I was actually teasing Henry lol  I've been a big fan of ARP fasteners for years now on my watercooled race motors but I doubt they put a lot of effort into figuring out the whole expansion think on a 911 since the market is so small compared to their other applications. I don't know much about Raceware so your studs, designed by guys who race these engines, are of interest to me. I'm hoping to do a build up next winter and would of course be using top quality fasteners.
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Email me about 911 exhaust stud repair tools, rsr911@neo.rr.com
1966 912 converted to 3.0 and IROC body SOLD unfortunately 
1986 Ford F350 Crew Cab 7.3 IDI diesel, Banks Sidewinder turbo, ZF5 5spd, 4WD Dana 60 king pin front, DRW, pintle hook and receiver hitch, all steel flat bed with gooseneck hidden hitch. Awesome towing capacity!
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