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Generation III Internal Engine
1997-2006 LS1 | LS6
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Texas Speed & Performance

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Old 01-02-2005, 06:25 PM   #1
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Default Install or not install HS rockers?

Yeah, Just finished all the springs and want to get bolt on the rockers so I can turn it over and test the cam.

Should I try my HS rockers after reading this post?

EMERGENCY!! ROCKERS! Help ASAP!

Don't even know if this is worth it. It seems like these may only give me one thing...grief. I assumed by buying a roller rocker I would posible get a smoother, queter valvetrain. Too bad they are so nice looking..I like the orange.

So should I still put these on? Is there anyone who has not had any problems?
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2000 Silverado 6.0L 4x4: Magnacharged & 3" 304 SS duals
Exhaust & Intake | 230HP & 275 FT-LBS
Magnacharger w/ TTP tune | 305HP & 350 FT-LBS @ 7#s| 335HP & 380 FT-LBS @ 10#s

2002 T/A M6 WS6: D1SC FMIC
10#s | 630HP & 550 FT-LBS
Cam only | 415HP & 400 FT-LBS | FM13 idle
Full bolt-on | 361 HP & 376 TQ | 12.323@112.65w/1.792
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Old 01-03-2005, 01:42 AM   #2
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I just put a set on my 5.3 heads and so far they are working great, bolted right on without any clearance problems. I say go for it
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Old 01-03-2005, 02:08 AM   #3
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Already put the stockers on tonight cause I wanted to make sure the cam was dialed in properly before I proceeded . Maybe I will swap them in a few weeks. Thanks for replying.
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2000 Silverado 6.0L 4x4: Magnacharged & 3" 304 SS duals
Exhaust & Intake | 230HP & 275 FT-LBS
Magnacharger w/ TTP tune | 305HP & 350 FT-LBS @ 7#s| 335HP & 380 FT-LBS @ 10#s

2002 T/A M6 WS6: D1SC FMIC
10#s | 630HP & 550 FT-LBS
Cam only | 415HP & 400 FT-LBS | FM13 idle
Full bolt-on | 361 HP & 376 TQ | 12.323@112.65w/1.792
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Old 01-06-2005, 07:06 PM   #4
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I just opened the HS rockers and was a little confused. 7 of the 8 pairs came
right apart. The rod stayed captive in one rocker and the other was free. Are
they supposed to that? The last pair was held together pretty good and thus
I left it like that, which confused me. I also did notice that the rod in
between the pair of rockers was shorter/longer on some of the pairs. The
rocker mounts seem to be evenly spaced on the stands though. Any concerns?
Did I get a defective group?
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Kevin:Mods
2000 Silverado 6.0L 4x4: Magnacharged & 3" 304 SS duals
Exhaust & Intake | 230HP & 275 FT-LBS
Magnacharger w/ TTP tune | 305HP & 350 FT-LBS @ 7#s| 335HP & 380 FT-LBS @ 10#s

2002 T/A M6 WS6: D1SC FMIC
10#s | 630HP & 550 FT-LBS
Cam only | 415HP & 400 FT-LBS | FM13 idle
Full bolt-on | 361 HP & 376 TQ | 12.323@112.65w/1.792
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Old 01-06-2005, 07:14 PM   #5
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I have the H S rockers with no problems!! as for your ? why not call them and see what they have to say
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Old 01-07-2005, 12:59 PM   #6
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Don't worry about it. Push them back together and bolt em on. Mine did the same thing, and I haven't had any problems with em yet!
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Old 01-07-2005, 02:26 PM   #7
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FWIW, my valvetrain is a little quieter/smoother with my Harland Sharps (and Manley NexTek springs).
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Old 01-07-2005, 02:47 PM   #8
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I put the harlansharp rockers on after my first oil change from my head and cam swap.After finding a bunch of needle bearing on my oil pan plug from my stock rockers. I have the PPII 5.3 Ihad to file the corner of one but other than that fit fine.They do come apart so you can center them over the springs once you tighten them down they womt move.I picked up a tenth in et and they might be a tad quieter. 2000 miles since install and several passes no worries.
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Old 01-07-2005, 02:58 PM   #9
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I have a set waiting to be installed.

Bill
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Old 01-07-2005, 04:44 PM   #10
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I am emailing them as I write this just to make sure. Just disturbs me that the spacers are all different sizes and one pair is captive while the others are not.
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2000 Silverado 6.0L 4x4: Magnacharged & 3" 304 SS duals
Exhaust & Intake | 230HP & 275 FT-LBS
Magnacharger w/ TTP tune | 305HP & 350 FT-LBS @ 7#s| 335HP & 380 FT-LBS @ 10#s

2002 T/A M6 WS6: D1SC FMIC
10#s | 630HP & 550 FT-LBS
Cam only | 415HP & 400 FT-LBS | FM13 idle
Full bolt-on | 361 HP & 376 TQ | 12.323@112.65w/1.792
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