A friend's y7 dyno sheet

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Feb 6, 2005 | 01:50 PM

green91

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From: Dahlonega, Ga, USA

A friend's y7 dyno sheet

My friend dyno'd his y7 today..

generic short ram intake, apexi dunk cat-back, 95 Si exhaust mani, chipped ECU

Feb 6, 2005 | 01:58 PM

hybrid_vtec

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From: VA Beach, VA, USA

Re: A friend's y7 dyno sheet (green91)

His A/F looks like he is running real lean!

Feb 6, 2005 | 02:15 PM

Hatch-E

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From: Far East Coast, GA, USA

I had figured I'd only dyno 85+ hp...

but i'm very happy with 105hp and 104tq

Feb 6, 2005 | 02:57 PM

Ray-mond

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Re: A friend's y7 dyno sheet (hybrid_vtec)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by hybrid_vtec »</TD></TR><TR><TD CLASS="quote">His A/F looks like he is running real lean!</TD></TR></TABLE>
Na his still above 12.0

Feb 6, 2005 | 03:00 PM

Ray-mond

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Re: A friend's y7 dyno sheet (1Guamracer)

I think anything under 10. is getting close but ya pretty nice Hp almost matching Tq

Feb 6, 2005 | 03:08 PM

green91

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From: Dahlonega, Ga, USA

12s or 10s would indicate a very rich condition! its just a hair lean in some places but overall its good

Feb 6, 2005 | 03:35 PM

1999all_motoR_teg

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From: all motor Toronto Canada, Canada

Re: A friend's y7 dyno sheet (1Guamracer)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 1Guamracer »</TD></TR><TR><TD CLASS="quote">I think anything under 10. is getting close but ya pretty nice Hp almost matching Tq

</TD></TR></TABLE>

UMMMM the higher the more lean it is, the lower the more rich. You got it backwards man

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Feb 6, 2005 | 04:28 PM

null.

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From: BAY AREA/OC

Re: A friend's y7 dyno sheet (1999all_motoR_teg)

his A/F ratio is normal, 14-14.5 is where the real power is at!

Feb 6, 2005 | 06:09 PM

hybrid_vtec

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From: VA Beach, VA, USA

Re: A friend's y7 dyno sheet (1999all_motoR_teg)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by 1999all_motoR_teg »</TD></TR><TR><TD CLASS="quote">

UMMMM the higher the more lean it is, the lower the more rich. You got it backwards man</TD></TR></TABLE>

Sorry, but the lower on the graph the richer, the higher the leaner.

14.0:1 A/F Ratio means 14 parts air to 1 part fuel

12.0:1 A/F Ratio means 12 parts air to 1 part fuel

this means the lower number of air vs. fuel, means it is getting richer.

Feb 6, 2005 | 06:31 PM

#10

1999all_motoR_teg

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From: all motor Toronto Canada, Canada

Re: A friend's y7 dyno sheet (hybrid_vtec)

Yes I know I was agreeing with you, That's exactly what I said LOL

Modified by 1999all_motoR_teg at 4:24 AM 2/7/2005

Feb 7, 2005 | 03:11 AM

#11

chris_m

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Re: A friend's y7 dyno sheet (eg6junkie)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by eg6junkie »</TD></TR><TR><TD CLASS="quote">his A/F ratio is normal, 14-14.5 is where the real power is at!</TD></TR></TABLE>

who told you that

Feb 7, 2005 | 03:55 AM

#12

B20vtec86crx

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From: holland, mi, ottawa

Re: A friend's y7 dyno sheet (eg6junkie)

don't it need to be around 12.8? 14s are too lean

Feb 7, 2005 | 03:58 AM

#13

chris_m

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From: chico, Ca, US

Re: A friend's y7 dyno sheet (B20vtec86crx)

I tune all motor cars in the high12's to low 13's

Feb 7, 2005 | 09:33 AM

#14

hybrid_vtec

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From: VA Beach, VA, USA

Re: A friend's y7 dyno sheet (B20vtec86crx)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by B20vtec86crx »</TD></TR><TR><TD CLASS="quote">don't it need to be around 12.8? 14s are too lean </TD></TR></TABLE>

Thats what I thought. There are some parts of the A/F graph where it is close to 15:1. Too dangerous for my liking