.583Lift @valve, 02-04 ls6 yellow spring??
03-23-2006, 08:41 AM
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There are a few people running close to .600 lift on Z06 springs in the LS2 GTO world. I will be running above .580 lift on mine and don't plan to have issues. 
03-23-2006, 07:12 PM
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Originally Posted by SS_bnoon_SS
There are a few people running close to .600 lift on Z06 springs in the LS2 GTO world. I will be running above .580 lift on mine and don't plan to have issues.
03-23-2006, 08:10 PM
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Originally Posted by 99Silver6.0
Thats all well and good. But I would be concerned about float. Id want a better spring running a cam with that much lift.
You can run stock springs and it will run but it WILL float! The LS6 springs arent gonna cut it.
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06-03-2006, 11:49 AM
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Ended up with comp. cams 54-450-11 specs as follows
54-450-11 ''XFI'' 260 Hydraulic Roller Cams
GM C/K Trucks 99-06 4.8/5.3L
Lift: .513''/.520''
Duration @ .050'':206°/212°
RPM Range: 800-5800
Lobe Separation: 115°
with 1.8 cranes lift at valve is .564/.572 runs stromg as hell, no float, no bind,p/v clearance greater than 3/16". all is well in strokerland.
54-450-11 ''XFI'' 260 Hydraulic Roller Cams
GM C/K Trucks 99-06 4.8/5.3L
Lift: .513''/.520''
Duration @ .050'':206°/212°
RPM Range: 800-5800
Lobe Separation: 115°
with 1.8 cranes lift at valve is .564/.572 runs stromg as hell, no float, no bind,p/v clearance greater than 3/16". all is well in strokerland.
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