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by ftc
[June 11, 2019, 10:30:44 AM]
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Author Topic: Crazy Al Racing's Powerdynamo Ignition/Lighting System.  (Read 109643 times)
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alward25
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« Reply #120 on: July 17, 2015, 08:29:06 PM »

Great News!!!  We will all be waiting!
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« Reply #121 on: July 17, 2015, 08:39:31 PM »

what is the farthest advanced you've run it, or heard of anyone going?

also, the measurements you give, are you talking vertical or in the same plane as the plug hole. ie if you had a dial gauge threaded into the sparkplug hole, its not travelling vertical but at the same angle the plug sits.

i don't have one of those fancy setups so i'm just using the end of a caliper held vertical in the plug hole
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alward25
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« Reply #122 on: July 17, 2015, 09:18:24 PM »

Spend the $40 on ebay to get the good one, it will be more consistent,  The first time I did not have one and used calipers and held it square on the the hole, it took longer to get right than if I had just bought the right tool.

http://www.ebay.com/itm/PVL-ENGINE-IGNITION-TIMING-TDC-DIAL-INDICATOR-POLARIS-14mm-SPARK-PLUG-THREAD-/161755672671?hash=item25a963b05f&vxp=mtr
« Last Edit: July 17, 2015, 09:19:56 PM by alward25 » Logged

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« Reply #123 on: July 17, 2015, 09:32:09 PM »

not going to get it by tomorrow am unfortunately. after that, back to work and done playing.

any insight as to how far anyone has run advanced, or if you're talking vertical or the same plane as the plug hole?
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sandblaster
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« Reply #124 on: July 17, 2015, 10:05:00 PM »

Spend the $40 on ebay to get the good one, it will be more consistent,  The first time I did not have one and used calipers and held it square on the the hole, it took longer to get right than if I had just bought the right tool.

http://www.ebay.com/itm/PVL-ENGINE-IGNITION-TIMING-TDC-DIAL-INDICATOR-POLARIS-14mm-SPARK-PLUG-THREAD-/161755672671?hash=item25a963b05f&vxp=mtr

I bought one... Last time I made my own.
It worked fine but this is too sweet to pass up  cool
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The four stroke engine: That's one stroke for producing power and three for wearing the engine out.
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« Reply #125 on: July 18, 2015, 03:26:24 AM »

Spend the $40 on ebay to get the good one, it will be more consistent,  The first time I did not have one and used calipers and held it square on the the hole, it took longer to get right than if I had just bought the right tool.

http://www.ebay.com/itm/PVL-ENGINE-IGNITION-TIMING-TDC-DIAL-INDICATOR-POLARIS-14mm-SPARK-PLUG-THREAD-/161755672671?hash=item25a963b05f&vxp=mtr

I bought one... Last time I made my own.
It worked fine but this is too sweet to pass up  cool

Made in china smiley
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sandblaster
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« Reply #126 on: July 18, 2015, 07:34:54 PM »

And you know how I love buying junk from China  shocked
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The four stroke engine: That's one stroke for producing power and three for wearing the engine out.
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« Reply #127 on: July 18, 2015, 09:29:40 PM »

so the best we found was at 20.45 deg BTDC. A peak of 78, and over 70 from 7500-8500rpm. very strong.  measuring along the circumference of the rotor, its 22.5mm from the factory mark. did some math and figured out every 1.1mm is 1 degree .

going back to 2.2mm / 16.2 deg / 17.8mm you're down about 6hp over a 1000rpm range.

at 1.5mm / 13.3 deg / 14.6mm youre way off the mark. down over 10.

it will barely run when its set at TDC

didn't advance any more than 20.45 deg. thought we had gained enough. we likely could have though.

This is running c12, checking plugs, fuel flow, egts. all that good stuff. use at your own risk. Mine's staying at 20.45 though.
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alward25
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« Reply #128 on: July 18, 2015, 09:38:02 PM »

Dimension BTDC?  When u get a chance.  Great info!
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« Reply #129 on: July 18, 2015, 09:52:35 PM »

my math says 3.49mm (vertical, draw some triangles and sort out correction for the plug being on an angle if you like)

can you get the timing curve for these things? would sure be handy to know if you could find out.

especially for a guy who got you all this good info!
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alward25
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« Reply #130 on: July 18, 2015, 10:15:17 PM »

I will see what I can do.  That number would not work if using a timing dial indicator.  It would be way too retarded.
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« Reply #131 on: August 13, 2015, 08:23:00 PM »

were you able to get the actual timing curve?
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Dirty907
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« Reply #132 on: November 07, 2015, 02:52:53 PM »

Still have these setups for sale? Looking into streeting my 94 k5.
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« Reply #133 on: November 07, 2015, 03:42:41 PM »

Yes sir.
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« Reply #134 on: December 28, 2015, 12:54:11 PM »

Was it ever determined if this system would work on both the KX250 and the '86/'87 Tecate 250?
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