Recent content by bobc455

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    New turbo...do I need to tweak XFI?

    The time you'd really need to make a change is if you flow more air without making more pressure (i.e. cam change, head porting, etc.). If your intake tract has not been modified, then all you probably need to do is tweak the VE vales and timing values at the new higher pressure. -BC
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    Classic fast no injector pulse or spark

    Fuse to the injectors? -Bob C.
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    Problem with FAST XFI.

    If your fuel pressure is not dropping at WOT, then the wiring is not the problem. Can you observe your fuel pressure while driving? Is it dropping at WOT? -Bob C.
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    Problem with FAST XFI.

    Is your fuel filter visible while driving? Or is it underhood? (as long as pressure is not dropping, your pump is able to handle whatever flow the injectors are requesting.) Do you have any O2 correction? Does a datalog agree that the injectors are trying for 100%? Does this occur at...
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    Weird Bank to Bank Problem

    Your closed loop low and high RPM are both set for 4000 RPM? I would think you would never get any O2 correction. -BC
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    Weird Bank to Bank Problem

    What RPM parameters to you have for closed-loop? (High and Low) -BC
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    FAST XFI or BIG STUFF???

    Does the BS3 have a form of traction control? -Bob C.
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    gear based AFR targets necessary? (XFI)

    A few months ago, Craig Smith discussed an interesting way to use the knock retard to back off timing off the line, which would also help spool-up. Did you see that post? -BC
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    Rhode Island Mechanic?

    For anything serious (and even most stuff that isn't), Cotton is worth the trip. In the north east, he can't be beat. -BC
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    What happened? FAST Classic related

    Remember that if CalCom was polling more than 14 (?) data points from the FAST, the data rate goes WAY down. Did you have any other windows open in the background (maybe a timing table or something)? I've found that more than about 12-15 frames per second can cause problems, even though...
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    Supercharged Corvette C6 Z06 vs Ferrari F430

    I'd like to see them in a 1km drag race, 1/4 mile isn't enough time for the Ferrari to get going. -BC
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    what am i missing??

    Is the key on? -Bob C.
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    Chevy 427 motor

    Do you have the knock sensor hooked up & enabled? -Bob C.
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    Help name my Kitty

    I have a friend who named his dog Skylark. Sorry if you're reading this Brian, but I gotta say that the name is very hokey. Cool dog but uncool name. Stick with a non-car-related name, such as tiger or mittens or butch or whatever. Just my opinion... -Bob C.
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    Is it true???

    I'm going to start growing corn in my garden -BC
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