I want to know how to set these the correct way so that it is right the first time. Am I correct in assuming that I need to set them when they are at the top (valve closed)? That would mean that the lifter is on the backside of the lobe at that point and that would be where you set it to zero lash, right? Or is that wrong?

Someone please shed some light on this misunderstood subject.

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L98, 3.27 9-bolt, Hooker shorty headers, custom 2.5inch Y-pipe, no cat, 3inch 2chamber flowmaster, JET AFPR, Ported MAF, Best ET: 13.86 @100mph. 1.99 60'
17 inch ROH "ZS" wheels. 17x8.5(front) and 17x9.5 (rear). Firestone Firehawk SZ50s. 245/45/zr17s and 275/40/zr17s. T56

On the way... Radar Blue 89 Formula, T56, Ram Jet 430, Ram Air, 17inch ROHs.

 

Set them exactly as you would any other type. No difference.

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"So many Mustangs, so little time..."
ICON Motorsports

 

Sure. I usually set them with the motor running, but this is a brand new motor and Id rather set them "dry" and get it right the first time (or at least pretty close).
Yeah, normally I just back the nut off untill it starts to clatter, then tighten it back till it stops. Then, another 1/4 turn.

Now, how is it done without the motor running?

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L98, 3.27 9-bolt, Hooker shorty headers, custom 2.5inch Y-pipe, no cat, 3inch 2chamber flowmaster, JET AFPR, Ported MAF, Best ET: 13.86 @100mph. 1.99 60'
17 inch ROH "ZS" wheels. 17x8.5(front) and 17x9.5 (rear). Firestone Firehawk SZ50s. 245/45/zr17s and 275/40/zr17s. T56

On the way... Radar Blue 89 Formula, T56, Ram Jet 430, Ram Air, 17inch ROHs.

 

See answer #1.

The same as you would do ball fulcrum rockers: tighten the nut until the plunger in the lifter starts to depress, then ½ turn (or whatever other preload you prefer).

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"So many Mustangs, so little time..."
ICON Motorsports

[This message has been edited by RB83L69 (edited October 02, 2001).]