should I bridgeport or streetport?
#51
BDC Motorsports
I've passed cars through emissions running at 16.2:1, at a 1500 rpm idle and at cruise. O2 sensor was placed ahead of the air pump feed, so exhaust dilution is not a possibility. Most engines were done on an FJO using the NTK sensor, one on an AEM unit. Swapping in a Motec wideband unit in one car at another date showed identical readings to my FJO. It yakes some fiddling with the timing, but it will run.
It is amazing how low the emissions will get running the engines like these. Every time I have to laugh at the readings of 0.00% for Carbon Monoxide.
For regular highway cruising, the engine will run stabily around 15.5:1 AFR's without misfiring.
It is amazing how low the emissions will get running the engines like these. Every time I have to laugh at the readings of 0.00% for Carbon Monoxide.
For regular highway cruising, the engine will run stabily around 15.5:1 AFR's without misfiring.
B
#54
BDC Motorsports
B
#56
Red Neck Tony Stark - C2
iTrader: (1)
My wideband seems to be working fine, and had been backed up with Westbrook's wideband on the back end of the exhaust so it is showing correct AFR's. So that means that my engine is running the 18 like my Wideband is showing.
Just to add, you have to be out of the twin throttle and only on the primary throttle, so that all the air is going thru the primary intake ports.
Yep there is allot of info
#57
BDC Motorsports
Well Westbrook's engine runs in the 17's AFR but he said he could run it at 18 if he wanted to but he has his perfect where it is now, while I want to get the best gas mileage i can in the highway because I have a good 60 mile drive to and from Houston. Driving to/from Houston allot like i do I wanted the best mileage for that.
My wideband seems to be working fine, and had been backed up with Westbrook's wideband on the back end of the exhaust so it is showing correct AFR's. So that means that my engine is running the 18 like my Wideband is showing.
Just to add, you have to be out of the twin throttle and only on the primary throttle, so that all the air is going thru the primary intake ports.
Yep there is allot of info
My wideband seems to be working fine, and had been backed up with Westbrook's wideband on the back end of the exhaust so it is showing correct AFR's. So that means that my engine is running the 18 like my Wideband is showing.
Just to add, you have to be out of the twin throttle and only on the primary throttle, so that all the air is going thru the primary intake ports.
Yep there is allot of info
B
#58
I wish I was driving!
Sorry Chuck, I don't mean to be disagreeable or bring a negative tone to this thread, but I don't buy it. It's far too lean on both counts; the engine won't run that lean no matter when you fire the plug. I question the accuracy of the sensor that's being used there to ascertain the ratios you guys are seeing.
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B
That, or verify your wideband against another.
#59
BDC Motorsports
B
#60
Engine, Not Motor
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I keep floundering between using the Kiwi kit or using my own setup. There are advantages and disadvantages to both. On one side I could say that I did it all myself. On another side there aren't any unknowns when using an engineered kit.
I think I've got some of my maps up on my website. Let me link what I have. They're for Haltech E6K/E6X and PowerFC. I'd bet you'd do better with the Haltech stuff. I made some different ignition curves I've pretty much stuck with. Been goofing with that for about 4-5 years now for the partial bridge. This is however for the 4-port turbo block. Download the JPBP1 map and load it up in the Haltech E6X software:
http://bdc.cyberosity.com/v/Technica...h/HaltechMaps/
http://bdc.cyberosity.com/v/Technica...h/HaltechMaps/
It's a bit annoying, but you also lose the cruise functions when you switch to matrix mode.
#61
Eye In The Sky
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Sorry Chuck, I don't mean to be disagreeable or bring a negative tone to this thread, but I don't buy it. It's far too lean on both counts; the engine won't run that lean no matter when you fire the plug. I question the accuracy of the sensor that's being used there to ascertain the ratios you guys are seeing.
Thus I only run them in winter. I just turned them down to 16.5.
I have seen higher cruising 18 AFRs a little but they are not a reliable to cruise as they are too lean.
TII primary coil, HKS Twin Power, Taylor very low impendance plug wires, D9EGV plugs gapped at .030".
I am out of this thread and will not respond any more to it.
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LongDuck
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