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Crane Cams Dual Valve Springs drop in no head work?

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Old 10-22-2003, 01:18 AM
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Default Crane Cams Dual Valve Springs drop in no head work?

will I have to machine my pockets to run these springs? Please let me know thanks and sorry for some many questions thanks agian Ronnie
Old 10-22-2003, 01:44 AM
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Default Re: Crane Cams Dual Valve Springs drop in no head work?

Ronnie, these fit in the factory spring pocket. No modifications necessary. From the testing we have done, they seem to be excellent springs.

Jason
Old 10-22-2003, 06:49 AM
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Default Re: Crane Cams Dual Valve Springs drop in no head work?

Here's a pic of the springs on my 5.3L Absolute Heads:

Old 10-22-2003, 01:29 PM
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Default Re: Crane Cams Dual Valve Springs drop in no head work?

And here is the info straight from their page:

144832-16 LS-1 Performance hydraulic roller cams

O.D. - 1.275"
I.D.1 - 0.937"
I.D.2 - 0.667"
Damper - No
Seat Pressure - 112lbs at 1.800"
Open Pressure - 352 at 1.150"
Coil Bind - 1.045
Max Net Lift w/.060" clearance - .650"
Rate (lbs./in.) - 352lbs/in

http://www.cranecams.com/springs/dual.htm
Old 10-22-2003, 11:40 PM
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Default Re: Crane Cams Dual Valve Springs drop in no head work?

I've installed 2 sets with no problems.Just remember to install new valve seals.
Old 10-22-2003, 11:47 PM
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Default Re: Crane Cams Dual Valve Springs drop in no head work?

Thanks for all the great information guys




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