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BIKELAND > FORUMS > DRAGBIKE ZONE.com > Thread: brunette Barbie fixed the plug/piston "interference NEW TOPIC NEW POLL POST REPLY
nox


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posted September 24, 2007 05:05 AM        
Man, I thought I stayed up late in the Garage........

You go Karl.
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VincentHill


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posted September 24, 2007 01:04 PM        
Karl, Please read my Note to Ali and follow my Advice! You guys are making me SOO Tired!! When I saw the pistons, I did not like the SHARP Edge as a point of Detonation. Never thought about spark plug issues! Use a Copper indexing washer to move the plugs Higher or use a Surface Gap Plug and then no clearance problems!
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woppi


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posted September 24, 2007 10:40 PM        
@entropy

a big question ??

how many times, did you, this year open your engine ????

i think, your hobby is, to strip your bike ???

do you buy the head gaskets pack of 10 ???

no hard feelings !!!!!!!!!!!!!!!!!!

woppi

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entropy


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Posts: 8671
posted September 25, 2007 01:10 AM        
Vince:
I'm only 59 so I have plenty of energy to pull all nighters in the garage
I hear you about the sharp edges, and they were "fixed" at the same time I clearanced the PTP gap. TimChin and you are aligned that surface gap plugs may be the next step if my clearancing isn't sufficient. Copper indexing washers??? hmmmmmmmm????

woppi
I have been into this motor WAY too many times but every time i learn something brand new, and I oughta buy headgaskets in the giant value packs LOL
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nox


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PMRA / TMRC Super Street 4022
Posts: 3745
posted September 25, 2007 04:52 AM        
Wow, I still feel young. Karl is twice my age........., but he can go longer than me in the garage..........

Guess he has had more practice at it lately........

Good luck Karl, go TFA!!!!!!!
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KZScott


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posted September 25, 2007 05:51 AM        
haha I think Im the youngest one here and i dont pull very many all nighters in the garage. I hope Im still going like Karl when I get "up there"

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ninja12


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posted September 25, 2007 06:16 AM        
quote:
Wow, I still feel young. Karl is twice my age........., but he can go longer than me Guess he has had more practice at it lately........

Good luck Karl, go TFA!!!!!!!


You have to be more careful at what you say. , This is what I saw when I read that.

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nox


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posted September 25, 2007 06:18 AM        
LOL

Yeah, bad choice of words for sure.;............lol


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VincentHill


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posted September 25, 2007 07:40 AM        
quote:
LOL

Yeah, bad choice of words for sure.;............lol




Sometimes people read the words and sometimes they read the Thoughts. "MY" Words can be farily hard at times but to the people that can read my thoughts a lot more is understood!

Mr. Karl, !str mistake is on you but the second time around, No force of Nature was going to get in the "Envelope" to remove those Oil Squirters It only took me 10 minutes to break in! I was Impressed!!

The Indexing Copper spacers were used in the day of having the Open gap of the spark plug facing the incoming Fuel / Air Charge. Each one is a few thou. different in Thickness
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nox


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Posts: 3745
posted September 25, 2007 07:51 AM        
Yeah, Karl keeps people from peeking in his shipments........, he stocks up on tape I think
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entropy


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posted September 25, 2007 11:08 PM        
hahahahahahahahaha

you guys keeeeeeeeeeeeeeeeeeeeeell me

VH: glad you finallt got em. rape is your friend!
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ninja12


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posted September 26, 2007 08:28 AM        
Karl, I'm impressed that your shipping impressed Mr Hill.
I thought I did a good shipping job until I saw how he shipped it back.
Most people pack to survive a 10 foot drop. Vh packs to survive D-Day.
You impressed him, well you know what that means? JK.

Karl, you could probably get away with using double plug washer ,
But I'd check with the head off to be sure.



