FAQ: Joe Z D-AFI Intake Development for 2006+ IS - Final DYNO's & Final Product Pics! - Page 8 - Lexus IS Forum
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post #106 of 171 (permalink) Old 04-20-2006, 08:36 AM Thread Starter
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Originally Posted by car_lost
i actually prefer it without the texture.
My thoughts exactly !!!!
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post #107 of 171 (permalink) Old 04-21-2006, 08:10 AM
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I found some black sleeves. How about these:
CLICK HERE $6.57 each for the 3" x 3" ones

08 IS-F Ultrasonic Blue 11.91@120.58mph
06 IS350 (Sold) 12.84@109.20mph

Last edited by caymandiver75; 04-21-2006 at 08:17 AM.
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post #108 of 171 (permalink) Old 04-21-2006, 06:19 PM
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Originally Posted by caymandiver75
Maybe this is the secret to Lexus longevity compared to other cars! haha A super super clean engine that has never seen a piece of dirt. hehe
Interesting point. The word in the light airplane world, is that an airplane engine can "digest" a certain number of ounces of dirt.
Feed it all this amount in 1 day, and you killed the engine.
Feed it over 20 years, and your engine will last 20 years.

Same for cars. The cleaner the air, the longer the engine will live. A good filter plus good oil, regularly changed, can get a good engine in the millions of miles. But you need the highest quality air filter, oil filter, and synthetic oil to do this.
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post #109 of 171 (permalink) Old 04-24-2006, 11:06 AM
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I got the JOEZ intake pipe today. I'll have it installed tonight with photos. I also ordered the black 3" sleeves that I posted earlier for the ultra stealthy look. I expect to dyno the new intake in about 2 weeks to overlay it with my baseline.

PS. the anodized black looks great! It's anodized both inside and out and is very smooth appearing on the inside.

08 IS-F Ultrasonic Blue 11.91@120.58mph
06 IS350 (Sold) 12.84@109.20mph
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post #110 of 171 (permalink) Old 04-24-2006, 01:02 PM
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Quote:
Originally Posted by caymandiver75
I got the JOEZ intake pipe today. I'll have it installed tonight with photos. I also ordered the black 3" sleeves that I posted earlier for the ultra stealthy look. I expect to dyno the new intake in about 2 weeks to overlay it with my baseline.

PS. the anodized black looks great! It's anodized both inside and out and is very smooth appearing on the inside.

Any way you can get a new baseline on the same day as the JoeZ dyno?

I want to see these fuel trims! Do you have an OBDII scanner that can read them?

Toyomoto Supercharged '03 TCM E-Shift IS300
404 rwhp/325rwtq 18.5 psi pump gas

*NEW* ISX50 Parts Catalog | IS300 BPU Parts Catalog

Rep... it's not just for the Parking Lot
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post #111 of 171 (permalink) Old 04-24-2006, 01:16 PM
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Quote:
Originally Posted by dasgalloway
Any way you can get a new baseline on the same day as the JoeZ dyno?

I want to see these fuel trims! Do you have an OBDII scanner that can read them?

Sorry but I don't believe it is accurate to do a baseline on the same day as the car needs to be driven a couple hundred miles with a reset ECU prior to doing any comparison dyno. I also do not have an OBDII scanner to read fuel trims. We are talking minimum hp gains here with just a replacement of a intake pipe, so I'm not about to spend more money then I have to. I just want to ensure there is some gain here and not a loss of power such as the LMS intake gave me.

I will be going back to the same dyno using my SAE graph and have them overlay the results on top of my baseline. All variables will be the same as my baseline, except I now have about 4000 miles more on my car and I now have synthetic oil instead of the factory oil.

