Quote:
Originally Posted by fiveohwblow
It's difficult to define "hard", but my car is driven anything but nicely. Last run was over 100 miles and barely under 4k or 80 mph. I run the bitch hard. That's how the damned bumper needed replaced actually. My opinion: proper setup and tune, no need for head gaskets popping.
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I can second that, the only time I blew out a HG it was running super lean. But studs will def make it easier to drop the heads in place. Scratching the bottom of the head trying to get the dowel pin to line up always sucks.
PS, girdles help keep the crank from flexing. Not that there will be so much stress on the crank in a normal app that the block needs a girdle to keep it in place, like rocker girdles, but after 100k miles I would imagine there would be less wear. So Id vote no on a block girdle, yes on rocker girdles.