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Old 01-02-2013, 05:37 PM   #1
tsflstb
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mini racing

This is some kind of Czech motard series. The first two races are minis and start around 3:00. Looks like most of them are Pitster Pro models with serious modifications. When does TMGP to start again?

http://vimeo.com/47152826#
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Old 01-02-2013, 10:58 PM   #2
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not sure when it is going to start... denny posted up on the tmgp site that they are still waiting on the karts to get their schedule completed....it may be another month before we have a schedule firmed up...once we get the schedule we need to get some guys together who are interested in doing endurance and see who can make the dates....
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Old 01-02-2013, 11:04 PM   #3
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they use a lot of pitster pro bikes in the candian mini gp races...and they have nationals there...
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Old 01-02-2013, 11:39 PM   #4
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That's what we need..... some ramps on the Katy track straight.
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Old 01-03-2013, 12:45 AM   #5
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that's the only place I haven't crashed...yet
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Old 01-03-2013, 07:57 AM   #6
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adding a dirt section with some jumps would be cool...it would GREATLY increase my chances of crashing though, lol


what would be cool is if they would close off memorial park for us to race, that place is a blast to ride on a mini tard..not that I would know but at night is a blast
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Old 01-03-2013, 12:56 PM   #7
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Moore park in lafayette for dirt. Just found two other kart tracks in Mississippi that are used for moist racing . They have an event coming up last weekend in January.
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Old 01-03-2013, 11:03 PM   #8
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We need a road trip east sometime. There's that nice track in Georgia on Josh Herrin's property that hosts a lot of mini racing too.

Rob/Jason I need some help with my new cheater engine.

How do you check valve clearances if your "F" and "T" marks aren't on the flywheel any more?
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Old 01-04-2013, 01:27 AM   #9
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Quote:
Originally Posted by tsflstb View Post
We need a road trip east sometime. There's that nice track in Georgia on Josh Herrin's property that hosts a lot of mini racing too.

Rob/Jason I need some help with my new cheater engine.

How do you check valve clearances if your "F" and "T" marks aren't on the flywheel any more?
take the spark plug out and stick something like a straw of something in there and turn the flywheel to feel where the piston is at TDC and mark in on the flywheel
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Old 01-04-2013, 07:50 AM   #10
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I always did it based on valvetrain movement. When rolling flywheel back and forth, if one moved immediately after the other that was the "exhaust/intake" strokes. You want to adjust when there is a significant dealy betwen their movements which would be the "compression/combustion" stroke.

There should be no load on valves and you should be able to wiggle the rocker during this period.
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Old 01-04-2013, 11:06 AM   #11
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I thought it was sometime after TDC when the "F" mark comes up on the pointer. There's probably 30 degrees when valves are both closed on the "flat" part of the cam.

It sounds like it doesn't really matter where exactly you take the readings in that window between TDC and 30 after TDC since the valves aren't moving or riding on the cam?
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Old 01-04-2013, 12:12 PM   #12
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Quote:
Originally Posted by tsflstb View Post
I thought it was sometime after TDC when the "F" mark comes up on the pointer. There's probably 30 degrees when valves are both closed on the "flat" part of the cam.

It sounds like it doesn't really matter where exactly you take the readings in that window between TDC and 30 after TDC since the valves aren't moving or riding on the cam?
That's what I understand. When in that period, if exhaust is moving adjust intake, and then roll until intake starts to move and adjust exhaust.
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Old 01-06-2013, 12:13 AM   #13
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Sorry but another tech question...I'm lowering a set of forks and cut the spring down to match the spacer length. I've heard not to do that, mostly from companies selling new springs. Has anybody had problems with an angle grinder cut on the spring? It won't have that nice flat ground last coil anymore to spread out the load. I looked for a shorter version of a CR85 spring but I think it would be one of those custom deals$$$$.
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Old 01-06-2013, 07:18 AM   #14
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I haven't had any issues yet.
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