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Poll: Which head studs do you use (or would you use)?
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Which head studs do you use (or would you use)?

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which head studs?

There are tons of threads and debates about which head studs to use... seeing as I'm doing my rebuild now, I figured I'd post a poll for everyone to give their .02 cents on what they like best. (I may have missed some manufacturers..)
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Old 01-08-2010, 12:54 PM
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By 993 steel style, I hope you mean the 993 TT Head Studs, yes?
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Old 01-08-2010, 02:30 PM
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Quote:
By 993 steel style, I hope you mean the 993 TT Head Studs, yes?
I wasn't aware there was a difference. weren't they Dilivar studs on the 993tt?
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Old 01-08-2010, 02:32 PM
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They have different part numbers, the 993TT studs are the "reformulated" Dilivar. The NA 3.6 993, not sure what they are.

993 3.6l NA (M64.23, M64.24) - 993.101.172.02
993 3.6l TT (M64.60) --------- 993.101.170.51
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Dave
'85 930 Factory Special Wishes Flachbau
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Old 01-08-2010, 03:40 PM
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I went with Supertecs because I had a Raceware stud break.Motor was built back in '95.
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Old 01-08-2010, 05:26 PM
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Quote:
Originally Posted by Turboo934 View Post
I went with Supertecs because I had a Raceware stud break.Motor was built back in '95.
Wow - that's extremely rare on these motors. I don't use either of the above, but most high quality aftermarket studs are nearly bullet proof if installed correctly (torque, conditioned, lubed, etc) in our aluminum or mag cases. Notice I said aftermarket as I would never use OEM studs.
Old 01-08-2010, 05:33 PM
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I perfer the Supertec studs over any of the others. More thread engagement into the case and a nice fine thread for the head nut. The head nuts are nice as they provide clearance for the spark plug socket in twin plug applications.
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Old 01-08-2010, 06:59 PM
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I used ARP and was very happy! Also used there rod bolts.

Good luck with your build! I had a great time doing mine!
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Old 01-09-2010, 08:43 AM
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Anyone used Walts head studs from competitive engineering?

Old 01-10-2010, 12:57 PM
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Quote:
Originally Posted by TURBO TALES View Post
I used ARP and was very happy! Also used there rod bolts.

Good luck with your build! I had a great time doing mine!
+1

The fit between head studs and nuts on the arp is perfect and the close fit tolerences are about as fine/accurate as you will get!....They nearly seem too good to install when you first lay your eyes on them
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Old 01-10-2010, 01:09 PM
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Quote:
Originally Posted by stup View Post
+1

The fit between head studs and nuts on the arp is perfect and the close fit tolerences are about as fine/accurate as you will get!....They nearly seem too good to install when you first lay your eyes on them
+1 for another ARP user, same results as stated here. High quality product, for sure.
Old 01-10-2010, 02:06 PM
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+1 for arps- awsome quality.
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Old 01-10-2010, 02:51 PM
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"Reformulated Dilavar"; that's like saying reformulated water. Dilavar is Dilavar and does not like corrosion. I know because I used them and they broke! Period.

Supertec.

Lindy
Old 02-08-2010, 06:35 AM
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Quote:
Originally Posted by lindy 911 View Post
"Reformulated Dilavar"; that's like saying reformulated water. Dilavar is Dilavar and does not like corrosion. I know because I used them and they broke! Period.

Supertec.

Lindy
Great!! Now we have two threads on this subject; one raised up from the dead(The other Dilivar thread) and the most current round of pi$$ing contests!

Lindy,
If you want to blame your poor choice of head studs on everyone else, go ahead. You went the cheap route and picked the early dilivars and got burned for it. Every soul on the planet would have told you not to do it if you had asked, but you went ahead anyway.
Now you get cute by saying reformulated dilivar is like saying reformulated water. The dictionary defines "reformulate" as; reformulate (formulate or develop again, of an improved theory or hypothesis). Just what part of the argument don't you get? Just look at the two different studs and tell me, please tell me, they are the same. "Dilivar is dilivar" is like saying Lindy is Henry.

Use any of the studs mentioned, ARP, Raceware, Supertec, Porsche 993TT. But please don't raise this lame argument that the TT studs are inferior and can't be trusted. There are far more of them in use than the other three combined.
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'85 930 Factory Special Wishes Flachbau
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Last edited by WERK I; 02-08-2010 at 08:11 AM..
Old 02-08-2010, 07:59 AM
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I have the 993TT studs in my turbo, and Raceware in the N/A 2.7 engine. I could be wrong, but I think the 993TT studs are getting pricey; they were still reasonable a few years ago when I got mine.
Pat
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Old 02-08-2010, 11:39 AM
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Competition Engineering

I have Walt's head studs on my car and couldn't be happier. I actually visited him at the shop when he rebuilt my cylinder heads. Great guy and stands behind his products not to mention they are less expensive.

I would go that route again any day.

Bryan
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Old 02-08-2010, 03:37 PM
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I've heard the newer 993tt studs are fully threaded, those are the ones i have in mine, i'm told they are top notch! Otherwise i'd have fitted something else! I have ARP rod bolts in the arrow rods though
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Old 02-08-2010, 03:41 PM
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