entropy
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posted October 10, 2004 11:49 PM
 Edited By: entropy on 11 Oct 2004 08:49
2-stage Lockup tuning; good Q Wezze93
Wezze93 asked a good question, one which deserves it's own thread:
"im having problems with my clutch an mtc single [2] stage lock-up i tried to run three weights an washer it ran good mph on the spray but my 60ft. is not good, because it lock up to soon. so i took all the weight off i could come out better an my mph was good on motor but when i sprayed it my clutchs start slipping what can i do to get it to leave good an hold up the spray"
I am testing the same issue, i.e. the transition between static spring pressure and centrifugal arm pressure; good 60' vs bike coming up about 60' out. I took all the weight off the arms and the clutch locked up a little bit further down the track, so I could see cause n' effect on the LM-1. Too bad that I lost the motor at the big end so i couldn't see if mph was off due to no weights.
Should I have bought a multistage??
Anybody have any thoughts???
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kawachan
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posted October 11, 2004 07:29 AM
Good question KARL!!
I need to know that too.
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your car is slow
Needs a job
Fuck Nitrous...Got Boost?
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posted October 11, 2004 08:18 AM
As do I (or I will shortly anyway)
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entropy
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posted October 11, 2004 10:00 AM
Anyone wanna buy my MTC 2 stage??? (so I can buy a multistage) No problems whatsoever with biting the heads off puller shafts.
I bought it because I was afraid that the multistage would be impossible for me to set up, but with the LM-1, I think I can do it systematically.
I have gotten a 1.429 60' outa the 2 stage, but I want MORE! 
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cowboy
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posted October 11, 2004 11:03 AM
Edited By: cowboy on 11 Oct 2004 12:03
you need a multistage
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wezze93
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posted October 11, 2004 07:07 PM
entropy what is your weight an how long is your bike an what was the set up on the lock-up used to cut that 1.429 60ft.
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entropy
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posted October 12, 2004 02:13 AM
Edited By: entropy on 12 Oct 2004 03:17
quote:
entropy what is your weight an how long is your bike an what was the set up on the lock-up used to cut that 1.429 60ft.
I am 210-215# suited; 67.5"; had 6 OEM clutch springs, nut, bolt, washers on 3 arms, no weight on the other 3 arms. Launched at 4500rpm, snapped clutch out, was WOT about 60' out.
Data log showed I rocked the throttle shortly after leaving the line; a bad habit I am trying to cure. Seems like when the arms come out and the clutch starts to bite, my rhand gets wimpy.
60'_____1.429
330'____3.755
1/8_____5.721
1/8 mph_125.32
1000'___7.433
1/4_____8.892
1/4 mph_154.00
A Bud of mine (Buddy) is lending me a multistage MTC off his idle turbo12, so when Cheeseman gets the motor together, I will be experimenting with it.
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bossman12r
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posted October 12, 2004 11:21 AM
Entropy, you said you lost your motor, I thought the pistons where fixed?
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entropy
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posted October 12, 2004 02:17 PM
Edited By: entropy on 12 Oct 2004 15:18
Bossman,
A week ago I plugged the oil screen full a' clutch scubbas;
started skating at the big end
pistons looked fine
bearings didn't
crank's back
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bossman12r
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posted October 12, 2004 05:09 PM
What timing, any change it will be ready for the 16th?
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entropy
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posted October 12, 2004 10:04 PM
nope, won't be ready 
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kawachan
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posted October 13, 2004 09:14 AM
How much??
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entropy
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posted October 13, 2004 09:50 AM
Edited By: entropy on 13 Oct 2004 23:31
quote:
How much??
how much what??? the crank?? a bit less than $350 incl 1 way next day delivery. That place is unbelievable!
AND David, the owner??? called me the day after it was delivered to make sure everything was fine. Man o' man, talk about customer support!!!!!
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johnnycheese
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posted October 13, 2004 10:29 AM
yep David is the man STANDS behind his work
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kzz1
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"Show me whatcha workin with"
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posted October 14, 2004 03:54 AM
Edited By: kzz1 on 14 Oct 2004 04:57
David Who? Thinking about having some crank work done this winter Ah... Never mind, Saw the other thread 
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kawachan
Pro
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posted October 14, 2004 03:58 AM
How much for the MTC??
......and give out the number to this mystical "David" guy!!
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entropy
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posted October 14, 2004 04:46 AM
kzz1,
Do youself a favor and call him; VERY nice guy, full of info. You might be surprised who sends him work.
Chan-man
$375 for the MTC; my issue is how to deal with the clutch cover which needs modding,.. No charge for my info gathered with my LM-1 which will REALLY help set up the clutch quickly. I was getting very close when the motor went south
Marine Crankshaft
David Eden - 949 222 9006
17785 Skypark Circle, Suite K, Irvine, CA 92614
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wezze93
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posted October 14, 2004 08:48 PM
i was at the track tonight an when i spray it wouldn't go in 4th gear an then when i take off at about 60ft. out my rpm just shot up real fast do any one know what is going on is it my clutchs or what
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