Originally Posted by
skcusloa those thing seem like a waste of time and a cause of future problems, like an intake leak....The nuts/bolts are still made out of metal and will still conduct heat, plus it's so damn hot in the engine bay you'd think they would still get hot.
but then again, I'm an na hater :P
On a 90*-100*F day yes everything inside the engine bay is hot, Spacers or not. On other days it stays warm to touch instead of burning you like it did before.
NA this might not mean much, boosted, it helps keep the temps low to avoid knock in boost.