For the dyno, I will:
- Reset the ECU and drive the car for a few hundred miles before dynoing
- Only one large fan will be placed in front of the car as I did with my baseline
- SAE will be used
- ECT power mode will be on (not sure if it makes a difference or not, but it was on for my baseline)
- Air filter will be tapped out to ensure no large particles are in it, which could obstruct airflow

08 IS-F Ultrasonic Blue 11.91@120.58mph
06 IS350 (Sold) 12.84@109.20mph
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post #112 of 171 (permalink) Old 04-24-2006, 01:27 PM
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Quote:
Originally Posted by caymandiver75
Sorry but it isn't accurate to do a baseline on the same day as the car needs to be driven a couple hundred miles with a reset ECU prior to doing a comparison dyno.

Not neccessarily true, that's why I said I wanted to see the fuel trims... that will tell you if the car is "learning" the new mod or not.

Damned if you do, damned if you don't. If the baseline isn't done on the same day, it's not really useful in comparing power gained... the swings from day to day are too great, even with correction methods. Do it the same day, though, and IF the ECU needs to learn the mod it might not have enough time to do so before dyno'ing...

If you can watch the trims, however, you can easily tell if the car is learning the new mod, ST's will be different between mods, and over time the ST's will equate to LT's which would affect the WOT tune.

Also of note... if the car actually does learn this mod (I don't think it's going to learn much from it) I'd guess that it would actually UN-learn it... more airflow on stock fuel maps will cause it to lean out (and make MORE power as soon as you bolt it on)... over time the ST's will add in more fuel to get it back to where it wants to be... your WOT tune will richen up, and ower will go down.

Thats just a guess though, without data logging it all we can't know for sure whats happening with these new cars.

Toyomoto Supercharged '03 TCM E-Shift IS300
404 rwhp/325rwtq 18.5 psi pump gas

*NEW* ISX50 Parts Catalog | IS300 BPU Parts Catalog

Rep... it's not just for the Parking Lot
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post #113 of 171 (permalink) Old 04-24-2006, 01:50 PM
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Quote:
Originally Posted by dasgalloway
Also of note... if the car actually does learn this mod (I don't think it's going to learn much from it) I'd guess that it would actually UN-learn it... more airflow on stock fuel maps will cause it to lean out (and make MORE power as soon as you bolt it on)... over time the ST's will add in more fuel to get it back to where it wants to be... your WOT tune will richen up, and ower will go down.

Thats just a guess though, without data logging it all we can't know for sure whats happening with these new cars.
Yeah I guess this may be a contributing factor as to why my previous LMS intake lost power. It initially gained power (Butt dyno) but then lost power (actualy dyno)as the ECU must have decided to throw more fuel back in the car to make up for the extra air. I'm hoping that since this type of intake is retaining most of the stock parts (ie box, filter, etc) that this mod will affect the ECU much less and hope to see some kind of gain.

EDIT.. We are talking such small numbers in power here that it is hard to accurately tell what the intake modification does. With a new air filter or fresh tuneup, cars have been known to get back 5+hp and here we are talking 5hp or less. I just want to make sure and test in the same method as I did my last test to see if power has been gained or not. The LMS intake was clearly losing power with the ingestion of engine heat and was verified on the dyno as a 10-15 hp loss. As soon as I put a 2nd cooling fan directly on the LMS intake my power levels went back to stock numbers, which really disappointed me.

Edit 2.. Oddly enough the LMS intake seems to lose power on dynos, but they seem to be working well on the 1/4 miles as one guy has posted low 13's at 104mph with it. It's hard to tell if his intake made a difference as he never tracked the car with the stock intake.

08 IS-F Ultrasonic Blue 11.91@120.58mph
06 IS350 (Sold) 12.84@109.20mph

Last edited by caymandiver75; 04-24-2006 at 01:59 PM.
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post #114 of 171 (permalink) Old 04-24-2006, 06:51 PM
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Beautiful! I love the Satin Black Finish & Gunmetal Gray.

