How deep do I drill into flat-top knuckle????

[Big Blue J-10]

I need to know how far I am susposed to drill into the Knuckle to mount the studs for the stering arm???All the way through or what???
helppppppppp!!!!!!!!! :( :confused: :(
Adam

[ February 23, 2003, 09:32 PM: Message edited by: Big Blue J-10 ]

[Big Blue J-10]

Some one HELP!!!

[Damage, Inc.]

I think most here have it done at a machine shop..but I could be wrong!!

[Big Blue J-10]

It cant be hard to acutuly do can it??From the way I see it you just drill it to the proper size,tap and insert studs right???I just dont know if I am susposed to drill all the way through or what????????

[oldyellowwagoneer]

I drilled all the way through, with no problems.
Dennis

[Elliott]

You probably have to drill all the way through to be able to run the tap through all the way, unless you have a special tap (like I would know nothing about).
Sounds like a plan though since I have a set of flat top knuckles and they want $150 to swap for drilled ones.
Is it neccessary to mill the top, or just grind it clean and flat?
Thanks for the inspiration!

[ February 23, 2003, 09:43 AM: Message edited by: Elliott ]

[nxcj]

Drill and tap all the way through. It's necessary to mill the top flat to ensure a proper fit of the arm to the knuckle. It will work without milling, but there is a higher probability of it not staying tight due to the uneven surface.

[Damage, Inc.]

This is dangerous folks. You're talking about a MAJOR part of your steering. Screw it up, even slightly and you could end up dead.

Just be careful!!

[nxcj]

Yeah, it's dangerous that's why everyone should make sure they can perform the work properly and if not, have someone do it for ya.
As far as the design, the R&D has been done by the auto makers; just don't skimp on the hardware and you'll be fine....

[Big Blue J-10]

Hey scoutgrl,your the one that did the stuff for the SOA your self didn't you??I went to a web site awile back and I think it might have been yours.It said the person used a drill press to drill it taped it,used one inch peice of steel to fab up the arm.If it was you or you know of the person I'm thinking of talk to me.
Adam

[Stolen76]

Drill it all the way out. Maximum bolt holding strength (as far as depth of the hole goes) is achieved at 1.25 x bolt size.

1/2" bolt x 1.25 = 5/8" depth. My dad is an old machinist and he's been using that rule for years without a failure.

Add some red loc-tite and tap it for fine thread, it will never come out !

[Big Blue J-10]

Hey thanks Stolen76.your info is greatly apreciated!!
Adam

[oldyellowwagoneer]

Originally posted by Big Blue J-10:
Hey scoutgrl,your the one that did the stuff for the SOA your self didn't you??I went to a web site awile back and I think it might have been yours.It said the person used a drill press to drill it taped it,used one inch peice of steel to fab up the arm.If it was you or you know of the person I'm thinking of talk to me.
AdamYep, it was me. Dennis

[Big Blue J-10]

Ok i have another stupid question????the studs that go into the knuckle are 9/16,do I drill the hole at 9/16 then tap or should the hole be smaller than the stud to compensate for when the treads are added?Every body that I have talked to around this neck of the woods are giving mixed signals. Help!!!!!
Adam :confused:

[ February 23, 2003, 09:30 PM: Message edited by: Big Blue J-10 ]

[nxcj]

Yes the bit size will be smaller than 9/16. I can't quote the size though. Some taps actually have the drill size printed on them...otherwise ask a machinist or a few more people around here.