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Most say when you reach 40-45 psi but displacedtexan is right is tuned right you can run way more than that
6 Dodge 2500 2 wheel drive 6 speed 5'' fbd, BDTD CL, DR. Performance stage III, afe 2, Isspro Boost, Fuel, EGT. DD3600 from south bend, and air dog 150 505hp 1020tq since i ditched the Smarty.For Sale
My boss is pushing over 50psi at times with stock bolts but his head is fire ringed to keep the pressure in the cylinder better and not blowing the gasket.
1997 RCLB SLT Laramie, 4" Straight Pipe, KnN Air Filter,ARP Headstuds, NV4500 swap with Kenny's Pulling Clutch, now just need some gauges and let the power start accumulating. Some go fast parts laying on the bench just waiting to be put to use
letting your truck warm up before beating on it is a key factor as well.... drive pressure is a huge one, but drive pressure and back pressure are a cause/effect relationship, so opening up your exhaust prior to the turbo can help (gasket matching)
most guys say 40psi ish on stock bolts....
some guys say retorque headbolts.....
the HG in my truck was toasted when i bought it.... and after doing the head/swap gasket after fighting with it for a year, i shoulda just threw a new gasket in right away... it really is NOT that hard.
some guys get 50/60/70 psi or more on stock bolts....
i'd say driving habits, timing, egt's and turbo setup will dictate how far you can go...
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