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HomemadeTurbo - DIY Turbo Forum (https://www.homemadeturbo.com/)
-   General Discussion (https://www.homemadeturbo.com/general-discussion-6/)
-   -   Dyno...meh (https://www.homemadeturbo.com/general-discussion-6/dyno-meh-45413/)

leed 09-02-2005 11:32 PM
Re: Dyno...meh
 
^^^ Dynojet sniffers stuffed in the muffler read about 1.0 A/F leaner than a WB mounted in the DP. I have noticed this first hand on several cars.

93turbo16 09-02-2005 11:55 PM
Re: Dyno...meh
 
Originally Posted by leed
^^^ Dynojet sniffers stuffed in the muffler read about 1.0 A/F leaner than a WB mounted in the DP. I have noticed this first hand on several cars.
I have only noticed about a .4 difference max, when the car is at full throttle and full load. At idle and part throttle it has been off more than that, but I haven't had anything 1 point off. I think the car should be run a little richer. But that is just my opinion.

Gotta love the KA boost though, thinking about doing one myself.

The numbers really aren't bad at all for 13 psi.

FooK 09-03-2005 02:58 AM
Re: Dyno...meh
 
Originally Posted by 93turbo16
Originally Posted by leed
^^^ Dynojet sniffers stuffed in the muffler read about 1.0 A/F leaner than a WB mounted in the DP. I have noticed this first hand on several cars.
I have only noticed about a .4 difference max, when the car is at full throttle and full load. At idle and part throttle it has been off more than that, but I haven't had anything 1 point off. I think the car should be run a little richer. But that is just my opinion.

Gotta love the KA boost though, thinking about doing one myself.

The numbers really aren't bad at all for 13 psi.
I'm gonna have to absolutely agree with dave here, dynojet sniffers 1.0 AFR leaner than a wideband every time.

leed 09-03-2005 03:15 AM
Re: Dyno...meh
 
I suppose it depends on the DynoJet you most frequent. My observations are based soly on one local DynoJet, and Im sure it can vary. Either way, tail-pipe sniffers see things a bit leaner.

idiot-stick 09-03-2005 12:56 PM
Re: Dyno...meh
 
New best time. Ran a 13.3 @ 108mph last night. Thought I bypassed my speed limiter but guess I was wrong

Beat a couple turbo regals (that was easy)
WRX STI
Supercharged ITR w/Hondata.

O0

BoosTedZSix 09-03-2005 01:34 PM
Re: Dyno...meh
 
no vids?

93turbo16 09-03-2005 02:24 PM
Re: Dyno...meh
 
Originally Posted by FooK
Originally Posted by 93turbo16
Originally Posted by leed
^^^ Dynojet sniffers stuffed in the muffler read about 1.0 A/F leaner than a WB mounted in the DP. I have noticed this first hand on several cars.
I have only noticed about a .4 difference max, when the car is at full throttle and full load. At idle and part throttle it has been off more than that, but I haven't had anything 1 point off. I think the car should be run a little richer. But that is just my opinion.

Gotta love the KA boost though, thinking about doing one myself.

The numbers really aren't bad at all for 13 psi.
I'm gonna have to absolutely agree with dave here, dynojet sniffers 1.0 AFR leaner than a wideband every time.
I will say that I have seen them read 1.0 afr leaner.. but I have never seen it that much leaner when the motor was under full load. I have definitley seen it more than 1 afr leaner at like a part throttle and idle.

So either way it is no big deal. Still puts him pretty safe. I also have only used one shops dyno, but I will make note when I go to another one in the next month and make a comparison.

idiot-stick 09-03-2005 03:53 PM
Re: Dyno...meh
 
Originally Posted by BoosTedZSix
no vids?
Gotta wait on my friend to put em on the interwebs


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