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Pushrods

Old Oct 4, 2005 | 12:35 AM
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Default Pushrods

ok well i kinda want to change the pushrods and rocker arms in the future and i am wondering if there is a write up on how to do this like LS1howto.com has on how to change the rocker arms.
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Old Oct 4, 2005 | 12:38 AM
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it's part of the cam swap write up ls1howto.com. just follow the part about taking the rockers off. really, you shouldn't need it. just take off your valve covers, unbolt the rockers, then take out the pushrods.
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Old Oct 4, 2005 | 12:51 AM
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its not hard. pull the coil back, pull the valve cover, pull the rockers off, pull out the pr's, reinstall in backwards order.
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Old Oct 4, 2005 | 11:39 AM
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well thats what i thought but just making sure that i didnt do anything wrong once i do it, also the valve springs how much compression do you usually want with installing new ones???
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Old Oct 4, 2005 | 11:45 AM
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What do you mean by compression?????
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Old Oct 5, 2005 | 12:17 AM
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well when you sit them in dont you have to compress them to a certain compression?? or something like that.
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Old Oct 5, 2005 | 12:21 AM
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just torque the 8mm bolts to 22lbs and call it a day. Not sure what you mean about compression, unless you mean valve lash? Just get the stock length rods and torque them down.
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Old Oct 5, 2005 | 07:37 PM
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ok sounds good i just heard somewhere that you have to compress the valve springs down or something like that, i guess i just misunderstood the torque thing.
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Old Oct 5, 2005 | 11:29 PM
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What they probably meant is that you should bottom out the bolt on the rocker if it is compressing the spring, back it off, -then- set your torque.
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Old Oct 6, 2005 | 04:09 AM
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The service manual tells you to put the engine at TDC and torque specific valves because they are on the base circle. Rotate 360 and do the others. Not sure the torque reading is accurate on a rocker that has a compressed spring.

I think the other question he is asking is seat pressure and installed height.
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Old Oct 6, 2005 | 07:53 PM
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ok well that sounds easy enough, just torque them to 22 lbs of torque and thats it huh that sounds easy. thanks for the replys.
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Old Oct 6, 2005 | 09:35 PM
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when you tighten the the stock rockers the sit on their perches. They are not adjustable. Hey predator..you out there?
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Old Oct 6, 2005 | 09:37 PM
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why are you replacing the rockers, pushrods, springs etc...? are you doing a cam swap?
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Old Oct 7, 2005 | 08:27 AM
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no not yet but i just want to make sure that all the pushrods and rockers and all that is intact and nothing is wrong in there. and plus it doesnt hurt to just change pushrods to hardened ones with stock springs and rockers does it??
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Old Oct 8, 2005 | 09:22 AM
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just want to make sure that all the pushrods and rockers and all that is intact
why wouldnt they be? is the car not running? broken? make alot of vavletrain noise?

just seems like alot of work for nothing.... if you are going to be in there you might as well just re-install better springs and throw a cam in!

just my 2 cents....

good luck on that pushrod swap!
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Old Oct 8, 2005 | 09:26 AM
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Like said above follow the cam swap write up.
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Old Oct 8, 2005 | 10:27 AM
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i might as well just get a cam sometime soon since everytime i post something like this its you should just do the cam swap also, since i will be changing my oil pump to a LS6 one and getting a new LS2 timing chain it is what everyone is telling me.
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Old Oct 8, 2005 | 10:28 AM
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i am pretty much dead set on the C2 cam from MTI, another member on here said he produced 378 hp with just the cam, intake, and catback. i didnt believe him at first but he showed me the numbers, so that is the cam i am wanting.
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