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Old 04-13-2013, 09:34 AM   #551
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Originally Posted by oricko View Post
...mechanic ...said it was the waste gates spooling when they should not be.
I really really really hope a Ford mechanic didn't say that.
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Old 04-13-2013, 09:35 AM   #552
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Originally Posted by engineermike View Post

i really really really hope a ford mechanic didn't say that.
lmfao!!
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Old 04-13-2013, 10:36 AM   #553
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I really really really hope a Ford mechanic didn't say that.
Probably the lube tech, haha!
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Old 04-13-2013, 02:38 PM   #554
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Probably the lube tech, haha!
The lube tech said he just put 8 qts of 5W-20 in your EB.
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Old 04-13-2013, 02:57 PM   #555
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Originally Posted by Mr_Snips View Post
It wasnt the anti sieze...its the fact that i was overtightening them...i took them out and sure as **** they were cracked again. So i through spares in there and now it runs better than new (i'll get all the same plugs tomorrow). 11 ft lbs though, seriously ford? why is this?
Anti-seize lubricates and allows you to over tighten. The same is true of lubricating lug nuts.
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Old 04-13-2013, 03:49 PM   #556
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Originally Posted by Bosro View Post
Didn't know I had the misfire/shudder issue till I put a 91MPT tune in.
Even with a 87 Tow tune in the problem is there but stock never ever threw a code or misfired.
Pulled the plugs this morning a all were gapped around .40 but plugs themselves looked amazing good with 30K on them.
Re gapped to .30-.32
Initial start up the truck had a surge at idle,probably 100rpm bounce.
Went and did multiple launches and wide open throttle runs and misfire is gone.
Idle has steadied out too.
See where it goes from here...
what kind of plugs are you using? NGK or Motorcraft? what is the part number? I have the MPT tune and needs to learn what to do so i don't get misfire.
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Old 04-13-2013, 10:35 PM   #557
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Originally Posted by CoreyMS View Post
What is the anti-seize made of?

Remove the anti-seize, clean it real good with some brake cleaner and let them dry. I know it goes against what you want to do, put them in clean. At least until this can be ruled out.

The plugs only torque to 133 inch pounds, thats like 11 ft pounds. Seriously that is next to nothing. I have done these plugs 3 times now, haven't messed up a single plug yet. I can run the plugs down just to they stop and they will click 133 in lbs without turning. Seriously not much.

On my 2000 mustang the 4.6 v8 heads are notorious for stripping out.

I've always used a 1/4 ratchet instead of 3/8 or god forbid someone tries a 1/2"... with adapter to try to prevent over torquing.

I am going to be checking mine tomorrow morning I am experiencing spark blow out at like 5500 rpms in wot 1st gear.
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Old 04-14-2013, 07:51 PM   #558
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I had a problem with one of the boots coming off the end of the coil. I was working on a cold engine. Do you think it would be better for the engine to be warm? I have 2 more plugs to gap but am a little worried about pulling off another boot.

Jeff
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Old 04-14-2013, 11:03 PM   #559
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Replaced my plugs today, 3 were at 0.40 the other 3 somewhere between 0.35-0.40, what was really weird was that the ceramic on two of the plugs cracked or were already cracked when I pulled them out. I've replaced plugs on numerous vehicles and I've never seen that before .

Replaced them with Motocraft SP534... all gapped at 0.30... so far so good.
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Old 04-23-2013, 08:21 PM   #560
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Quote:
Originally Posted by CoreyMS View Post
Could be a plug quality issue, rather than a heat range issue. I've swapped back and forth a few times as well. I get similar mileage and performance. I'm thinking about testing a set of stock heat range better quality plugs next.

Watt, both gapped the same? Gap can change idle quality ect....
Hey, curious --- what is your mpg? My sucks at 17 average on highway I travelled 20 times. It used to be 19.8 mpg and best 20.1. I'm not seeing any fuel milage improvement with recent MPT tune 87 economy with chilled.

Maybe I should ask Mike from MPT...but wanted you to answer what kinds of mileage your experiencing. It seems the cold weather is almost over, been getting low 15s to 17.8 tops. Need a real solution here!
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Old 04-23-2013, 08:21 PM
 
 
 
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