A stud, on the other hand, threaded finger-tight into the block, puts its wear on its own threads and nut instead – a big advantage in block longevity for engines that will be assembled and ...

There’s more to it than just that, of course; studs generally provide more accurate torque loading. The usual go-to for high-quality head studs is ARP, or Automotive Racing Products -- a ...

We hypothesize that the shop that previously installed head studs in this engine employed either an improper torquing sequence, or the wrong torque spec values. Then again, as they say: stuff happens.

Remount the head and use the stud hole as the centering point for the 15/32-inch punch. Strike the head of the punch with a good amount of force with a 2-pound brass hammer.

Diesel enthusiasts invest in strong bolts (or even studs) to clamp our engines’ cylinder head (s) to the block, but it’s our engines’ head gaskets that actually seal these two critical ...

The engine is a 1948 Mercury with aluminum heads. Since the engine has been rebuilt it runs great, doesn't overhead but several of the head studs have drops of coolant coming off the nuts.