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LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Scorpion rockers problem

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Old Jan 29, 2012 | 08:55 PM
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Default Scorpion rockers problem
So Im about to fire this bish up and was just checking everything. I took off a rocker and noticed that it has indents on the bottom of the rocker where it is hitting the rocker-stud on the bottom like where you would put the wrench. It almost seams like there should be a spacer between the rocker on the bottom of the stud??? Now im worried and confused. Any help would be great.
John
They are 1.6 rockers with guide plates.
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Old Jan 29, 2012 | 09:25 PM
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You may have to take them all off and clearance them. I would also check the valvetrain geometry. It may only be a matter of clearance, but if the rocker is actually sitting that low, the geometry could be off (incorrect pushrod length, would be too short in this case). If the geometry is good just clearance the rocker arms as needed.
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Old Jan 29, 2012 | 09:49 PM
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If your using stock rocker studs Change them to arp studs i had the same issue with my rockers
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Old Jan 29, 2012 | 10:55 PM
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I cant see a difference between the ones I have and the ARP's. Really need a real world opinion. Someone that has experienced this exact problem...
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Old Jan 29, 2012 | 10:59 PM
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I told you what to look for...
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Old Jan 29, 2012 | 11:05 PM
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pushrod length is perfect. And that wouldnt matter. the rockers do not "hover"
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Old Jan 30, 2012 | 10:21 AM
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So i just double check my pushrod length. Do I really have to grind down my rockers to fit?
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Old Jan 30, 2012 | 10:25 AM
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Originally Posted by SPOOOOLIN
pushrod length is perfect. And that wouldnt matter. the rockers do not "hover"
then why dont you explain how you preload a HR lifter?? its not an ls1 man lol.....

Originally Posted by SPOOOOLIN
So i just double check my pushrod length. Do I really have to grind down my rockers to fit?
if you have to grind rockers to fit id call scorpion and tell them to suck on something.......im willing to bet the PR is too short....how did you measure? any pics of this?

also is the head stock? guideplates? and what studs are you using?
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Old Jan 30, 2012 | 10:37 AM
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Scorpions here with ARP studs. No problems. Badblackzee and a couple more on here that I personally know run them with no issues. Sounds like PR length is off.

Edit: if it makes any difference, I ran these rockers/studs on a stock casting and on my current dart casting. Did not have any issues. Are they NSA or SA?
Last edited by 1badzee; Jan 30, 2012 at 10:53 AM.
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Old Jan 30, 2012 | 11:48 AM
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Can you post a picture?

I think I am with the rest of the guys in thinking this is an installer error thing and not a scorpion thing.
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Old Jan 30, 2012 | 08:40 PM
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I have scorpion narrow body self aligning 1.6 ratio roller rockers no problems.
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Old Jan 30, 2012 | 08:52 PM
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BadBlackZee just had to clearance some of the rockers simply because he is running ARP studs and the bottom of like 6 rockers barely touched in a small spot.



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Old Jan 30, 2012 | 08:54 PM
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hmmmm, i have guide plates.. mine look the same though.. mabee i have SA insead of NSA
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Old Jan 30, 2012 | 08:56 PM
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You should not be using self-aligning rockers with guide plates
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Old Jan 30, 2012 | 09:01 PM
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can you post a pic of how much you had to take out or of where it was touching... I can't get into my photobucket to upload pics...
Thanks a million
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Old Jan 30, 2012 | 09:29 PM
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I do not have pics of that. It was very little on the bottom corner. Your issues SERIOUSLY sounds like too short of pushrods man. The rocker should NOT touch the bottom of the rocker stud like that with an appropriate length pushrod. My friend (the pics I posted) had issues with the body of the rocker hitting the HEAD studs. I run ARP head bolts and have zero clearance issues. Post a pic up for us when you get a chance
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Old Jan 30, 2012 | 10:00 PM
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I just realized that I measured pushrod length BEFORE the damn guide plates.... ****!!!
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Old Jan 30, 2012 | 10:08 PM
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im runnning stock pushrods.. they should be fine though... ARGHHH
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Old Jan 30, 2012 | 10:35 PM
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Originally Posted by SPOOOOLIN
im runnning stock pushrods.. they should be fine though... ARGHHH


Not necessarily ......what's in it for lifters?
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Old Jan 31, 2012 | 09:25 AM
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Forget clearancing them. You need to run a tapered stud with those rockers.
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