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What does this plug tell you #1565561
01/19/14 05:47 PM
01/19/14 05:47 PM
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pacific northwest
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Stroker Scamp Offline OP
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Here is a pic of my #8 plug, engine was started last month, not sure if you will be able to see in the pic but it almost looks like rust
Thoughts?


footbrake N/A SB 408 Scamp 10.10 @ 132 street/strip
73 Duster 340 street strip 12.79 @ 105
Re: What does this plug tell you [Re: Stroker Scamp] #1565562
01/19/14 06:18 PM
01/19/14 06:18 PM
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Romeo MI
MR_P_BODY Offline
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Was it fired up with unleaded fuel... but its dog rich
E-85 will give it a yellow/gold color

Last edited by MR_P_BODY; 01/19/14 06:20 PM.
Re: What does this plug tell you [Re: MR_P_BODY] #1565563
01/19/14 07:27 PM
01/19/14 07:27 PM
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NW INDIANA
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ta3834bbl Offline
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Tells me that you are going to have a pretty bad miss , until you put it back in.

Ok seriously, I'm guessing that you have had some hi-humidity in the engine compartment and maybe that intake valve was open letting the wet mix in ???
What did the other plugs look like ?

Last edited by ta3834bbl; 01/19/14 07:30 PM.

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Re: What does this plug tell you [Re: ta3834bbl] #1565564
01/20/14 10:30 PM
01/20/14 10:30 PM
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pacific northwest
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all the other plugs look about the same color this one just had the rust like corrosion
I had a dominator on it and had it jetted at 86 squared so that's why I think I was fat
I was just a little worried about the moisture deal as it was the first time I have ever had this issue, might do a leak down just in case
VP C12 is in the tank


footbrake N/A SB 408 Scamp 10.10 @ 132 street/strip
73 Duster 340 street strip 12.79 @ 105
Re: What does this plug tell you [Re: Stroker Scamp] #1565565
01/20/14 11:09 PM
01/20/14 11:09 PM
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State of confusion
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Thumperdart Offline
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Is that from idleing? If so, you need to work on the idle circuit plus a p/v is your friend..........


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Re: What does this plug tell you [Re: Stroker Scamp] #1565566
01/20/14 11:22 PM
01/20/14 11:22 PM
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Romeo MI
MR_P_BODY Offline
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Quote:

all the other plugs look about the same color this one just had the rust like corrosion
I had a dominator on it and had it jetted at 86 squared so that's why I think I was fat
I was just a little worried about the moisture deal as it was the first time I have ever had this issue, might do a leak down just in case
VP C12 is in the tank




IF it was rust.. your engine is rusting to death
right before your eyes... no I doubt that... fuels
will a LOT of times leave a hue on the plugs... yours
might be because its dog fat.. I would suggest a PV
and jet down on the primaries to get it leaned out

Re: What does this plug tell you [Re: MR_P_BODY] #1565567
01/21/14 12:14 AM
01/21/14 12:14 AM
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pacific northwest
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Stroker Scamp Offline OP
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I have sent out my A/F meter to get looked at and I am going to put the 950 back on and most likely switch over to E85
And yes that was just ideling with a couple throttle whomps


footbrake N/A SB 408 Scamp 10.10 @ 132 street/strip
73 Duster 340 street strip 12.79 @ 105
Re: What does this plug tell you [Re: Stroker Scamp] #1565568
01/21/14 01:30 AM
01/21/14 01:30 AM
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Monrovia, So-Cal, USA
racerhog Offline
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Wrong heat range plug.....
Bad Fuel.....
Turn the 4 corners in 1 turn each....


Bob(Cowboy)Hogan
Monrovia So-Cal
Re: What does this plug tell you [Re: Stroker Scamp] #1565569
01/21/14 01:35 AM
01/21/14 01:35 AM
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Florida STAYcation
dOrk ! Offline
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That gives PIG FAT new meaning ... you could washing-the-rings leaving it like this ...

Re: What does this plug tell you [Re: dOrk !] #1565570
01/21/14 01:58 AM
01/21/14 01:58 AM
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SoCal
Brian Hafliger Offline
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Does the engine still smoke?


Brian Hafliger
Re: What does this plug tell you [Re: Brian Hafliger] #1565571
01/21/14 03:03 AM
01/21/14 03:03 AM
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pacific northwest
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no smoke from the engine, but wanting to get this thing a bit more street friendly by loosing the dommy for now its a 3 circuit


footbrake N/A SB 408 Scamp 10.10 @ 132 street/strip
73 Duster 340 street strip 12.79 @ 105
Re: What does this plug tell you [Re: Stroker Scamp] #1565572
01/21/14 03:10 AM
01/21/14 03:10 AM
Joined: Jun 2003
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Romeo MI
MR_P_BODY Offline
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Quote:

no smoke from the engine, but wanting to get this thing a bit more street friendly by loosing the dommy for now its a 3 circuit




You can go with the smaller carb or maybe you know
someone with a 8082 1050 to borrow OR change your 3
circuit over to a 2 circuit... I've never had a hard
time getting any of the 3 circuit doms to idle.. even
without a PV... mid is the problem point







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