Blue LS6 springs and cam?????
12-07-2011, 08:32 PM
#1
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Blue LS6 springs and cam?????
Finally going to do my head and cam swap. Wanted to get everyones opinion on using the blue ls6 springs (good to .550 lift) with a Lunati 212 218 .531 .531 lift cam in my 5.3. I think I'm o.k. on lift, but just worried about the ramp rate of the Voodoo Lunati lobes. These are going on some massaged 799's. I'm leaning toward the non aftermarket springs for valvetrain noise control and just easier on everything else. So lets hear it ...............
12-07-2011, 11:35 PM
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Do you guys have yellow springs or the updated blue ones. I have the blue and and have read numerous places that they are only good to .550 lift vs .570 for the yellows, just thought the other specs of the blue springs would be lower also, mated with a Lunati Voodoo cam I dont want to run short on spring
12-07-2011, 11:45 PM
#5
had yellow
they dont make yellows anymore they were replaced with blue
The old style blue those were for the .525 lift z06 cams..you have new or old springs??
FROM SDPARTS:
Brand: GM Performance Parts #12499224
$56.95
Installed Height: 90#@1.800
Open Pressure: 295#@1.250
Max Lift: 0.570"
they dont make yellows anymore they were replaced with blue
The old style blue those were for the .525 lift z06 cams..you have new or old springs??
FROM SDPARTS:
Brand: GM Performance Parts #12499224
$56.95
Installed Height: 90#@1.800
Open Pressure: 295#@1.250
Max Lift: 0.570"
Last edited by grey matter 04; 12-07-2011 at 11:56 PM.
12-08-2011, 11:55 AM
#6
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I bought those exact springs from sd parts, new blue ones, I just read somewhere on here where they were tested for lift capabilities against the yellow ones and they didnt quite measure up to the yellow ones.
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