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Tu1 cam springs?

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Old 03-01-2011, 08:25 PM
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Default Tu1 cam springs?

Im just wondering what springs I should use with the Speed inc Tu1 cam. The specs are 225/225 581/581 113. this cam will be used in my single turbo ls1 build with 7-9lbs of boost. thanks
Old 03-02-2011, 07:31 PM
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anyone......
Old 03-02-2011, 10:35 PM
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i would say a double springs since you are going to have a turbo setup
Old 03-03-2011, 02:32 AM
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PAC 1518 behive, you won't need duals with that cam, will keep the valve train lighter as well.
Old 03-04-2011, 10:00 AM
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I was looking at the pac single springs and they are good up to 650 lift and will use the factory spring hardware. Is this ok with a single turbo? Or should I use a double spring. Only running 7-9 lbs of boost
Old 03-04-2011, 11:07 AM
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It's the harsh ramp rate of some cams that beat on your springs, not the turbo. PAC 1518 will be fine
Old 03-04-2011, 04:06 PM
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Comp 921
Old 03-04-2011, 04:36 PM
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1518s....
Old 08-15-2012, 03:37 PM
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what about the pac 1218s? would that be decent enough to hold a TU0 or 1? i seem to keep geting those coming up alot. those are single beehives as well for up to .600. would these be ok or is that cutting too close for the lift of the TU0 and 1 with .581?



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