Compression Ignition Addict
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The block will break before you stretch (properly installed) ARP studs. H11 I'm sure have a higher tensile strength but when it comes down to it who needa stud stronger then the stock block?
I would save money, go with arp unless your going to have a 1000+hp build.
ARP's are rated at 220,000 psi tensile strength. The H11's are rated at 240,000. The block of the engine will blow to pieces at 220,000
edit: lol I forgot about ARPs newer STUDS the really expensive ones, maybe someone will post a link.
2004 F350 PSD
8" Icon, Loud Pipe, 58v FICM, Deleted, MudGrapplers, Edge Insight, Sct tuned by Vivian.
2011 F350 PSD
AFE , Airbags, Recon, BMF , Nitto,
Last edited by 20046.0; 04-11-2012 at 12:49 PM.