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A- head engine builders

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David Cole
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Post  bbf-falcon October 10th 2009, 2:27 pm

On my TFS A heads, the stud bolts/nuts that lay next to the Valve spring are too close to get a socket on them squarely and the socket has to be cocked sideways to torque.I had to grind the top side of the socket down to get it on the nut enough to get enough grip, and still it rubs the top of the spring.The torque can't be true w/socket rubbing the spring. What do you guy's that do this professionally do?

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Post  Nevs October 10th 2009, 5:02 pm

Rick,are you using the 12 point nuts?
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Post  Lem Evans October 10th 2009, 6:16 pm

About all you can do is get the thinnest socket you can and rub the chrome off of it to keep the flakes out of the engine .

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Post  bbf-falcon October 10th 2009, 6:25 pm

Nevs wrote:Rick,are you using the 12 point nuts?
Nev's,Yes they are 12 point.
Lem, Thats what I did, It is still real hard to get enough grip on the nut to get a good grip to torque.

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Post  Lem Evans October 10th 2009, 6:31 pm

"get enough grip on the nut"

Gotta be a nut hugger cyclops

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Post  Nevs October 10th 2009, 6:43 pm

bbf-falcon wrote:
Nevs wrote:Rick,are you using the 12 point nuts?
Nev's,Yes they are 12 point.
Lem, Thats what I did, It is still real hard to get enough grip on the nut to get a good grip to torque.

That's about all you can do, we took a 12 point socket and ground it down as far as we could. It works, but you're right, it is tight.
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Post  QtrWarrior October 10th 2009, 8:39 pm

Rick,
What I did was make an "offset" extention out of a box end wrench and and extra 1/2 drive socket.
I cut a slot in the socket for the handle area of the wrench to fit in. I then had it welded to make it one piece.
I then refigured the required torque for the nuts, with the added lenght of the extention.
Box end slides past the valve spring...works like a charm...

Hope it helps..
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Post  schmitty October 10th 2009, 9:00 pm

Lem Evans wrote:"get enough grip on the nut"
Gotta be a nut hugger cyclops
Hope he doesn't "overtorque" it. Shocked
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Post  bbf-falcon October 10th 2009, 9:06 pm

Laughing Laughing Laughing Ya know, us guy's on this site being the "NUThuggers that we are accused of being,you would think we would have a "GRIP" on things like a "NUT" Rolling Eyes Laughing Laughing Laughing

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Post  Nevs October 10th 2009, 9:08 pm

bbf-falcon wrote:Laughing Laughing Laughing Ya know, us guy's on this site being the "NUThuggers that we are accused of being,you would think we would have a "GRIP" on things like a "NUT" Rolling Eyes Laughing Laughing Laughing

Can I get an amen? Exclamation Wink Laughing
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Post  David Cole October 11th 2009, 12:27 am

I used a 3/8" drive socket, short extension and then an adapter from 3/8 to my 1/2" torque wrench. The 3/8" drive socket is shorter and thinner.
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Post  bbf-falcon October 11th 2009, 8:10 am

I was wondering about that,and I was thinking the adapter might throw the torque value off. Kinda like a swivel Idea

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Post  David Cole October 11th 2009, 9:48 am

bbf-falcon wrote:I was wondering about that,and I was thinking the adapter might throw the torque value off. Kinda like a swivel Idea

As long as you are in a straight line with the nut, socket, adapter and extension all in a straight line that's 90° to the torque wrench it won't be off.
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Post  ThndrChkn October 11th 2009, 10:36 am

Thanks for the tip guys, as I may be Uhhh, nevermind... Suspect Suspect









Doug... Cool
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Post  bbf-falcon October 11th 2009, 3:07 pm

Yea, These A heads aren't that much different than the OEM as far as working on them,but there are a few things I have learned that is also a little different. Another thing I noticed on these heads is, I kept noticing little pieces of rubber under my valve covers laying in the head. After close inspection I could see the Large valve springs that lay close to the bottom of the head were clipping the VC gasket when the valve would open and penching little pieces of rubber off.

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Post  bbf-falcon October 11th 2009, 3:09 pm

1bad521 wrote:Thanks for the tip guys, as I may be Uhhh, nevermind... Suspect Suspect









Doug... Cool
AUT OH,
Doug Is wanting to go Faster Shocked Cool

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Post  Mark Miller October 11th 2009, 11:53 pm

Rick,

I knew right away you were going to talk about the valve cover gasket.I noticed that right away on my cousins 557 A-460 Headed motor,we trimmed the VC Gasket so the valve springs wouldn't have a snack.

Later Mark. Laughing

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Post  BOSS 429 October 12th 2009, 4:55 pm

turn the socket down on a lathe
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Post  bbf-falcon October 12th 2009, 6:11 pm

Turned mine down on a bench grinder,seems to do OK. Very Happy Shocked

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Post  CP598 October 13th 2009, 9:53 pm

I took the spring off on the ones that were close. Only 4 if I remember correctly.
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