WHO SAID CAN'T get Flat AFR'S a Vortech FMU
WHO SAID CAN'T get Flat AFR'S a Vortech FMU
Attached is a Log of AFR'S, is this Flat?
What do you Think Tim.......?
Vortech, Walbro, 440cc, FMU, 2.87, 32/28 Conservative Street Tune by TimRod Engineering
What do you Think Tim.......?
Vortech, Walbro, 440cc, FMU, 2.87, 32/28 Conservative Street Tune by TimRod Engineering
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New Member
Joined: Sep 2004
Posts: 87
Likes: 0
From: Bayamon, Puerto Rico
Your A/F ratio looks pretty good and consistent.
Were these logged on a Dynojet?
At the tail pipe or bung pre cat?
I finally installed my Tuner TXS wide band and have not do any data log yet but my A/F ratios at the display are 1 point rich over the ones logged in the dyno.
I had low 11’s on the dyno pull and low 10’s in the wide band.
Should I adjust through the wide band?
Were these logged on a Dynojet?
At the tail pipe or bung pre cat?
I finally installed my Tuner TXS wide band and have not do any data log yet but my A/F ratios at the display are 1 point rich over the ones logged in the dyno.
I had low 11’s on the dyno pull and low 10’s in the wide band.
Should I adjust through the wide band?
Your A/F ratio looks pretty good and consistent.
Were these logged on a Dynojet?
At the tail pipe or bung pre cat?
I finally installed my Tuner TXS wide band and have not do any data log yet but my A/F ratios at the display are 1 point rich over the ones logged in the dyno.
I had low 11’s on the dyno pull and low 10’s in the wide band.
Should I adjust through the wide band?
Were these logged on a Dynojet?
At the tail pipe or bung pre cat?
I finally installed my Tuner TXS wide band and have not do any data log yet but my A/F ratios at the display are 1 point rich over the ones logged in the dyno.
I had low 11’s on the dyno pull and low 10’s in the wide band.
Should I adjust through the wide band?
What do your exhaust tips look like? black? clean? do you wipe them out often so you can monitor fuel?
Last edited by OldManZ350; Jan 13, 2011 at 08:13 AM.
New Member
Joined: Sep 2004
Posts: 87
Likes: 0
From: Bayamon, Puerto Rico
no. 11.8-12.1 is perfect for power and safety. anything richer is leaving power on the table.
Anything is Possible, but I think that if we were on the Same Dyno on the Same Day and Same Conditions that you would Not say that.
Everything is Relative........
Every Dyno is Different.....
Nobody with 1/2 a brain would Dyno a car in Joe blows Shop in Summer and make say 450whp, make some modifications and then in Winter, Dyno in Sam Tucks Shop and make say 480whp. Then say "I made 30whp with those modifications."
When you can Post Up some 118 MPH Plus Traps on a 80-85 degree day in Humid Florida, Then I will say your making the same power....
But then, all tracks are Different Too. Et can vary .040-.060 and 3-4 mph between tracks
Everything is Relative........
Every Dyno is Different.....
Nobody with 1/2 a brain would Dyno a car in Joe blows Shop in Summer and make say 450whp, make some modifications and then in Winter, Dyno in Sam Tucks Shop and make say 480whp. Then say "I made 30whp with those modifications."
When you can Post Up some 118 MPH Plus Traps on a 80-85 degree day in Humid Florida, Then I will say your making the same power....
But then, all tracks are Different Too. Et can vary .040-.060 and 3-4 mph between tracks
Last edited by OldManZ350; Jan 13, 2011 at 08:43 AM.