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166% fuel too much?

Old 06-13-2004, 01:09 AM
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Default 166% fuel too much?

Is 166% fuel compensation for boost at 10lbs too much? Because I believe it is and that's what the b16FI.zdy map is set at for zdyne. I used that map and my A/F ratio is at 8:1 by the time I hit redline
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Old 06-13-2004, 01:15 AM
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Default Re:166% fuel too much?

Umm when you consider that 12:1 is cosidered rich, but safe, for boosting yeah, i'd say with 8:1 you're probably getting 2.7 miles per gallon and your o2 sensor and catalytic converter are trashed
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Old 06-13-2004, 02:26 AM
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Default Re:166% fuel too much?

Originally Posted by Will
Umm when you consider that 12:1 is cosidered rich, but safe, for boosting yeah, i'd say with 8:1 you're probably getting 2.7 miles per gallon and your o2 sensor and catalytic converter are trashed
why would you be running a cat?
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Old 06-13-2004, 02:51 AM
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Default Re:166% fuel too much?

Because its illegal to not have one

Not everyone lives in goldbar, lol

The B16a FI map (166% boost comp) is fine for most B16 setups w/ 450cc injectors.

Do you have a wideband? did you modify your map at all?



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Old 06-13-2004, 03:20 AM
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Default Re:166% fuel too much?

Sorry guys, My mistake I wasnt 8:1, thats crazy rich, but here's my Dyno sheet from today with the wideband 02 reading on it. It starts out really lean then gets real rich. I do not have a cat by the way. I am running the B16FI map and it's not changed at all. I need some help on this, I know I should have more than 176whp w/ an LSVtec turbo setup running 7lbs

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Old 06-13-2004, 03:50 AM
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Default Re:166% fuel too much?

Man, that looks like a dyno from a LS.. not a ls/vtec, are you sure vtec is working? Your fuel map sucks ***** too, I have a ls/vtec map you can try if ya want..

What is your exact setup,

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Old 06-13-2004, 04:19 AM
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Default Re:166% fuel too much?

I'm pretty sure the vtec is working, I can recheck it. Can you send me the LS Vtec map to [email protected] and is it already setup for boost?

My setup:

Stock LS Bottom end(C/R 9.7:1), GSR Head
Skunk2 IM, dsm 450cc injectors, walbro 255lph, Fuel pressure is at 42psi w/ stock FPR, T3 .42/.48, 2.5" downpipe, no cat, 3" cat back, 7psi, vtec is set at 5,200 rpm, full msd ignition, ngk cold plugs, 18X9X2 FMIC, 2.5" charge pipes, LS throttle body, aem fuel rail, zdyne GOLD SECU w/ b16aFI program

That's pretty much my exact setup for stuff that matters
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