dropped a pushrod ??
TECH Fanatic
Joined: Jan 2005
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From: St. Augustine, FL
Ah.. went and dug up my old receipts to double check. turns out I forgot I bought the chromoly ones from Thunder. They were 109 when I picked them up. I think the comps were about the same as they are now. oh well.. Yeah, $40 does sound a little better if your not thinking about guideplates anytime soon.
Ah.. went and dug up my old receipts to double check. turns out I forgot I bought the chromoly ones from Thunder. They were 109 when I picked them up. I think the comps were about the same as they are now. oh well.. Yeah, $40 does sound a little better if your not thinking about guideplates anytime soon.
from what I understand if you intend on replacing your current lifters with ls7 lifters you are going to need a slightly shorter pushrod anyhow so I would just go ahead and order a checking pushrod when you order the lifters
I haven't seen or installed any of the ls7 lifters but have been researching replacement lifters and the cup height differences seemed to come up frequently so I figured I would at least bring it up. At a minimum I would personally install the lifters and install one of his pushrods that he has on the car now just the check the sweep pattern and if it checks out fine order the same length but if not obviously adjust accordingly. And as for the dealership I am sure you are 110% correct but by the same token the dealership doesn't do alot of the things that a performance minded individual would. They might wrench on corvettes but they also work on lumina minivans
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Thread Starter
On The Tree
Joined: Feb 2009
Posts: 163
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From: Texas
ill get those then for $40 you cant go wrong ...i more ? how do i adjust the roller rocker poly locks they have a allenwrench stud in them that goes up and down and rockers...i asked this ? in a other post and the guide some posted did not show how to adjust the poly locks
Thread Starter
On The Tree
Joined: Feb 2009
Posts: 163
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From: Texas
Add your preload minus 1/16th of a turn, then tighten down the set-screw. Then, turn the poly-lock AND the set screw together the last 1/16th of a turn. Many times tightening the set screw alone is not enough. I've never had a rocker come loose with this method.
Thread Starter
On The Tree
Joined: Feb 2009
Posts: 163
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From: Texas
I don't know that's how the previous owner had them...i have never adjusted rockers before that's why i was asking how do i adjust them... if some one can post a link with a video showing how to...that will be great and thanks for the help and advice guys
Cheap hardened pushrods aren't nearly as stiff as chromemoly pushrods.
http://www.summitracing.com/parts/TFS-21407200/
http://www.summitracing.com/parts/TFS-21407200/
Cheap hardened pushrods aren't nearly as stiff as chromemoly pushrods.
http://www.summitracing.com/parts/TFS-21407200/
http://www.summitracing.com/parts/TFS-21407200/
Thread Starter
On The Tree
Joined: Feb 2009
Posts: 163
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From: Texas