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Engine Specific Info and Questions => IDI Engine => Topic started by: itslez on June 04, 2010, 02:35:57 pm

Title: arp main studs for girdle?
Post by: itslez on June 04, 2010, 02:35:57 pm

which arp main studs do i use on my aaz bottom end with my girdle, these have obviously got to be longer as i have to have spacers cut too to go between the caps and girdle.
 also any one know if arp do replacement big end cap bolts and are they worth using or should i just go with oem
cheers

Title: Re: arp main studs for girdle?
Post by: itslez on June 06, 2010, 03:53:35 am

anyone?  ???

Title: Re: arp main studs for girdle?
Post by: regcheeseman on June 07, 2010, 09:30:55 am

I'm going to go to local fastener specialist and order some high tensile bolts to suit.

I've got the cad file sorted today - with a oil pump web and dipstick hole.

Just getting a quote for the plate....and then do a group buy if you are interested?

Title: Re: arp main studs for girdle?
Post by: rallydiesel on June 07, 2010, 01:43:44 pm

I haven't installed a girdle yet but ARP is good about finding you studs that will work. Just send them the thread pitch, diameter and length of the studs you will need and they will get you a part number that will work.

Title: Re: arp main studs for girdle?
Post by: rodpaslow on June 07, 2010, 01:53:13 pm

I'd go for one, but I ended up buying one on ebay with arp fasteners, i didn't figure it was that bad of a price as arp was included.  However a flat plate won't work unless you use an awfully large spacer or machine the steps out you need for the main caps.  I couldn't figure out how to make it fit without a lot of work and I couldn't waste the time to have it changed.

Title: Re: arp main studs for girdle?
Post by: theman53 on June 07, 2010, 06:37:57 pm

ARP part #s
                                                                     
Head Studs..........................251-4701                   
Main Studs...........................204-5402                     
Con Rod bolts 1.6 and 1.7......104-6002                   
Trans ring gear bolt kit 020 ...204-3001                     
Oil pump bolts.......................661-1014                     

The big end on the con rod in my package said for all 8v watercooled VW...

There is a new Head stud # but don't know off hand.

The trans ring gear will have different bolts depending on which year...but they are all similar 3001  3002  3003 if I remember right.

I think the mains should be the same as well. Good luck.

Title: Re: arp main studs for girdle?
Post by: itslez on June 08, 2010, 12:10:40 pm

these are good for the 1.9 td aaz engine?

Title: Re: arp main studs for girdle?
Post by: theman53 on June 08, 2010, 08:27:42 pm

Quote

The big end on the con rod in my package said for all 8v watercooled VW.

The rest work as long as you match it up:D

Title: Re: arp main studs for girdle?
Post by: regcheeseman on June 11, 2010, 08:41:42 am

Are those standard length fitments?

We need extra long bolts for the mains as they have to accomodate the spacer blocks and the girdle thickness

Title: Re: arp main studs for girdle?
Post by: MJF on June 11, 2010, 09:02:36 am

Also later AAZ have longer bolts (80mm) than earlier&1,6 (65mm) from factory, these go deeper to block. I emailed ARP when I made the first girdle, they had correct studs. But they wont´ship overseas, so I had to forget it that time. I used 12.9 bolts, stock are 10.9.