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> New problem, Slits? Maybe you can help with this one
skline
post Dec 18 2004, 12:24 AM
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Got the brakes all done with all new lines, no leaks. Went to put in the bolts for the ball joints and they dont fit. Aaron was here and thinks I either have the wrong ball joints or the wrong bolts. The struts must be early struts and I got the later ball joints. I can run a bolt all the way through and put a nut on it but the tapered ones will not fit. The strut itself is threaded on one side with a larger hole on the other side. Can someone tell me what I need to put in there, That is all that is left to do.
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SLITS
post Dec 18 2004, 12:31 AM
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Since Dr. 914 or Greg isn't here, it is my belief you have the early struts that have the pinch bolt and not the double taper bolt. The double taper style is not threaded on the one side, it has a thru-hole (Britney) with a nut and lock washer.

Sorry Scott, I am serious. Did your front rotors have the hub centering ring?

If you need a set of late struts, you know where they are...........
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skline
post Dec 18 2004, 12:35 AM
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Well, It's a 911 front end from a 911. I swapped out everything. The caliper spacing is 3" and I would rather have the 3.5" but then I would have to find new calipers and stuff. I guess they would be like the 914/6 as they are from a 71 911 I think. Maybe a 72.
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SLITS
post Dec 18 2004, 12:43 AM
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I have a 914/6 front strut assembly and would have to look at it tomorrow as I don't remember how the ball joint attaches. That said and it is threaded, it's got to be a pinch bolt setup and part of the bolt would prolly fit in the groove in the ball joint shaft to keep it located. I do not know the shape of the bolt on this style (meaning if it has a partially unthreaded shank and is larger diameter in that portion).

You need help from the "Dark Side" guys.
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skline
post Dec 18 2004, 12:44 AM
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Here are some pictures, maybe you can tell from them. There are 3 and one of speedy Aaron in motion.


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skline
post Dec 18 2004, 12:46 AM
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Next


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skline
post Dec 18 2004, 12:46 AM
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Hub


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skline
post Dec 18 2004, 12:47 AM
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And as promised, one of speedy Aaron moving so fast the camera cant focus him.


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SLITS
post Dec 18 2004, 12:56 AM
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Ya gotta put that mirror away and work on the car.

Scott, I really don't know the answer to your question and would have to research it. My PET6 is at my office. I would want to see if the attachment bolt has different part numbers between early and late.

From the differences between the early and late strut in the ball joint attachment area, I still say it takes a pinch bolt. I just don't know the configuration of the bolt.

Oh, does the groove in the ball joint shaft line up with the hole in the strut? It could be a single taper bolt.
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skline
post Dec 18 2004, 12:58 AM
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Well, I have PET 5 and PET 6 so I will try to look it up and see. How can I tell what year suspension it really is?
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SLITS
post Dec 18 2004, 01:00 AM
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Look up a 71 and see what the attachment bolt part number is. Then look up a 76 and see if the part number is different. I have a 78 SC front end, but it's down at the facility.

Also, there may be a part number on the strut that you can trace with PET.
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post Dec 18 2004, 01:05 AM
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Well, it has part numbers. Here is a screen cap resized of course of the 71-73


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post Dec 18 2004, 01:07 AM
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And here is the 76, it is different.


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SLITS
post Dec 18 2004, 01:08 AM
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You want to highlight #22 - that's the bolt and the -71 means "up to 1971"

The second ball joint listed translates to "double taper".
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post Dec 18 2004, 01:11 AM
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I got the ball joints from Pelican over a year ago when I first started the front end conversion. No clue which one I got. Could I try just picking up a grade 8 10X30 bolt, lock washer and nut? Is there a chance that if I am wrong the front end could come apart on me while I am driving?
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SLITS
post Dec 18 2004, 01:14 AM
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901 is early

911 is the later style

Look on the barrel of the strut and see if there is a part number stamped into it........it may be covered with paint.........I can't tell you exactly where it is, but you may have to extend the strut to uncover it (the hat covers it in the compressed position).

I think you need the pinch bolt described in the '70 screenshot. The later is the pin with lock washer and nut.

The bolt you show in your images looks as if it is drilled for a cotter key.
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SLITS
post Dec 18 2004, 01:17 AM
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Look carefully and see if the hole thru the strut is tapered and see if you can see the groove in the ball joint shaft.

I can't answer the safety question, but the bolt should clamp the ball joint shaft......I just don't know if it is tapered to provide an interference fit.
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post Dec 18 2004, 01:18 AM
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Well, the bolt in there isnt the one that is supposed to be in there. I just put it in there to hold it together till I got the right ones.
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post Dec 18 2004, 01:19 AM
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They are stamped 901 right underneath a Koni symbol.
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SLITS
post Dec 18 2004, 01:23 AM
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If they are stamped 901 there will be more numbers..... 901.XXX.XX.XX or something like that....you can use your PET to determine the year of the strut.

AND

PET describes the bolt as an M10 X 30, so it is prolly a standard bolt and not specially made - but it will be a high grade bolt.
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