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#15
by
jackbombay
on 19 Jun, 2006 09:50
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D'oh, I read the previouos posts too fast and confused the 2 :oops:
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#16
by
Audi80
on 25 Aug, 2006 05:53
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Will these ARP studs need retorque after ~1000km, like stock bolts need.
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#17
by
935racer
on 26 Aug, 2006 14:36
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No I don't re torque them after 1000miles, nor do I retorque the stock ones after 1000miles, seems to eliminate early HG failures.
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#18
by
jtanguay
on 26 Aug, 2006 18:31
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Yeah I have switched to ARP hardware over raceware. I use the ford cosworth headstuds for the 1.6 and 1.9 idi engines as well as the tdi's. I use their mains and rod bolts as well. The thing I really like about the arps the most (besides better availability and cheaper price) is that they have a 5mm hex head on them so you can spin them in or out really easy.
Do you have any part #'s for 1.6 head studs from ARP? Considering about switching to them to eliminate possible HG failures from stretch bolts.
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#19
by
935racer
on 26 Aug, 2006 19:44
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204-5402, unless your head is completely straight or you are running over 35psi I wouldnt really bother, not a bad idea, but with a straight head and block deck, and new stretch bolts its pretty hard to blow a gasket.
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#20
by
Audi80
on 27 Aug, 2006 03:21
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204-5402, unless your head is completely straight or you are running over 35psi I wouldnt really bother, not a bad idea, but with a straight head and block deck, and new stretch bolts its pretty hard to blow a gasket.
204-5402 are main studs. I used 251-4701 for head studs.
No I don't re torque them after 1000miles, nor do I retorque the stock ones after 1000miles, seems to eliminate early HG failures.
I retorqued after ~800km and hg lasted 15 minutes after that :shock: A couple of runs at 30psi with cheapo hg :roll: Well, itīs time to change to aaz metal gasket...
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#21
by
935racer
on 27 Aug, 2006 13:41
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204-5402, unless your head is completely straight or you are running over 35psi I wouldnt really bother, not a bad idea, but with a straight head and block deck, and new stretch bolts its pretty hard to blow a gasket.
204-5402 are main studs. I used 251-4701 for head studs.
No I don't re torque them after 1000miles, nor do I retorque the stock ones after 1000miles, seems to eliminate early HG failures.
I retorqued after ~800km and hg lasted 15 minutes after that :shock: A couple of runs at 30psi with cheapo hg :roll: Well, itīs time to change to aaz metal gasket...
Yes you are right, 204-5402 are mainstuds, and the 251-4701 are the headstuds, I just looked at an old box here and thought it was a headstud box not a mainstud box :oops:
Don't retorque your head after its running, seems to shift the gasket around and sometimes cause failures. Too bad its the factory spec, I've had to fix a lot of headgasket jobs where the owner put it all back together than soon after the re torque they blow a gasket.
1.9 metal HG never hurt
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#22
by
fatmobile
on 28 Aug, 2006 01:20
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Anyone got part numbers for ARP rod bolts... for the 1.6TD?
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#23
by
Audi80
on 28 Aug, 2006 10:21
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1.9 metal HG never hurt
Got it running with metal gasket. Seems to work with mech head too
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#24
by
fatmobile
on 22 Sep, 2006 14:09
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Anyone got part numbers for ARP rod bolts... for the 1.6TD?
I called ARP and they had no idea. They want the length, thread size and under head length.
Thanks for the head stud and main stud numbers.
One more number and they'll all be listed in this post, for the next person who is searching.
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#25
by
Audi80
on 13 Dec, 2006 17:10
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How long are main studs? I need a little longer studs than stock, but I canīt find any measurements :? Studs should be ~100-110mm long.
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#26
by
subsonic
on 01 Mar, 2007 19:11
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So,
we have the ARP numbers for the:
Headstuds-------251-4701
Main studs------ 204-5402
Con Rod bolts---???-???
Has anyone determined what the con rod bolt numbers are yet?
Jim
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#27
by
stewardc
on 03 Mar, 2007 15:53
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Are the 1.6 and the AAZ the same?
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#28
by
SMOKEYDUB
on 03 Mar, 2007 16:09
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I am very interested in upgrading my arp 12mm stud kit to a 13 mm kit. I just want some extra clamping force. Anyone know of a vehicle or part number that would use 13mm headstuds that would fit our blocks? I know i have to drill out and tap the block for the 13mm setup ( when i say I, I mean the shop).
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#29
by
SMOKEYDUB
on 03 Mar, 2007 16:13
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is anyone going to finally sticky this thread?