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Evo GeneralDiscuss any generalized technical Evo related topics that may not fit into the other forums.
Please do not post tech and rumor threads here.
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Does anyone know, what head studs are those? There is no name or stamp on them. I pulled them out from evo 8 engine that somebody build some time ago, and had rod bearing failure now. Are those L19? If they are L19 why there is no name on them. Sorry they are just dirty from oil on the pics. Thanks
They look very similar to the MAP H11 headstuds, which are not produced any longer. If you Google 'MAP H11 headstud', you'll see additional pictures.
Do you by any chance know what torque specs and lube those headstuds need? Since they are almost the same as L19 studs can I use Arp lube and torque them to 90 ft lbs? Thanks!
Do you by any chance know what torque specs and lube those headstuds need? Since they are almost the same as L19 studs can I use Arp lube and torque them to 90 ft lbs? Thanks!
There's an old thread from 2011 where one of the guys from MAP said you can use ARP Ultratorque lube and torque them to 95 ft. lbs.
