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ARP Rod Bolts Group buy?
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kondzi  



Joined: 02 Jul 2018
Posts: 107
Location: MZ/Poland/EU

PostPosted: Thu Dec 05, 2019 8:07 am    Post subject: Reply with quote

Goldwolf wrote:
I am glad Porsche is making the bolts, that's awesome news for the 924!

I'll believe it when smn orders and confirms good received
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Konrad
'89 951 US
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BTRacing  



Joined: 31 May 2014
Posts: 171
Location: Nortbrook,IL

PostPosted: Thu Dec 05, 2019 1:43 pm    Post subject: Reply with quote

I have a set from Dan for my GTR build. I am in for another one.
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safe  



Joined: 18 Mar 2017
Posts: 171
Location: Sweden

PostPosted: Thu Dec 05, 2019 5:27 pm    Post subject: Reply with quote

Carrera RSR wrote:
Euro924S2 wrote:
Yes Steve! Didn’t know if you’d publicly shared your bad experience with that rebuild so left it anonymous!


Thankfully not my build. I bought it allegedly rebuilt to spec and less than a few thousand miles on it. Spun a bearing. No idea if it was the rod, the bearing or bolt. Either way it blew cash out my wallet. Still have that block stashed.


Spun bearings are usually an oiling issue or clearance issue. Maybe the rod big ends weren't resized. Bad bearings, being out off spec when new, has been an issue with 911 bearings Glyco and OEM.
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Fifty50Plus  



Joined: 28 Feb 2008
Posts: 1102
Location: Washington DC area

PostPosted: Fri Dec 06, 2019 5:46 am    Post subject: Reply with quote

safe wrote:

Spun bearings are usually an oiling issue or clearance issue. Maybe the rod big ends weren't resized. Bad bearings, being out off spec when new, has been an issue with 911 bearings Glyco and OEM.


When Glyco was bought by Federal Mogul, they changed the rod bearing material. The new ones wouldn't take the RPMs and failed with regularity. For racing, we now get them coated. On the 356 and 912s, Federal Mogul changed the aluminum alloy main bearings to steel. Again a major mistake.
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1972 911 E race car - going to Vintage
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MikeJinCO  



Joined: 08 Jun 2010
Posts: 926
Location: Maysville, Colorado

PostPosted: Sat Dec 07, 2019 12:42 am    Post subject: Reply with quote

I contacted ARP yesterday. There a couple of issues to get past, but I think we can get them worked out. Patience will be required. I have also contacted EBS and Mittlemeier(?). At this point we appear to be at about 13 with no input from the Aussies or UK.
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Poco a Poco, #033 '78 Vintage racer, SCCA Dp-81
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Goldwolf  



Joined: 25 Jun 2017
Posts: 223
Location: Athens,GA

PostPosted: Sat Dec 07, 2019 3:33 am    Post subject: Reply with quote

Hey Mike,

If you want, I have a "group buy" setup on my website for this type of stuff.

Don't want to make it more complicated, so just let me know if you want to use it. You can see it here.

https://savethe924.com/product/arp-rod-bolts

Everything is just a placeholder, so don't buy anything anyone!
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Carrera RSR  



Joined: 08 Jan 2010
Posts: 2004
Location: Somerset, UK

PostPosted: Sun Dec 08, 2019 12:30 am    Post subject: Reply with quote

kondzi wrote:
Goldwolf wrote:
I am glad Porsche is making the bolts, that's awesome news for the 924!

I'll believe it when smn orders and confirms good received


Ordered. Due next week. Not me but someone currently rebuilding a turbo motor in UK
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1980 931 - forged pistons, Piper cam, K27/26 3257 6.10 hybrid turbo, 951 FMIC, custom intake, Mittelmotor dizzy & cam pulley, H&S exhaust, GAZ Gold, Fuch'ed, Quaife
Now www.924board.org/viewtopic.php?t=34690
Then www.924board.org/viewtopic.php?t=31252
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MikeJinCO  



Joined: 08 Jun 2010
Posts: 926
Location: Maysville, Colorado

PostPosted: Sun Dec 08, 2019 4:38 am    Post subject: Reply with quote

I'll call Sunset Porsche and get a price and availability on Monday. If they are available it will probably make our effort impossible to meet the I believe minimum of 10 sets.
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Poco a Poco, #033 '78 Vintage racer, SCCA Dp-81
'77 924
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Fasteddie313  



Joined: 29 Sep 2013
Posts: 2036
Location: MI

PostPosted: Sun Dec 08, 2019 7:36 am    Post subject: Reply with quote

Carrera RSR wrote:
Circa $25 each and circa $10 for the nut. No need to rely on ARP special buys unless they are superior to OEM and you need the extra protection?


