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TurboKraft TurboKraft is offline
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Join Date: Mar 2005
Location: Phoenix, AZ
Posts: 2,673
Rod bolts: inexpensive insurance, why would you *not* replace them?
#1 = ARP
#2 = factory
There is no #3

I've seen cases where the rod has failed yet the ARP bolts are intact. I like that level of strength.

Head studs: zero problems with ARP or 993TT, heard good things about Supertec but not tried them in a build.
Personally never seen nor heard of a scenario where the ARP head studs have caused a cylinder problem, never experience it with engines as basic as a 3.0L SC or as aggressive as a 900+hp 3.8TT.

Give us Raceware fasteners to install and they go straight into the recycling barrel.

Just my $0.02.

On the other hand, you've chosen your engine builder, and you trust his experience and judgement or you don't.
Chris Carroll
TurboKraft, Inc.
Tel. 480.969.0911
email: -
Old 12-22-2014, 08:55 PM
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