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Ckaz21

  • Karma: +1/-0
Sparkplug reading w/ Pics
« on: August 24, 2014, 07:03:50 PM »
Pulled my plugs. Engine has 15 hours on it. Not sure what to make of these reading cause theyre all over the place.

The first pic is of the drivers side of engine, plug are in order starting from the left is #1 cylinder and the last is #7. Second pic is of passengers side. Same order left is #2 last is #8.

* the flash caused the plug to appear a little lighter in color than they actually are.




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Ckaz21

  • Karma: +1/-0
Re: Sparkplug reading w/ Pics
« Reply #1 on: August 24, 2014, 07:11:45 PM »
Also could I be running the wrong plug for the heat range? The hottest the engine gets is when idling for a while it will it 140 other than that it cruises between 110-120


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Ckaz21

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Re: Sparkplug reading w/ Pics
« Reply #2 on: August 24, 2014, 07:14:27 PM »
Plugs are delco r44t's


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Handi-Crack

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Re: Sparkplug reading w/ Pics
« Reply #3 on: August 24, 2014, 07:17:19 PM »
Is this an olds?
  • Boat #1: 75 wriedt mavrick
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Ckaz21

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Re: Sparkplug reading w/ Pics
« Reply #4 on: August 24, 2014, 07:23:15 PM »
Haha no 454 bbc


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JBASHAM

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Re: Sparkplug reading w/ Pics
« Reply #5 on: August 24, 2014, 07:38:45 PM »
Well looks like #2 is either not firing or oil fouled.   

FYI a plugs heat range has nothing to do with engine temp. Theyre scaled on how fast the plug can dissipate heat. Higher compression motors need cooler plugs to help prevent pre-detonation, while lower compression motors need a hotter plug to keep the mixture burning efficiently.

What ignition system are u running?


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Ckaz21

  • Karma: +1/-0
Re: Sparkplug reading w/ Pics
« Reply #6 on: August 24, 2014, 07:46:41 PM »
Thanks! Running an msd streetfire hei.


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Ckaz21

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Re: Sparkplug reading w/ Pics
« Reply #7 on: August 24, 2014, 07:47:05 PM »
Compression is 10 to 1


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GT Jets

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Re: Sparkplug reading w/ Pics
« Reply #8 on: August 24, 2014, 08:14:11 PM »
If this motor is as new as you say it is, you either sucked an intake gasket or the rings refuse to seat....

She be running like crap  O0

GT
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

Ckaz21

  • Karma: +1/-0
Re: Sparkplug reading w/ Pics
« Reply #9 on: August 24, 2014, 08:21:05 PM »
Damn I hope not! Any chance I should be using different plugs?


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Re: Sparkplug reading w/ Pics
« Reply #10 on: August 24, 2014, 08:35:51 PM »
Damn I hope not! Any chance I should be using different plugs?


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What heads?

GT
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

Ckaz21

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Re: Sparkplug reading w/ Pics
« Reply #11 on: August 24, 2014, 08:36:20 PM »
049 w bigger valves


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Re: Sparkplug reading w/ Pics
« Reply #12 on: August 24, 2014, 08:39:37 PM »
The plugs IMHO are correct, looks like a sucked intake toward the front. Did she use some oil?

GT
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

Ckaz21

  • Karma: +1/-0
Re: Sparkplug reading w/ Pics
« Reply #13 on: August 24, 2014, 08:45:31 PM »
Yes she using only but I have no smoke at all. However I have bad valve cover leaks right now which I'm sure is where most of the oil is going cause I can see it pooling underneath lol.


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Re: Sparkplug reading w/ Pics
« Reply #14 on: August 24, 2014, 08:48:54 PM »
Yes she using only but I have no smoke at all. However I have bad valve cover leaks right now which I'm sure is where most of the oil is going cause I can see it pooling underneath lol.


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A sucked intake wont smoke... Not noticeably anyway..

GT
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

Ckaz21

  • Karma: +1/-0
Re: Sparkplug reading w/ Pics
« Reply #15 on: August 24, 2014, 08:52:02 PM »
Hmm well before I rip the intake off should I just toss some knew plugs in it and rip around for a day then check them to make sure its not just a dead plug?


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Re: Sparkplug reading w/ Pics
« Reply #16 on: August 24, 2014, 09:00:01 PM »
Hmm well before I rip the intake off should I just toss some knew plugs in it and rip around for a day then check them to make sure its not just a dead plug?


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You can do anything you want... But those nasty black plugs where not dead, not for quite a while anyway...

I can do an intake in 30 minutes in the dark with a slight buzz... ;)

GT
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

Ckaz21

  • Karma: +1/-0
Re: Sparkplug reading w/ Pics
« Reply #17 on: August 24, 2014, 09:08:01 PM »
Haha damn I'll slap some new intake gaskets on it tomorrow and see what happens


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Re: Sparkplug reading w/ Pics
« Reply #18 on: August 24, 2014, 09:13:22 PM »
Haha damn I'll slap some new intake gaskets on it tomorrow and see what happens


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Hahaha... Just bustin' your balls... I would be shocked if you didn't suck an intake. It almost has the textbook look of it.

Be sure to check them over really well as you pull it apart.

You have to follow the factory torque sequence, otherwise excessive shift causes the gasket to squish out of place. I normally High Tack them to the head and Permatex number two the water ports using Ultra Black on the ends... No end gaskets.

Might just be me...

GT
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

Ckaz21

  • Karma: +1/-0
Re: Sparkplug reading w/ Pics
« Reply #19 on: August 24, 2014, 09:26:22 PM »
It makes sense because the plugs toward the back are almost white and the fronts look like trash. I followed the edlelbrock torque sequence specifically for my intake. Should I not have?


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Re: Sparkplug reading w/ Pics
« Reply #20 on: August 24, 2014, 09:28:07 PM »
It makes sense because the plugs toward the back are almost white and the fronts look like trash. I followed the edlelbrock torque sequence specifically for my intake. Should I not have?


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You definitely should have... Many do not. Did you glue the gaskets down with something?

GT
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

Ckaz21

  • Karma: +1/-0
Re: Sparkplug reading w/ Pics
« Reply #21 on: August 24, 2014, 09:28:24 PM »
Also I always permatex the water ports, but I thinking of using it on the intake ports as well to help hold it in place during install...thoughts?


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Re: Sparkplug reading w/ Pics
« Reply #22 on: August 24, 2014, 09:30:23 PM »
Also I always permatex the water ports, but I thinking of using it on the intake ports as well to help hold it in place during install...thoughts?


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Too unruly and messy... I have always used Spray High tack from Permatex.

Spray the gasket, head side and set them on the head after putting on the number two on the water ports.

GT
  • Boat #1: 1992 Carrera 20.5 Elite (I/O bitches)
  • Boat #2: 19' Bubble deck Jet BBC Berkeley
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If i get some free time tonight at work, ill play with it and post it for everyone to see.

Time to man up and yank it John!  :banghead:
Ray

Ckaz21

  • Karma: +1/-0
Re: Sparkplug reading w/ Pics
« Reply #23 on: August 24, 2014, 09:33:24 PM »
Forgot they made that stuff! Good tip thanks.


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Ckaz21

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Re: Sparkplug reading w/ Pics
« Reply #24 on: August 24, 2014, 09:34:43 PM »
And no I didn't use anything to hold them down the first time. But I did use perm on the water ports though.


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