Lawman85 said:Actually, Ford is advertising on a 12% power loss in drivetrain for the manual 5spd. So with that... 266rwhp = 302 hp at the crank.
Lawman85 said:Actually, Ford is advertising on a 12% power loss in drivetrain for the manual 5spd. So with that... 266rwhp = 302 hp at the crank.
Well I put down 276.9 and 301.2 bone stock down to the paper filter at 1100 miles with a 12-12.5 avg A/F ratio.Gears & Crosses said:How much does a stock Mach I 5-speed put down at the wheels, all stock?
MineralgreyGT01 said:I really like the gains the new engine is putting out but I am really concerned over the A/F ratio everyone is reporting. Ford made it rich for a reason. I understand all OEM's are rich from the factory because it is safer, but this is a little 'too' safe.
I wonder if it has something to do with the operating range of the VVT and the charge motion controller? I really hope someone gets a hold of a Ford engineer that worked on the programing before people (tuners) arbitrarily raise the A/F ratio up to 13.0 for a quick boost in performance. HP gains sell products......
351CJ said:Reportedly the reason whey the A/F ratio is so rich is to make the cats last longer. I think they now have to last 120K miles. Although this may seem counter intuitive, apparantly richer mixtures let the cats run cooler.
The other thing that suffers is gas mileage. Over on Brad's side they are discussing gas mileage and it's HORRIBLE. Someone reported 22 MPH on a long trip (05 GT MTX). I get 22 in normal driving with my '01 GT and have gotten as high as 28.5 MPG on long trips.
MineralgreyGT01 said:Your right that does sound bass ackwardsI would still get some conformation on that though. It looks like the cats on the 05 are the same shape and size as the Ford GT..... I wonder....... Maybe since a SC tune has a low A/F by design maybe its needed for the cats too and it just transfered over due to simular design?
Shoot I get around 16 MPG in town and 27 MPG highway Sometimes I get 12 MPG in town
CAUSES OF CONVERTER FAILURES
Fouling, clogging, melt-down and breakage of the ceramic substrate inside a converter are common conditions that can cause problems. Plugging is usually the end result of a melt-down, which occurs because the converter gets too hot. This happens because the engine is dumping unburned fuel into the exhaust. The excess fuel lights off inside the converter and sends temperatures soaring. If it gets hot enough, the ceramic substrate that carries the catalyst melts.
TomServo92 said:I found this on the web and it doesn't jive with what you guys are saying about a richer mixture being better for the cats:
Here's the link:
http://ca.autos.yahoo.com/maintain/catalytic_converteranswer2.html
MineralgreyGT01 said:Right thats what we are saying. It is backwards thinking for traditional cats......
Do you have a link to show that please?Stang2k5 said:Saleen rates the base 2005 Mustang GT motor at 325 bhp.
Lawman85 said:Actually, Ford is advertising on a 12% power loss in drivetrain for the manual 5spd. So with that... 266rwhp = 302 hp at the crank.
mach1dsg said:would it be possible to see the dyno graph???, nice pics of the car though, but i was wonder about the actual dyno graph
Thanks
Do you have a link to show that please?
Ya but that is with some mod work, ( 325 hp 4.6L 3V SOHC V8 Engine; PowerFlash Performance Calibration; Saleen Power Pulleys and SFI approved damperTheEvII said:
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