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oem vs ARP??


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doing a head gasket job on an 05 OBXT. I know the stock head bolts are stretch type so I will be replacing them, just not sure if I should go with OEM or ARP. the car will remain stock, so i'm leaning toward oem, but I've also heard of horror stories of boost spiking over 16psi and causing problems.

 

what say you?

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I would say if you plan on stage 2 and lesser power levels then OEM is fine. Above that, you'll have the ability to run 20+lbs off boost, and over the long term you may stretch the studs or lift the heads.

 

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MTBwrench's Stage 3 5EAT #racewagon 266awhp/255awtq @17.5psi, Tuned By Graham of Boosted Performance

 

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I re-used mine once at ~ 145k and run a stage 1. No problems yet (168k now).

 

EDIT: I did recall that the re-use torque sequence and amount is different than for new bolts - don't re-torque used ones as if they were new (because they are already stretched).

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