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+--- Thread: Group Buy | ARP Head Studs for XUD *Order going in this Friday 8th Nov (/showthread.php?tid=14926)
RE: Group Buy | ARP Head Studs for XUD - zx_volcane - 02-10-2013
(02-10-2013, 08:34 AM)martyn92 Wrote: Also tempted. These can obviously be used more than once? And how do you fit these compared to standard?
Yes you can re-use the headbolts
They fit the same as normal headstuds, but you wind the studs into the block first, drop the head on, then put orignal spacers, arp washers and nuts on the studs to torque it down.
(02-10-2013, 10:56 AM)jammapic Wrote: If they are the same, count me in...
JP
Someone must have a hdi headbolt lying around?
RE: Group Buy | ARP Head Studs for XUD - ConorTRG - 02-10-2013
I think ive a hdi studs somewere but im not sure, what lenght/thread are the xud ones, and I'll see if I have.
RE: Group Buy | ARP Head Studs for XUD - Tom - 02-10-2013
(02-10-2013, 01:09 PM)ConorTRG Wrote: I think ive a hdi studs somewere but im not sure, what lenght/thread are the xud ones, and I'll see if I have.
Dude its all on the first page, 145-148mm m12x1.25
RE: Group Buy | ARP Head Studs for XUD - zx_volcane - 02-10-2013
yes 147-150mm for xud bolts according to haynes
RE: Group Buy | ARP Head Studs for XUD - HDIkyle - 05-10-2013
Is it possible to fit these without taking the head off. While its in the car timed up if replaced one at a time?
RE: Group Buy | ARP Head Studs for XUD - zx_volcane - 05-10-2013
(05-10-2013, 05:13 PM)HDIkyle Wrote: Is it possible to fit these without taking the head off. While its in the car timed up if replaced one at a time?
Thats how I did mine, and how the boys in america do it. I did a search of google before I did it and seems legit
RE: Group Buy | ARP Head Studs for XUD - darrenjlobb - 05-10-2013
Yeah perfectly fine to do that
RE: Group Buy | ARP Head Studs for XUD - Poodle - 05-10-2013
Just whipped one off, i make that 145mm:
Head is E14, and not sure how bolt size is measured, but this is 10mm diameter. Thread is 1.25.
If that's all the same i'll have a set too.
RE: Group Buy | ARP Head Studs for XUD - zx_volcane - 05-10-2013
can you measure from under the washer to tip?
this is the diagram for xud from haynes
![[Image: DSC_3804_zpsf16841ec.jpg]](http://img.photobucket.com/albums/v363/toastmonster/DSC_3804_zpsf16841ec.jpg)
RE: Group Buy | ARP Head Studs for XUD - Poodle - 05-10-2013
~128mm...
RE: Group Buy | ARP Head Studs for XUD - zx_volcane - 05-10-2013
I can whip a nut off mine tomorrow and measure how much thread is on the top of the stud
You'll need another 30mm is sticking out the top, will this foul anything?
RE: Group Buy | ARP Head Studs for XUD - Poodle - 05-10-2013
Not front side, couldnt say about the back as one engines in the car and the other doesmt have anything on the block... Cant see 30mm being a problem though.
Will see if I cn put the spare engine together a bit tomoz and make sure.
RE: Group Buy | ARP Head Studs for XUD - Poodle - 06-10-2013
Head's back on and there seems to be tons of spare clearance. BUT, having rechecked my blurry-eyed measurements from last night, i'm going to say the thread is x1.5mm... Tried to match it to a wheel bolt and it won't sit right...
RE: Group Buy | ARP Head Studs for XUD - zx_volcane - 06-10-2013
xud is m12 x 1.5
RE: Group Buy | ARP Head Studs for XUD - Poodle - 06-10-2013
That's alright then, sorry was going on what Dan and Tom have said, it's the only info i could find at short notice.
Definitely put me down for a set then!
RE: Group Buy | ARP Head Studs for XUD - zx_volcane - 06-10-2013
Can we get a list going again please?
If you guys like can leave it another 4 weeks if it helps
RE: Group Buy | ARP Head Studs for XUD - londondan86 - 06-10-2013
Ooo! Do we have 4?
1. Londondan86
2.
RE: Group Buy | ARP Head Studs for XUD - ally406 - 06-10-2013
Please don't tell anyone I spent £200 on some bolts.
1. Londondan86
2. Ally406
RE: Group Buy | ARP Head Studs for XUD - jammapic - 07-10-2013
So we reckon they will fit a hdi then? Count me in....
RE: Group Buy | ARP Head Studs for XUD - zx_volcane - 07-10-2013
I still need to check thread length, will sort that out this morning
RE: Group Buy | ARP Head Studs for XUD - zx_volcane - 07-10-2013
Looks like they'll need spacers for hdi I'm afraid
There is hardly any spare thread on top of the stud - after nut and washer we've got something like 8mm left.
By my calculations based on thread length of hdi bolt being 128mm you'd need spacer of about 18-20mm to make them work
Group Buy | ARP Head Studs for XUD - Frosty - 07-10-2013
Did you get my PM?
Group Buy | ARP Head Studs for XUD - Frosty - 07-10-2013
1. Londondan86
2. Ally406
3. Frosty
RE: Group Buy | ARP Head Studs for XUD - Poodle - 07-10-2013
I'm pretty sure the hdi bolts are m10 too, whereas these are m12, couldn't find my calipers to confirm though. Its looking a bit doubtful tbh, thanks though.
RE: Group Buy | ARP Head Studs for XUD - jammapic - 07-10-2013
Bugger.
RE: Group Buy | ARP Head Studs for XUD - Poodle - 07-10-2013
JP please do shout if you end up doing something similar for the hdi ones.
RE: Group Buy | ARP Head Studs for XUD - zx_volcane - 07-10-2013
Surely hdi same bolt thread no? M10 seems to skinny
Surely hdi same bolt thread no? M10 seems to skinny
RE: Group Buy | ARP Head Studs for XUD - jammapic - 07-10-2013
(07-10-2013, 03:09 PM)Poodle Wrote: JP please do shout if you end up doing something similar for the hdi ones.
How many people do you think we can get onboard? I can probably get a good price and order like 10 sets and sell them on the No Smoke No Poke shop for you all....
JP
RE: Group Buy | ARP Head Studs for XUD - Poodle - 07-10-2013
I suspect there'll be a few interested in the next six months or so, but then again how often do people follow through with projects... I can think of two people that would almost certainly be interested, but i'll leave them to chime in for themselves.
RE: Group Buy | ARP Head Studs for XUD - jammapic - 07-10-2013
OK... let's see if we can easily make these XUD ones fit a HDi. If not, I'll look to order a few sets...