I would be interested in the Gunmetal one.
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post #115 of 171 (permalink) Old 04-24-2006, 07:01 PM
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I got my black JOEZ intake installed today. Pics and first impressions are located here: JOEZ intake installed today on my IS350 (PHOTOS)

08 IS-F Ultrasonic Blue 11.91@120.58mph
06 IS350 (Sold) 12.84@109.20mph
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post #116 of 171 (permalink) Old 04-25-2006, 07:38 AM
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Quote:
Originally Posted by caymandiver75
The LMS intake was clearly losing power with the ingestion of engine heat and was verified on the dyno as a 10-15 hp loss.
Did you record the IAT's via OBDII when you ran those dyno's?

Toyomoto Supercharged '03 TCM E-Shift IS300
404 rwhp/325rwtq 18.5 psi pump gas

*NEW* ISX50 Parts Catalog | IS300 BPU Parts Catalog

Rep... it's not just for the Parking Lot
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post #117 of 171 (permalink) Old 04-25-2006, 07:43 AM
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Quote:
Originally Posted by dasgalloway
Did you record the IAT's via OBDII when you ran those dyno's?
No, the car was just strapped onto the dyno and run multiple times with back to back consistent readings lower than my baseline, which was about 4 weeks previous. Finally we decided to add a second fan and that immediately brought the power back up to my baseline level. No air temps or fuel trims were measured.

08 IS-F Ultrasonic Blue 11.91@120.58mph
06 IS350 (Sold) 12.84@109.20mph
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post #118 of 171 (permalink) Old 04-25-2006, 10:44 PM Thread Starter
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Quote:
Originally Posted by caymandiver75
I got my black JOEZ intake installed today. Pics and first impressions are located here: JOEZ intake installed today on my IS350 (PHOTOS)
Thanks for taking the time to take pictures!!

Finally, here is a Full Shot of the Intake and all the Options that are offered..

More can bee seen here:
http://my.is/store/customer/product.php?productid=307
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2008 Smoky Granite Mica IS-F w/ ML ~ NAV ~ Black Leather
PTS Exhaust, designed by Joe Z ~ TRD Shift knob ~ Protected by Aerotect
Five Axis Design R5:F Wheels on Continental Extreme DW


Joe Z Intake <- Designed by an Enthusiast for Enthusiasts

01' GGP ~ #131 Born 5/00 ~ Lost 4/07
ALL MY MODS are For Sale here: Joe Zís Super Garage Sale

Last edited by Joe Z; 04-25-2006 at 10:55 PM.
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post #119 of 171 (permalink) Old 04-25-2006, 11:05 PM
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Quote:
Originally Posted by caymandiver75
No, the car was just strapped onto the dyno and run multiple times with back to back consistent readings lower than my baseline, which was about 4 weeks previous. Finally we decided to add a second fan and that immediately brought the power back up to my baseline level. No air temps or fuel trims were measured.

Hrmm, like I said, we really need to record some real data to figure out why the power is acting the way it is.

Joe, find me a 350 in ATL and I'll hook all my gear up to it!

Toyomoto Supercharged '03 TCM E-Shift IS300
404 rwhp/325rwtq 18.5 psi pump gas

*NEW* ISX50 Parts Catalog | IS300 BPU Parts Catalog

Rep... it's not just for the Parking Lot
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post #120 of 171 (permalink) Old 04-26-2006, 12:00 AM Thread Starter
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Quote:
Originally Posted by dasgalloway
Hrmm, like I said, we really need to record some real data to figure out why the power is acting the way it is.

Joe, find me a 350 in ATL and I'll hook all my gear up to it!

I'm all for it!!!!!

Any IS350's owners in ATL ?????

Shoot me or Das a PM asap!!!!

2008 Smoky Granite Mica IS-F w/ ML ~ NAV ~ Black Leather
PTS Exhaust, designed by Joe Z ~ TRD Shift knob ~ Protected by Aerotect
Five Axis Design R5:F Wheels on Continental Extreme DW


Joe Z Intake <- Designed by an Enthusiast for Enthusiasts

01' GGP ~ #131 Born 5/00 ~ Lost 4/07
ALL MY MODS are For Sale here: Joe Zís Super Garage Sale
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