[Z06] Lg headers and tune
Thread Starter
Pro
Joined: Jul 2006
Posts: 552
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From: Park City UT
Opinion wanted -Lg headers and tune
2002 Z06 with halltech stinger and LG pro LT headers with cats. Temp about 40 C in the shop and snow blowing in the door...
Baseline 355/340
After Tune 375/356
SAE corrected 390.6/371.0
What do you think....
Done by Jeff Creech at CAM
Baseline 355/340
After Tune 375/356
SAE corrected 390.6/371.0
What do you think....
Done by Jeff Creech at CAM
Last edited by SteveDM; Feb 1, 2007 at 07:54 PM. Reason: title change
Instructor
Joined: Oct 2006
Posts: 115
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From: Dallas TX
not sure how to interpret the results...Is the SAE corrected the actual HP then
Le Mans Master
Joined: Sep 2000
Posts: 6,101
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From: ABQ NM
Cruise-In II Veteran
I thought the "corrected" #s are supposed to reflect an equalization of conditions which will vary and which would otherwise affect the #s. If I am correct, then your 35 hp gain seems to me to be in the ball park.
Thread Starter
Pro
Joined: Jul 2006
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From: Park City UT
They told me the corrected #'s were what I actually made. Extremes of temp, altitude, etc affect #'s and across properly set up dyno machines the corrected #'s are supposed to be the 'real' numbers. I know some people scoff at this but.....I think if it wasn't 40 deg and snowing (yes the garage door was open)...for example 80 and at a different altitude my uncorrected #'s would be much different. Hopefully some senior members with more experience can chime in and correct me if I'm wrong...
Thread Starter
Pro
Joined: Jul 2006
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From: Park City UT
From 'aedmonster' on the C6 forum
"One important note is when you dyno below 50-55 degrees I don't feel you're getting good numbers. Most correction factors are linear & will actually undercorrect for these temps. My point is with air that is cooler than this you keep getting additional correction without the motor making much additional power, because of things like fuel atomization etc"
----------------------
So if I am interpreting things correctly my numbers are 390/371? Anyone back me up on this.....I don't want to quote this if I am supposed to be using the uncorrected numbers.
one of the graphs...
"One important note is when you dyno below 50-55 degrees I don't feel you're getting good numbers. Most correction factors are linear & will actually undercorrect for these temps. My point is with air that is cooler than this you keep getting additional correction without the motor making much additional power, because of things like fuel atomization etc"
----------------------
So if I am interpreting things correctly my numbers are 390/371? Anyone back me up on this.....I don't want to quote this if I am supposed to be using the uncorrected numbers.
one of the graphs...
Last edited by SteveDM; Feb 1, 2007 at 07:53 PM. Reason: added more
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Pro
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From: New Bern NC
Drifting
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From: Charlotte NC
Instructor
Joined: Oct 2006
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From: Dallas TX
right...20hp/16tq was the gain from the rune. Remember the baseline is with the headers on...I do not have a baseline with stock manifolds.
Racer
Joined: May 2002
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From: Lakeland/Tampa FL
Thread Starter
Pro
Joined: Jul 2006
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From: Park City UT
You guys are forgetting that I was in a snow filled 40 degree garage for the tune...my corrected baseline was 271 with headers and no tune. The numbers you are quoting are dyno results under totally different conditions.
Safety Car
Joined: Jan 2000
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SO it seems your 'corrected' baseline adjusted for warmer weather should be about 370-hp.
IN any event, the 20-hp gain from an intake seems pretty good.
#'s adjusted for 80-deg weather should read --> 350hp (stock), 370hp (headers), and 390hp (headers + intake & tune) ?
Sounds logical to me.
Drifting
Joined: Sep 2002
Posts: 1,343
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From: Charlotte NC
SO it seems your 'corrected' baseline adjusted for warmer weather should be about 370-hp.
IN any event, the 20-hp gain from an intake seems pretty good.
#'s adjusted for 80-deg weather should read --> 350hp (stock), 370hp (headers), and 390hp (headers + intake & tune) ?
Sounds logical to me.
IN any event, the 20-hp gain from an intake seems pretty good.
#'s adjusted for 80-deg weather should read --> 350hp (stock), 370hp (headers), and 390hp (headers + intake & tune) ?
Sounds logical to me.