8(25+10) Ouch!!

ARP might even be cheaper?
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Carrera RSR  



Joined: 08 Jan 2010
Posts: 2004
Location: Somerset, UK

PostPosted: Sun Dec 08, 2019 9:18 am    Post subject: Reply with quote

Fasteddie313 wrote:
Carrera RSR wrote:
Circa $25 each and circa $10 for the nut. No need to rely on ARP special buys unless they are superior to OEM and you need the extra protection?


8(25+10) Ouch!!

ARP might even be cheaper?


Doubt it
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1980 931 - forged pistons, Piper cam, K27/26 3257 6.10 hybrid turbo, 951 FMIC, custom intake, Mittelmotor dizzy & cam pulley, H&S exhaust, GAZ Gold, Fuch'ed, Quaife
Now www.924board.org/viewtopic.php?t=34690
Then www.924board.org/viewtopic.php?t=31252
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MikeJinCO  



Joined: 08 Jun 2010
Posts: 926
Location: Maysville, Colorado

PostPosted: Tue Dec 10, 2019 12:04 pm    Post subject: Reply with quote

Called Sunset Porsche near Portland OR and bolts and nuts are available in Germany. Bolts $23.66 and nuts $8.81 or about $260 per set. Standard shipping from Germany is 4 to 5 weeks. I asked if they were the standard one time use or upgraded and he said more than likely the one time use. They can be expedited for I believe a 20% premium. The cost of ARP was $285 for the set of 8 bolts in 2016 and a 10 pack of ARP nuts runs about $35-38 available from many suppliers. I would expect that the cost from ARP would be similar to previous.

Suggestions as where to go from here? If really want the ARP's for their mult-use capability send me a PM and we'll see what we come up with.
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Mike
Poco a Poco, #033 '78 Vintage racer, SCCA Dp-81
'77 924
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924-76  



Joined: 05 Jun 2006
Posts: 1413
Location: Ontario, Canada

PostPosted: Thu Dec 12, 2019 3:19 am    Post subject: Reply with quote

MikeJinCO wrote:
... I would expect that the cost from ARP would be similar to previous.

Suggestions as where to go from here? ...


Based on the numbers of interest here, plus UK forum and plus potential distributor interest (like EBS), I believe you should proceed with this.

Contact ARP, get group buy pricing info, announce the group buy and pricing, gather buyer info and money and move on.
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1980 931S
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kondzi  



Joined: 02 Jul 2018
Posts: 107
Location: MZ/Poland/EU

PostPosted: Thu Dec 12, 2019 4:06 am    Post subject: Reply with quote

c.a. $320 per engine set is to much for me and others in Poland (so 3 sets less needed).
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Konrad
'89 951 US
'88 Mustang 5.0 LX Convertible (factory specs)
'84 911 Carrera 3.2 RoW (factory specs)
'81 931 RoW (TBD)
'81 Ford Capri 2.8i (factory specs)
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Raize  



Joined: 18 Sep 2013
Posts: 136
Location: Scotland

PostPosted: Thu Dec 12, 2019 5:56 am    Post subject: Reply with quote

kondzi wrote:
c.a. $320 per engine set is to much for me and others in Poland (so 3 sets less needed).


It's a third of the purchase price of a decent 924, regardless of country - your point is valid outside of Poland for sure!
Could we not use 12.9 grade fasteners for the same purpose? They have similar tensile strength.
To me, the 924 is all about creativity and resourcefulness, using the modern availability of information and technology to improve and maintain the cars.
I understand others may feel differently, but paying high prices for bespoke aftermarket parts does not fit my ethos of 924 ownership at all.
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924RACR  



Joined: 29 Jul 2001
Posts: 8334
Location: Royal Oak, MI, USA

PostPosted: Thu Dec 12, 2019 8:27 am    Post subject: Reply with quote

OTOH, when you compare them against the money wasted blowing up engines while racing due to inferior components - in that context, they pay for themselves quickly.

I'm definitely still in...
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