[flash]

woohoo!!!! good call. given what you are doing to the car, i would definitely say you need all the threads

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[tamathumper]

Thanks for the phone call yesterday, by the way. Any speculation on why these websites are intimating that 52mm studs are somehow longer than stock, and any idea why they would think 52mm is long enough to begin with? It's just frighteningly wrong!

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[flash]

likely just another thing that is wrong in the catalogs. i find stuff like that all the time. there are a ton of "assumptions" that the 944 stuff is the same. even the rotor hats are different. that's actually what has had my new brake project on hold.

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[tamathumper]

I have a bad feeling these 60 mm studs are not going to show up. ProLabTuning.com is not a website with good reviews and there is no answer to my phone calls. They have hundreds of complaints at the BBB and many bad reviews on the web (eBay, BizRate, NexTag).



Automotion has 56 mm and 66 mm studs. With 6.5 turns of the lug nut, I get 9.75 mm of engagement, and their 56 mm studs would give me 13.75 mm. Is that close enough to 14 mm? Otherwise I'm going with the 66 mm studs and worrying about hitting the head inside the acorn nut? It may only be a quarter of a mm, but it's my wheels!



UPDATE: For future reference/edification, here are the specs for the front studs and the standard lug nuts:



Full depth of standard lug nut = 29.25 mm (also the depth of the shiny ones everyone just bought on eBay)

Depth of threads in lug nut = 18 mm (just for reference)

Exposed threads on standard stud = 21 mm



So, with standard 52 mm wheel studs and the spacer in place and these new wheels, I only get 9.75 mm of engagement/exposed thread. Using the 66 mm stud would give me 14 mm more exposed thread for a total of 23.75 mm, which is more than enough thread and still less than the 29.25 mm full depth of the acorn nut.

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[tamathumper]

As I wait for the studs to arrive (supposedly next week), I'm just posting a couple of pics for future reference, one of the studs being pressed out (yes, the Harbor Freight shop press is really cheap but man is it handy for stuff like this), and one showing how short the H&R studs are compared to the stock ones.

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[tamathumper]

My studs have come! My studs have come!



You know what I mean,...

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[flash]

roflmao

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[smshirk]

[quote name='tamathumper' timestamp='1344113485' post='130514']

I don't know if it has to do with the offset, really. It's just that when you put the wheel onto the hub, it clunks right up against the dust cap in the center, and there's no way it would fit without the spacer to give it the necessary clearance. It may just be the design of the wheel at the center.

[/quote]



The hub bore on Boxster front wheels is different. I don't recall the numbers exactly but any wheel carrying a 986 number requires the spacer in front for the 968. 996 wheels have the same bore size front and rear. I'm not sure if these wheels were ever offered on the 996. I've never seen them.

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[tamathumper]

... Aaaaaaand they're bolts. Useless to me. The picture and description on the website was for studs, and the product shipped was bolts. I called the manufacturer directly and they don't make what I need. So, it's back to the drawing board, and Automotion, who has 66mm studs.



flash, for future reference, and in reference to the recent thread on installing the lower brace, having to grind a little relief into a bracket is easy peasy. Having to wait weeks for the (wrong) parts to arrive, now that is a "train wreck".



smshirk, does that mean I'll need different center caps?

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[smshirk]

[quote name='tamathumper' timestamp='1344892984' post='131005']

... Aaaaaaand they're bolts. Useless to me. The picture and description on the website was for studs, and the product shipped was bolts. I called the manufacturer directly and they don't make what I need. So, it's back to the drawing board, and Automotion, who has 66mm studs.



flash, for future reference, and in reference to the recent thread on installing the lower brace, having to grind a little relief into a bracket is easy peasy. Having to wait weeks for the (wrong) parts to arrive, now that is a "train wreck".



smshirk, does that mean I'll need different center caps?

[/quote]





No the center caps work. It is machined differently on the front of the wheel. I have a set of CCW classics I bought that weren't machined for center caps. I didn't realize that when I bought them. I've been trying to figure out some way use them off and on for a couple of years, but I've given up. I will probably paint them body color, then paint the front of the hub so it blends.There are really nice light weight 18s.

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[tamathumper]

Thank you for the info!



Wheel studs arrive today - 66 mm ones this time. I'll redo the fitment math and also test fit them. If they seem to be too close to the end of the lug nut cap (inside there's maybe only 1mm of slack to play with there) then I'm going to consider shortening them. I have a metal-cutting bandsaw, grinders, lathe, mill etc. so I have my choice of methods.



Anybody see a problem with cutting 3 or 4 mm off them?

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[DaveN]

Cut away! The only thing you could possibly do to ruin them is to heat the ends up an insane amount while cutting or grinding thus changing the hardness or temper. IMHO

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[tamathumper]

And they're finally ON! After several MONTHS! And yes, I should have shortened the studs after all - they're too close for comfort, so I'll be taking everything *back apart* tomorrow for the spit and polish and "better safe than sorry" bit. They're wider than the stock wheels, that's for sure. Grippy and quiet, too.

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[tamathumper]

And done at last,... phew that was a long project!

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[AJG]

[quote name='tamathumper' timestamp='1344889547' post='130998']

My studs have come! My studs have come!



You know what I mean,...

[/quote]

Stand well back then!

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