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02-25-2011, 06:38 PM | #1 |
Registered User
Join Date: Sep 2009
Location: ringgold, ga
Posts: 164
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Rocker Arm Adjustment?......
Have a newer rebuilt 91 model 350 engine, not sure how to adjust the rocker arms..I have heard that on this style engine you can just tighten them all the way down with the way these rockers are, but i have also heard its the old way, tighten, loosen, adjust etc. Any input is appericated...thanks.
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70 Chevy C10, LT1, T5, "Blue Beast" |
02-25-2011, 06:41 PM | #2 |
the boat guy
Join Date: Jul 2007
Location: springfield mo
Posts: 2,339
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Re: Rocker Arm Adjustment?......
take the play out then 1/4 turn is a good starting point. Or .030 gap if you're using solid lifters.
<--- post 666 yikes! Last edited by brad_man_72; 02-25-2011 at 06:43 PM. |
02-25-2011, 06:44 PM | #3 |
Registered User
Join Date: Sep 2009
Location: ringgold, ga
Posts: 164
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Re: Rocker Arm Adjustment?......
They arent solid lifters. Is it just best to do it with the valve covers off and wait till i dont hear them chatter anymore?
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70 Chevy C10, LT1, T5, "Blue Beast" |
02-25-2011, 07:21 PM | #4 |
sharp as a marble
Join Date: Jan 2007
Location: atlantic beach,florida
Posts: 1,082
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Re: Rocker Arm Adjustment?......
Search for my posts here. I have posted a couple of time how to adjust the valves on a stock hydraulic cam motor WITHOUT starting the engine. This works, and keeps the mess to almost nothing
QUOTE=aggieguy713;4513306]Have a newer rebuilt 91 model 350 engine, not sure how to adjust the rocker arms..I have heard that on this style engine you can just tighten them all the way down with the way these rockers are, but i have also heard its the old way, tighten, loosen, adjust etc. Any input is appericated...thanks.[/QUOTE] |
02-25-2011, 07:30 PM | #5 |
Junior Member
Join Date: Jan 2007
Location: Land O' Lakes Florida
Posts: 103
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Re: Rocker Arm Adjustment?......
This is tricky, because the 6.0, 7.0 and 7.4 liter engines were zero lash which means you tighten them down all the way, but the 5.7l (350) was adjustable so you put it on #1 TDC and take out the slack them tighten another 1/4 turn on 1/2 the cylinders and then turn to TDC again and do the other 1/2. If you need the list of what cylinders to do in what order let me know.
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02-25-2011, 07:30 PM | #6 |
Registered User
Join Date: Dec 2009
Location: hangtown, ca
Posts: 244
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Re: Rocker Arm Adjustment?......
new or old doesn't really matter its just if it has hydraulic lifters or solid this FAQ should tell you anything you need to know
http://67-72chevytrucks.com/vboard/s...d.php?t=418725 |
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