You're going to have to excuse me for not knowing exactly what parts I'm discussing here, but...

I noticed that there was a little sideways movement in some of my rockers on the main shaft that they all line up on. So, if you wiggle them from side to side, some stay still, but a couple move a little. Does that make sense? I'm wondering tension is normally holding them still, but that at some point in the stroke it lets off a little and would allow some travel.

Any ideas?

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1965 Dodge Dart
'85 225 /6
Holley 1920

"just give him some gas"

This is normal. On mechanical lifter slant sixes (all pre-1981 slant sixes) it is normal to have some side to side play on rocker arms with the corresponding lifter off the corresponding lobe of the cam. As the camshaft turns and pressure is put on the valve train, the small amount of slack is taken up and the rocker arm becomes tight against the rocker arm shaft.

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Casually looking for a Clifford hyperpak intake for cheap.

Sorry! I should've been more specific... it's an 85 block with an 81 head, so I have hydraulic lifters. Does that make a difference?

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1965 Dodge Dart
'85 225 /6
Holley 1920

"just give him some gas"

Potentially. How much movement is "a little"?

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Casually looking for a Clifford hyperpak intake for cheap.

without actually going and measuring... I'd say really minimal. Just enough to rattle up against the bit next to it, which is solidly in place. I only noticed this when I took the cover off to look for the ID stamps on the head and everything looks solid enough that I'm not particularly suspicious of anything involving the rockers and most of them are halfway through their stroke and solid and I haven't turned the engine to see if the solid ones loosen up.

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1965 Dodge Dart
'85 225 /6
Holley 1920

"just give him some gas"

I wouldn't worry about it. They are supposed to be loose enough to rotate and slide on and off the rocker arm.

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Casually looking for a Clifford hyperpak intake for cheap.

Sounds like normal spacing and slopage, not to worry.

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67' Dart GT Convertible; the old Chrysler Corp.
82' LeBaron Convertible; the new Chrysler Corp
07' 300 C AWD; Now by Fiat, the old new Chrysler LLC

Thanks guys!

The cover is back on and he's alive again.

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1965 Dodge Dart
'85 225 /6
Holley 1920

"just give him some gas"