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03-24-2011, 11:41 AM | #11 |
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Re: Help!!
I like your style
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Chad Rhodes 2113 I/SA |
03-24-2011, 11:43 AM | #12 | |
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Re: Help!!
Quote:
I'm not up to more maintenance than I have now. Now, GET OFF MY BUTT ABOUT BUILDING A STICK CAR!! LMAO!
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Ed Wright 4156 SS/JA |
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03-24-2011, 11:47 AM | #13 |
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Re: Help!!
Ed, does your XFI have an internal datalogger? If so can you view parameters such as rev limit signal voltage? My system indicates a certain voltage ....3.2 volts = rev limiter on 0 volts = rev limit off. May be a way of seeing if in fact it's being requested to be on. Also may have to set sample rate very high.... fast as comm will allow. Just a thought. Joe
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Joe Buchanan SS/BX 3117 |
03-24-2011, 12:07 PM | #14 | |
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Re: Help!!
Quote:
Thanks Joe!!
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Ed Wright 4156 SS/JA |
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03-24-2011, 12:47 PM | #15 |
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Re: Help!!
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Ed Wright 4156 SS/JA |
03-26-2011, 04:18 PM | #16 |
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Re: Help!!
I've spent all morning going over my car. I'm trying to get all those little things that never get fixed or looked at taken care of. Someone on here talked about a T-brake tripping at the wrong time. I got to looking at my switch and figured out I was having a similar problem. Last week my T-brake activated going up on the front end lift and going across the parking lot to load up and leave the alignment shop. You know, just a momentary thump/stumble type of apply. Well, best I can tell the little micro switch was set up in the button with partial travel already used up.
I could move the plunger less than .010 and the V/O meter would indicate a circuit. I think the odd /harsh vibrations of my little "V6" was shaking the switch enough to make a intermittent circuit. I took it all apart, moved the slope on the rod .040 and took the diameter of the rod where the switch roller rubs down to .340 depth. the switch lever starts to make contact @ .319. so I now have approx .045 travel in the plunger before the switch completes the circuit. (running SS I don't need the instant apply like a super class car) I also have the switch roller in a position where it is not touching anything when the switch is at rest. My thought there is no harmonics going through the switch lever. Well, I'll try to check it out next weekend. I think I'm going to find that thread and add my findings. Ed, while I was reading this I thought of another issue that could be your problem. If theses switches are all set up so close on the travel could the little spring in them cause a slight snap back when you release it? You know, like a valve bouncing on the seat. I always used a couple of shims on my switch and the spring seemed pretty soft so I tightened the spring up a couple of rounds. I figured I could take the shims out if it got too fast. Since it's been three years since I used a T-brake and I added a few B-days to myself I figure I've slowed down. :~) Good luck with it.
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Adger Smith (Former SS) |
03-26-2011, 08:17 PM | #17 |
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Re: Help!!
Adger, you got me thinking more about this. I'm going tonpull that thing and measure that with a dial indicator, with my dvom connected. Thinking about my lab 'scope connected to see what kind of wave form I get with both the old and new switch to see if the new one is ant cleaner. It was too cold and wet to test today so we got some running around done. Think I can get in on a track rental Mon, so will do some investigation about this tomorrow (Sun).
Thanks for some new thinking about this. Ed
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Ed Wright 4156 SS/JA |
03-27-2011, 02:00 AM | #18 |
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Re: Help!!
Ed, you have a PM
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Adger Smith (Former SS) |
03-28-2011, 12:25 AM | #19 |
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Re: Help!!
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Chad Rhodes 2113 I/SA |
03-28-2011, 12:28 PM | #20 |
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Re: Help!!
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Ed Wright 4156 SS/JA Last edited by Ed Wright; 03-28-2011 at 12:30 PM. |
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