all the warring going on

Kyle@STILLEN · 01-31-2010, 11:23 PM

No warring going on over here! To be honest, Josh and I are texting back and forth laughing at all the nonsense.

As I said in another thread we wish GTM the best of luck with their supercharger kit. It is always great to have competition. You must remember our company heritage, numerous world championships in many different forms of motorsport...We LOVE competition!!!

1slow370 · 01-31-2010, 11:28 PM

yeah i'm having a ball about all this as well so long as you guys aren't getting upset. As i said in the GTM thread we love all our vendors/sponsors and don't want to see you guys fighting over anything other than price

Kyle@STILLEN · 01-31-2010, 11:36 PM

Look at my avatar...I like to keep things light hearted! LOL

1slow370 · 01-31-2010, 11:38 PM

and i hope you won't be upset but i'm going to be cutting up my headers and stretching them out to long tubes as currently they are pretty weak what happened there?

Kyle@STILLEN · 01-31-2010, 11:44 PM

My engineer's and I talked about that but to be honest I don't remember. I think it's something to do with all of the parts added together they kind of get washed out or something like that...I don't remember for sure though.

1slow370 · 01-31-2010, 11:51 PM

ok i think the headers may have a benefit(in their stock form) for say a mid-mount turbo or extremely high rpm situations where the short runner length and increased primary diameter would allow the exhaust pressure to plenum out so to speak, seeing as the vast majority of the bends are done and the tube straightens out by the collector i think they have promise as adapted long tubes maybe a future offering you guys could manage as all that is required are extension tubes and a new flange to follow along the cat's path. minimal refixturing and a healthy (possibly) bump in the mid to low end curve.

Edit: you could always call them the Stillen headers Gen. 2

LiquidZ · 02-01-2010, 07:04 AM

Stillen, receive your intercooler core yet?

Forgot to mention: I remember somebody asking whether or not the stock strut tower brace on the 370z would fit with the new intake manifold. Any news regarding the issue?

Kyle@STILLEN · 02-01-2010, 11:19 AM

Clearance on the strut tower brace should not be a problem. My engineer's designed it to work with the stock strut brace.

Unfortunately the intercooler will not be arriving until Thursday or Friday. We followed up with our vendor a couple weeks ago and they said "Oh yea, no problem! We're right on track!" Then last week we received different news! We told them to work through the weekend non-stop until they were completed with our prototype. We should be seeing it this week though. If not, I will be making a trip up there myself! LOL.

Kyle@STILLEN · 02-01-2010, 11:25 AM

By the way:

I'd like to clear up a misunderstanding. Our explanation of why we chose to go with a new intake manifold only relates to OUR supercharger system. I was trying to explain that we couldn't simply run a Y-pipe design off the back of the blower. Also, because we ran the air-water intercooler system we had to think creatively about getting the intercooler inside the manifold. Which again, is the #1 reason why we rebuilt the manifold. We wanted to get the intercooler inside the manifold.

GTM mounted their supercharger on the bottom of the engine and utilize a front mount air to air intercooler system so they were able to retain the factory intake manifold. We chose to mount our supercharger inside the engine bay and go with an air to water intercooler system.

Kyle@STILLEN · 02-01-2010, 11:40 AM

Also,

I don't want to step into GTM's thread again, I don't think it's appropriate for me to be in there...But, I do want to say that the assumptions regarding the mounting locations of our MAF sensors were incorrect. We are not mounting the MAF sensors in the charge pipe. We have decided to go with a draw through sensor. I will have another full explanation as to why we went that route.

RCZ · 02-01-2010, 11:41 AM

I'd say that was adequately handled.

Hopefully its the price question we're going to be surprisingly pleased to hear the answer to. Can't wait to see the finished product and some numbers Kyle. It's actually pretty calming to see so much engineering going into something because at least we know you thought about all the issues and there won't be any surprises for us costumers.

1slow370 · 02-01-2010, 12:01 PM

yay draw through someone is actually using a MAF sensor like it should be. Can't wait to see the divorced IAT sensors I hope you guys can find a fast acting one with a small open thermistor to provide prompt accurate readouts instead of the canned gm ones. At least with the intake charge metering of draw through it will have enough information to be able to calculate the actual amount of air in the manifold without an upgraded MAP sensor (which i would still like to see)

Buddy Revell · 02-01-2010, 12:12 PM

Thanks for the clarifications, Kyle.

01-31-2010, 11:51 PM	#338 (permalink)
1slow370 A True Z Fanatic Join Date: Aug 2009 Location: In the D Posts: 3,732 Drives: v8 74 260z ;) Rep Power: 7251	ok i think the headers may have a benefit(in their stock form) for say a mid-mount turbo or extremely high rpm situations where the short runner length and increased primary diameter would allow the exhaust pressure to plenum out so to speak, seeing as the vast majority of the bends are done and the tube straightens out by the collector i think they have promise as adapted long tubes maybe a future offering you guys could manage as all that is required are extension tubes and a new flange to follow along the cat's path. minimal refixturing and a healthy (possibly) bump in the mid to low end curve. Edit: you could always call them the Stillen headers Gen. 2 Last edited by 1slow370; 02-01-2010 at 12:32 AM.

02-01-2010, 07:04 AM	#339 (permalink)
LiquidZ A True Z Fanatic Join Date: Nov 2008 Location: Columbus, OH Posts: 1,940 Drives: Mag. Black 2009 370Z Rep Power: 705	Stillen, receive your intercooler core yet? Forgot to mention: I remember somebody asking whether or not the stock strut tower brace on the 370z would fit with the new intake manifold. Any news regarding the issue? __________________ Last edited by LiquidZ; 02-01-2010 at 07:10 AM.

