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whats needed for comp trunion upgrade

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Old 12-12-2012, 10:53 AM
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Default whats needed for comp trunion upgrade

What all do I need for this upgrade going back to stock rockers do I need diff bolts? A install kit or does a vendor sell it all as one package?
Old 12-12-2012, 10:55 AM
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you will need a few hand tools and a press if you have one to push the center out of the rocker, but its not a must there are other ways of doing it.

all you need is the kit, and the factory rockers. theres a write up, lemme find it for you.
Old 12-12-2012, 10:56 AM
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tada

http://www.compcams.com/v002/Instruc.../COMP4-126.pdf
Old 12-12-2012, 10:57 AM
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Originally Posted by Tainted
Thanks man
Old 12-12-2012, 10:58 AM
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np, good luck and remember, measure 3 times, install once
Old 12-12-2012, 11:10 AM
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Originally Posted by Tainted
np, good luck and remember, measure 3 times, install once
For sure ... How would I go about doing this if I don't have a press?? I may need shorter prs now.. ill check that out before I oreder just incase I need diff length
Old 12-12-2012, 11:10 AM
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a large vise also works well, in lieu of a press
Old 12-12-2012, 11:20 AM
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Originally Posted by oange ss
a large vise also works well, in lieu of a press
Cool that's bro.. what's size vice, pretty much 1 that's fits over the bearing?
Old 12-12-2012, 11:24 AM
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Originally Posted by chevybayboy
For sure ... How would I go about doing this if I don't have a press?? I may need shorter prs now.. ill check that out before I oreder just incase I need diff length
you can use a small socket and rubber mallet.

also this shouldnt change the pr length
Old 12-12-2012, 11:26 AM
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Originally Posted by Tainted
you can use a small socket and rubber mallet.

also this shouldnt change the pr length
Ok cool beans thanks guys
Old 12-12-2012, 11:41 AM
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The kit now comes with large washers to press the bearings in. No need for sockets etc. just a vice or a large c clamp

It also comes with new bolts. Buy the kit from Colorado speed. They are top notch
Old 12-12-2012, 03:23 PM
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Originally Posted by badazz81z28
The kit now comes with large washers to press the bearings in. No need for sockets etc. just a vice or a large c clamp

It also comes with new bolts. Buy the kit from Colorado speed. They are top notch
I ordered them from summit because there right here in reno I stay in ca and the usually get here the next day but that's on the input I'm going to use the c clamp thanks
Old 12-12-2012, 03:42 PM
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Just be careful how far you drive the bearing in. Too tight and the bearings won't turn smoothly. Get them in all the way just don't over do it.
Old 12-12-2012, 04:23 PM
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I'm do the same thing, only I'm permanently removing my YT rockers before my lucks runs out and I do serious engine damage.
BTW, It gave me an excuse to buy a small (1ton) arbor press($65) from NorthernTools, I also have a set of LPE metal cnc machined rocker stand on order.
Old 12-12-2012, 06:13 PM
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Originally Posted by 99Bluz28
I'm do the same thing, only I'm permanently removing my YT rockers before my lucks runs out and I do serious engine damage.
BTW, It gave me an excuse to buy a small (1ton) arbor press($65) from NorthernTools, I also have a set of LPE metal cnc machined rocker stand on order.
You have the link to the rocker stands and press?
Old 12-12-2012, 06:14 PM
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Originally Posted by badazz81z28
Just be careful how far you drive the bearing in. Too tight and the bearings won't turn smoothly. Get them in all the way just don't over do it.
Ok thanks for the heads up
Old 12-13-2012, 04:01 AM
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The press really made the trunion upgrade a smooth/easy process.

PM sent with links.
Old 12-13-2012, 10:19 AM
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Originally Posted by 99Bluz28
The press really made the trunion upgrade a smooth/easy process.

PM sent with links.
Got it thanks bud
Old 12-13-2012, 08:57 PM
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Old 12-13-2012, 09:42 PM
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That's a good video...but Comp makes me wonder why the letters need to face outwards. My assumption is the bearing are slightly tapered. From this I gather its a BAD idea to press it completely through the rocker arm if you mess up. The video did show much more force was required to push it all the way through vs just install. BLUF...Make sure you don't mess up.


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