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entropy


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posted September 26, 2007 09:18 AM        
I'm hoping that the clearancing i did on the pistons will make things OK. I'll see on fri at the dyno.
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VincentHill


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posted September 26, 2007 01:17 PM        
WOW Ninja 12! Only I have the Nerve to YELL at someone that is sending me something I need for FREE! But trust me on this, Double what I think is safe and you are "Starting" to get the picture of how he sent the Jets! The "Outside" Envelope was big enough to get MY big head into and he had it folded over twice! Inside that he had a Real Folder that was folded several times and Inside that was some Business Cards (About 4 of them and inside them was a piece of paper with the 2 jets tapped to it. Did I mention the Clear packing tape that covered everything? Yes, I was "Impressed"
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aliveagain


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posted September 27, 2007 01:58 AM        
Those pistons are quite different then mine.At 13/1,my 87mm pistons have a flatter top.
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entropy


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Posts: 8671
posted September 27, 2007 02:54 AM        
quote:
Those pistons are quite different then mine.At 13/1,my 87mm pistons have a flatter top.


Pete,
yep, quite different.
I had JE build me those pistons with deeper valve pockets and then build up the dome to keep the CR as high as possible.
The hi dome may screw with combustion dynamics??? who knows...

Tomorrow i go back to the dyno and see what happens.
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entropy


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posted September 27, 2007 02:55 AM        
quote:
WOW Ninja 12! Only I have the Nerve to YELL at someone that is sending me something I need for FREE! But trust me on this, Double what I think is safe and you are "Starting" to get the picture of how he sent the Jets! The "Outside" Envelope was big enough to get MY big head into and he had it folded over twice! Inside that he had a Real Folder that was folded several times and Inside that was some Business Cards (About 4 of them and inside them was a piece of paper with the 2 jets tapped to it. Did I mention the Clear packing tape that covered everything? Yes, I was "Impressed"


VH: I was just following yr directions
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aliveagain


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posted September 27, 2007 04:27 AM        
What made me take a double look was the marks on the piston made me wonder if the electrode was firing off the piston using it as a ground.I don't know a lot about timing,but it just seems like not all of those marks were from contact.
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entropy


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Posts: 8671
posted September 27, 2007 05:32 AM        
quote:
What made me take a double look was the marks on the piston made me wonder if the electrode was firing off the piston using it as a ground.I don't know a lot about timing,but it just seems like not all of those marks were from contact.


BINGO!

First I had a hi rpm missfire with the short plugs. They definitely did NOT hit the pistons.

Then I put in the OEM NGK plugs which are .120" longer. The missfire got way worse and soon the motor wouldn't run at all. The long plugs were definitely hitting the pistons.

When i look carefully at the marks on the pistons i also can convince myself that i see marks not due to contact, but have been overprinted by the electrodes actually hitting.
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ninja12


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posted September 27, 2007 08:06 AM        
Why would it fire to the piston, when the strap is grounded.
The fire come from the center out to the ground strap.
How can the piston be closer than the strap, especially when ignition takes place
BTDC.

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entropy


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posted September 27, 2007 08:34 AM        
G
i don't really have a clue what happed, i just don't want it to happen again

On the bright side, I have been (seemingly) systematically smashing every component on my bike.

Now I can add all 4 plugs to the list.
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aliveagain


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posted September 27, 2007 08:42 AM        
quote:
Why would it fire to the piston, when the strap is grounded.
The fire come from the center out to the ground strap.
How can the piston be closer than the strap, especially when ignition takes place
BTDC.


Karl,do you use anything on the threads?
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entropy


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posted September 27, 2007 09:02 AM        
nope nothing on plug threads other than my greasy fingers.
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ninja12


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posted September 27, 2007 12:43 PM        
I hope you got it fixed.
Too many years as an analyst make me want to understand everything.

G

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VincentHill


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posted September 28, 2007 07:18 AM        
quote:
I hope you got it fixed.
Too many years as an analyst make me want to understand everything.

G


Good thinking 12. The only thing I could think of was if he was out of TIme (Retarded) for some reason. Remember this system has the "Waste Spark" so every time the piston comes up there is a spark.
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BIKELAND > FORUMS > DRAGBIKE ZONE.com > Thread: brunette Barbie fixed the plug/piston \"interference NEW TOPIC NEW POLL POST REPLY

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