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EFV-8 Club Forum / General Ford Discussion / no power up hills

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Discussion Topic: no power up hills -- page: 1 2 3

TomO

08-01-2016 @ 8:13 AM

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Do you have stock heads on the engine? The threads of those plugs seem to be extending too far into the combustion chamber.

Tom

07-29-2016 @ 3:59 PM

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x 2 - what 40cpe said above!....

40cpe

07-29-2016 @ 7:49 AM

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I hope you will report back here on what was the cause and the cure.

40headaches

07-29-2016 @ 6:10 AM

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Thanks for the correction. Yes plugs hit valves. The motor is covered by the machine shop for 15 months. We spoke and they are taking responsibility for it. I do not want to tear apart the motor. The car is not newly painted but it looks good the way it is now. I just did not want it to get damaged. The plugs were all fine prior to. Those same valves show oil on them were as the rest are a dry light rust color. All but the pistons and push rods are new inside. That's what I remember what I was told.

07-28-2016 @ 6:27 PM

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Is everything 'stock' in your engine - heads, cam, lifters, valves etc.? Are your lifters the Johnson adjustable type? If so, it would seem reasonable to assume that they were not adjusted or not adjusted correctly and the results of this would be consistent with the symptoms you describe....

This message was edited by MG on 7-28-16 @ 10:02 PM

40cpe

07-28-2016 @ 5:34 PM

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There is a reason the valves hit the plugs and it needs to be found. Are they the correct tip length? Do the exhaust valves appear to close while looking through the plug opening? I would look a lot harder for the cause. Maybe the problem can be corrected without exposing the new paint to the repair shop.

40 Coupe

07-28-2016 @ 5:18 PM

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I believe MG is correct the plugs on the 1940 A head are not above the pistons. They are above part of the exhaust valve. Try to measure how high the exhaust valve rises toward the plug, compare to cylinders without the problem. Or re-gap and install the plugs and turn the engine over by hand to see if the valve is actually hitting the plug, don't force, but if there is resistance pull the plug and make sure resistance disappears. problems could be valve adjustment, valve guide keepers, could have a bent valve. You should be able to see the valve open and close through the plug holes. Maybe the plugs were messed up when you installed them??

This message was edited by 40 Coupe on 7-28-16 @ 5:32 PM

07-28-2016 @ 2:58 PM

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You said: "I have two pistons that hit the plugs." I don't understand how this could happen given the location of the plugs in a Flathead....

Click on link below for cutaway picture of Flathead V8....

http://www.earlyfordv8.se/wp-content/uploads/2013/03/Ford-V8-221-CID-1932.jpg

BTW - I really like your '40

This message was edited by MG on 7-28-16 @ 3:27 PM

40headaches

07-28-2016 @ 1:12 PM

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excuse my lousy photos. It shows one good plug. The center plug has ground kissing electrode. The last plug shows the ground smashed into the electrode both are flat w/ the threads. I have two pistons that hit the plugs. Both have oil on them seen thru plug hole. I'm relieved that its something that I did not do. Frustrated because of what I need to do to get the car over there, impatient because of the time frame I am trying to hit. At least now they will need to give me a car that runs w/ out me having to time, tune it etc. That's what I plan on telling them. I will own a vacuum tester in a few days. And I will study the book to fully understand what can be done w/ it. I simply do not know these things. But I will.
SO! Now I am thinking of wrapping my car w/ some good soft foam I use on my lacquered cabinets. If my car gets scratched sitting in his shop, it will not be a good day. So I plan on taking a video after I clean the car, then wrapping it, blue tape did not pull off the finish, then get this curvy lady to the shop. Unless any of you have better ideas, preventing a scratch is better to me than expecting the shop to take care of it.

07-28-2016 @ 12:28 PM

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Why would the car have to go back to the "engine rebuild shop" because of sooty plugs???....

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