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Old 11-05-2011, 08:58 AM   #1
Born Lucky
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Rocker Adjustmnet Help

O.K. this is a new thread following my No Spark one.
Update. I have fuel, Have a good spark( may coil tested bad in the secondary circut) with new coil but still no start.
So, now I sit an think what did I do wrong.
Timing gears on the money(dot to dot on gears),every bolts tighted to spec, holycow I did not adjust my rockers correctly! I just tighten them down without finding TDC on each cylinder.
I need assistant on this procedure. Do I rotate the pushrod side to side or do I lift it up and down for adjustment? Do you guys think I bent a pushrod? I would like an explanation of the valve layout, starting with the one closes to the front of the engine example intake,exhaust right on down the line. THis way I will know which one is correct. I have a 292 engine!
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Old 11-05-2011, 09:03 AM   #2
Rich 5150 69
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Re: Rocker Adjustmnet Help

Put each cylinder on firing postion, adjust rocker so that the push rod will not spin with your fingers, if any are bent you`ll find in then.
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Old 11-05-2011, 10:28 AM   #3
68gmsee
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Re: Rocker Adjustmnet Help

Place cylinder as mentioned ^.

Rotate engine until ignition rotor is at #1

Adjust INTAKE valves 1, 2, and 4 and EXHAUST valves 1, 3, and 5 by:

Back off rocker arm nut until lash is felt, then tighten nut until all lash is removed, then tighten 3/4 to one full turn

Rotate motor until ignition rotor is at #6

Adjust INTAKE valves 3, 5, and 6 and EXHAUST valves 2, 4, and 6 using the same procedure above.

If you find a bent push rod, take it out, throw it in the trash if you want and just go get another one. No big deal. I've replaced many of them. Sometimes you can straighten them back out if you're careful, but I don't like to do that.
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Old 11-05-2011, 11:37 AM   #4
Born Lucky
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Re: Rocker Adjustmnet Help

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Originally Posted by 68gmsee View Post
Place cylinder as mentioned ^.

Rotate engine until ignition rotor is at #1

Adjust INTAKE valves 1, 2, and 4 and EXHAUST valves 1, 3, and 5 by:

Back off rocker arm nut until lash is felt, then tighten nut until all lash is removed, then tighten 3/4 to one full turn

Rotate motor until ignition rotor is at #6

Adjust INTAKE valves 3, 5, and 6 and EXHAUST valves 2, 4, and 6 using the same procedure above.

If you find a bent push rod, take it out, throw it in the trash if you want and just go get another one. No big deal. I've replaced many of them. Sometimes you can straighten them back out if you're careful, but I don't like to do that.
Could you please give me a run down on the layout. I need to kown the layout of the rockers as which is the exhaust and the intake starting from #1 Example front of engine you have exhausr/intake then # 2 intake exhaust. This way I can have a better understanding of the layout.
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Old 11-05-2011, 11:55 AM   #5
GASoline71
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Re: Rocker Adjustmnet Help

A good service manual will brek it down for you perfectly.

Gary
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My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread.

The Rebuild of Creeping Death after the wreck

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I would never rebuild a 305.
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I love using vacuum gauges as part of the carb tuning process. I hook the gauge to the inside of my garbage can and leave it there.
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Remember Murphys 2nd law of mechanical relationships... "OPPOSING COMPONENTS ATTEMPTING TO OCCUPY THE SAME SPACE, AT THE SAME TIME, GENERALLY END UP OCCUPYING ADJOINING SPACE AT THE BOTTOM OF THE OIL PAN"
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Its cheaper to listen to advice given when you ask for help than it is to ignore everyone and wait for carnage.
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Old 11-05-2011, 12:54 PM   #6
67sss
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Re: Rocker Adjustmnet Help

is this the same procedure with roller rockers? or do I need to gap em?
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Old 11-05-2011, 02:11 PM   #7
GASoline71
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Re: Rocker Adjustmnet Help

"Gap" them?

Gary
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'cuz chicks dig scars...

My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread.

The Rebuild of Creeping Death after the wreck

Quote:
Originally Posted by LONGHAIR View Post
I would never rebuild a 305.
Quote:
Originally Posted by prostreetC-10 View Post
I love using vacuum gauges as part of the carb tuning process. I hook the gauge to the inside of my garbage can and leave it there.
Quote:
Originally Posted by Marv D View Post
Remember Murphys 2nd law of mechanical relationships... "OPPOSING COMPONENTS ATTEMPTING TO OCCUPY THE SAME SPACE, AT THE SAME TIME, GENERALLY END UP OCCUPYING ADJOINING SPACE AT THE BOTTOM OF THE OIL PAN"
Quote:
Originally Posted by cableguy0 View Post
Its cheaper to listen to advice given when you ask for help than it is to ignore everyone and wait for carnage.
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Old 11-05-2011, 04:02 PM   #8
67sss
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Re: Rocker Adjustmnet Help

brain fart... I was on the wrong thread.....
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