Question about 1986 Ford F150 SuperCab

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1986 Ford F 150

What are the specs. for adjusting the valves on a 1986 Ford 300 cu.?

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  • Harley May 11, 2010

    Since you posted this on Nov.07, and the specs. list is rather lengthy, let me know if someone hasn't already helped you with this, and if not I will.



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  • 18 Answers

I can send you the specs if you still need them, but I'll need an email address. Let me know

Posted on Nov 16, 2008


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Procedure of tappet adjustment

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I need the firing order for a ford f150

1986 Ford F 150 2WD/4WD Pickup 4.9 liter L6 VIN "Y"


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Hope help with this, and, remember comment and rated this post. Good luck.

Mar 10, 2010 | 1986 Ford F150 SuperCab

1 Answer

Where do I find a diagram for a 1984 f150 300 6 cylinder 1 barrel carburator vaccum lines ?

I dont have a big image, sorry...

FIG : Vacuum schematic-1984 300 cu. in. engine


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I just adjusted the valves on a 300 -6cyl. ford. As the compression is now good I hear now a distinct tapping noise. How can I fix this? Thanks.

It sounds like either you have missed 1 tappet and its looser than the others OR you have done 1 up to tight and its hitting the piston . but you can tell the differance between the two the loose tappet is a tick tick and a valve on the piston in a differant sound as its a metal valve hitting a alloy piston ,,so repair it now dont leave it..

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Well i am putting my oil pan back on my 1986 300 straight 6 ford 150 and i cant remember where these certain bolt nuts go. I have twelve of them, they should be close to or around the oil pan, they dont go...

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Sep 22, 2009 | 1986 Ford F150 SuperCab

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