We're using the Clifford 268 cam along with the dual valve spring setup. For now, we've got a NOS shaft and a full det of NOS rockers. Do the stock adjusting screws hold well? I've been looking at the secrew/locknut sets in the Mopar performance catalog. Will the V8 mopar screws fit? Should I be considering them?

Thanks,

Gilly

tlg225ccr@aol.com

The stock ones should be just fine. This ain't no cheap V8 junk. The rockers are some of the most bulletproof parts of the Slant engine. I have never had troubles with rockers with any high-lift cams with big valve springs. I have about 30k on my 0.540" cam with fat springs and I adjust the rockers about every other oil change, but I'm usually spinning this thing to 6000 doing racing too...,

Cheers,

Lou

madsenl@its.caltech.edu

Thanks, Lou. Can't believe that I'm throwing rocks at Chevy, but changing the rocker arm adjusting nuts on the SB Chevy was one of the first mods I made when using a Mech lifter cam. I had a Duntov 30/30 cam in a 283 that wouldn't hold adjustment worth beans.

I have read that the SL6 valve train is good, but these rocker arms just "don't look hi-tech". That said, lets give it a go. Thanks for saving me the $$ on the adjusting screws.

Gilly


tlg225ccr@aol.com

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GASP ! He said "small block", and "Chevy" on the /6 board!!!
:
: I have read that the SL6 valve train is good,
: but these rocker arms just "don't look
: hi-tech". That said, lets give it a go.
: Thanks for saving me the $$ on the adjusting
: screws.
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Gilly, you're absolutly right, they do look rather lo-tech, but that's part of the beauty of the engine. Two-piece, riveted stamped steel rockers, but yet, they will go 200,000+ miles without failure. The adj'r screw should be somewhat stiff to turn in the rocker arm. If it's only finger-tight stiff, I would suggest going with a different rocker arm. Doc Dodge might have a bit more data on this.

Roger

GTS225@aol.com

The only things I ever do to the stock SL6 rocker arms is:
-Make sure they are oiling out the tips.
-Make sure the tips are centered over the valve stem.
-On real stiff Valve Spring set-ups, I put a small spot weld at the seam, bottom side of the rocker arm, right where the screw goes through, this keep the screw threat hole from spreading open under heavy loads.
DD