L78 tune up

[@wot]

What's "a little bit tighter", .001, .002, etc. Just curious.

[Chevy454]

Thereabouts...if you get too tight, the thing won't wanna rev and you're putting too much stress on the valvetrain...but conversely, too loose and you'll hammer your lifters to pieces. From .022-.028 is probably the safe zone assuming it's an older stock cam...I've seen a newer replacement cam with 16/16 figure, and then of course some of the newer tight lash cams take that a step further.

[NCGuy68]

[ QUOTE ]
From .022-.028 is probably the safe zone assuming it's an older stock cam...

[/ QUOTE ]

Is that setting them hot or cold?

[Chevy454]

Hot, always hot...

[kwhizz]

What about an L89 ??....................

Ken

[Chevy454]

Can't remember off hand, it's posted somewhere around...but I'll grab my tune up manual or my Sun sheets and check!

[BUIZILLA]

L89 is the same procedures...