Interesting results on head bolt tests
Thanks for sharing.
I almost bought a set of those Xotic head bolts they flashed at the end, but ended up just getting the Felpro stock replacements since it was just a stock-style rebuild. I was looking for something in between the ARP studs and the TTY bolts.
I may get a set of the Amazon studs next time, they actually seem to perform decent enough for the money.
I almost bought a set of those Xotic head bolts they flashed at the end, but ended up just getting the Felpro stock replacements since it was just a stock-style rebuild. I was looking for something in between the ARP studs and the TTY bolts.
I may get a set of the Amazon studs next time, they actually seem to perform decent enough for the money.
Thread Starter
Joined: Jun 2014
Posts: 1,241
Likes: 47
From: Noblesville, IN
Thanks for sharing.
I almost bought a set of those Xotic head bolts they flashed at the end, but ended up just getting the Felpro stock replacements since it was just a stock-style rebuild. I was looking for something in between the ARP studs and the TTY bolts.
I may get a set of the Amazon studs next time, they actually seem to perform decent enough for the money.
I almost bought a set of those Xotic head bolts they flashed at the end, but ended up just getting the Felpro stock replacements since it was just a stock-style rebuild. I was looking for something in between the ARP studs and the TTY bolts.
I may get a set of the Amazon studs next time, they actually seem to perform decent enough for the money.
Thread Starter
Joined: Jun 2014
Posts: 1,241
Likes: 47
From: Noblesville, IN
As for stretching vs. breaking, I'd assume that you'd reach the point of plastic deformation long before the bolt/stud actually snapped. So unless your detonating the absolute ***** off the motor you'd lose compression long before you reached the point of bolt failure.
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Verdad Gallardo Thread Starter
Joined: Jun 2014
Posts: 1,241
Likes: 47
From: Noblesville, IN
My assumption is that the further away from the source of your clamping load, the less clamping force is applied. Of course there are things that affect this (surface area of the clamp, amount of force exerted, etc etc), but that's why the bolts are spaced the way they are. In a perfect world I'd assume engineers would design things so that the distance between the bolts creates a perfect overlap where there is an even clamping force across the entire surface area. Since we don't live in a perfect world, I'd assume that there are some peaks and valleys in terms of clamping force across the head and deck, but that they are close enough that the head won't warp or lift in areas.
So to answer your question... the clamping force is multiplied in some areas and not in others?