02-01-2010, 11:25 AM	#341 (permalink)
Kyle@STILLEN The370Z.com Sponsor Join Date: Dec 2008 Location: Newport Beach Posts: 626 Drives: Toyota Tundra Rep Power: 307	By the way: I'd like to clear up a misunderstanding. Our explanation of why we chose to go with a new intake manifold only relates to OUR supercharger system. I was trying to explain that we couldn't simply run a Y-pipe design off the back of the blower. Also, because we ran the air-water intercooler system we had to think creatively about getting the intercooler inside the manifold. Which again, is the #1 reason why we rebuilt the manifold. We wanted to get the intercooler inside the manifold. GTM mounted their supercharger on the bottom of the engine and utilize a front mount air to air intercooler system so they were able to retain the factory intake manifold. We chose to mount our supercharger inside the engine bay and go with an air to water intercooler system. Last edited by Kyle@STILLEN; 02-01-2010 at 11:26 AM. Reason: bold and caps lock "our"

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01-31-2010, 11:07 PM	#332 (permalink)
1slow370 A True Z Fanatic Join Date: Aug 2009 Location: In the D Posts: 3,732 Drives: v8 74 260z ;) Rep Power: 7251	Thank god somebody finally saw this it's been like 5 freakin pages since the first time I asked it. The vague answer I'll have to live with as i can understand the secrecy especially with all the warring going on

01-31-2010, 11:23 PM	#333 (permalink)
Kyle@STILLEN The370Z.com Sponsor Join Date: Dec 2008 Location: Newport Beach Posts: 626 Drives: Toyota Tundra Rep Power: 307	No warring going on over here! To be honest, Josh and I are texting back and forth laughing at all the nonsense. As I said in another thread we wish GTM the best of luck with their supercharger kit. It is always great to have competition. You must remember our company heritage, numerous world championships in many different forms of motorsport...We LOVE competition!!!

01-31-2010, 11:28 PM	#334 (permalink)
1slow370 A True Z Fanatic Join Date: Aug 2009 Location: In the D Posts: 3,732 Drives: v8 74 260z ;) Rep Power: 7251	yeah i'm having a ball about all this as well so long as you guys aren't getting upset. As i said in the GTM thread we love all our vendors/sponsors and don't want to see you guys fighting over anything other than price

01-31-2010, 11:36 PM	#335 (permalink)
Kyle@STILLEN The370Z.com Sponsor Join Date: Dec 2008 Location: Newport Beach Posts: 626 Drives: Toyota Tundra Rep Power: 307	Look at my avatar...I like to keep things light hearted! LOL

01-31-2010, 11:38 PM	#336 (permalink)
1slow370 A True Z Fanatic Join Date: Aug 2009 Location: In the D Posts: 3,732 Drives: v8 74 260z ;) Rep Power: 7251	and i hope you won't be upset but i'm going to be cutting up my headers and stretching them out to long tubes as currently they are pretty weak what happened there?

01-31-2010, 11:44 PM	#337 (permalink)
Kyle@STILLEN The370Z.com Sponsor Join Date: Dec 2008 Location: Newport Beach Posts: 626 Drives: Toyota Tundra Rep Power: 307	My engineer's and I talked about that but to be honest I don't remember. I think it's something to do with all of the parts added together they kind of get washed out or something like that...I don't remember for sure though.

02-01-2010, 11:19 AM	#340 (permalink)
Kyle@STILLEN The370Z.com Sponsor Join Date: Dec 2008 Location: Newport Beach Posts: 626 Drives: Toyota Tundra Rep Power: 307	Clearance on the strut tower brace should not be a problem. My engineer's designed it to work with the stock strut brace. Unfortunately the intercooler will not be arriving until Thursday or Friday. We followed up with our vendor a couple weeks ago and they said "Oh yea, no problem! We're right on track!" Then last week we received different news! We told them to work through the weekend non-stop until they were completed with our prototype. We should be seeing it this week though. If not, I will be making a trip up there myself! LOL.

02-01-2010, 11:40 AM	#342 (permalink)
Kyle@STILLEN The370Z.com Sponsor Join Date: Dec 2008 Location: Newport Beach Posts: 626 Drives: Toyota Tundra Rep Power: 307	Also, I don't want to step into GTM's thread again, I don't think it's appropriate for me to be in there...But, I do want to say that the assumptions regarding the mounting locations of our MAF sensors were incorrect. We are not mounting the MAF sensors in the charge pipe. We have decided to go with a draw through sensor. I will have another full explanation as to why we went that route.

02-01-2010, 11:41 AM	#343 (permalink)
RCZ A True Z Fanatic Join Date: Nov 2008 Location: Miami Posts: 6,403 Drives: '09 370Z Rep Power: 1119	I'd say that was adequately handled. Hopefully its the price question we're going to be surprisingly pleased to hear the answer to. Can't wait to see the finished product and some numbers Kyle. It's actually pretty calming to see so much engineering going into something because at least we know you thought about all the issues and there won't be any surprises for us costumers.

02-01-2010, 12:01 PM	#344 (permalink)
1slow370 A True Z Fanatic Join Date: Aug 2009 Location: In the D Posts: 3,732 Drives: v8 74 260z ;) Rep Power: 7251	yay draw through someone is actually using a MAF sensor like it should be. Can't wait to see the divorced IAT sensors I hope you guys can find a fast acting one with a small open thermistor to provide prompt accurate readouts instead of the canned gm ones. At least with the intake charge metering of draw through it will have enough information to be able to calculate the actual amount of air in the manifold without an upgraded MAP sensor (which i would still like to see)

02-01-2010, 12:12 PM	#345 (permalink)
Buddy Revell Enthusiast Member Join Date: Mar 2009 Location: So Cal Posts: 303 Drives: 08 Infiniti G37 Rep Power: 17	Thanks for the clarifications, Kyle.