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Old 12-16-2020, 08:19 PM
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Mike Davis Mike Davis is offline
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Join Date: Jun 2000
Location: Georgia
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Quote:
Originally Posted by Lee View Post
One more question: Has anyone checked the springs on the HR version? Is .580" actually the max lift these can (safely) handle? I'm guessing a 1.800" IH?
Below is the response I got from Speedmaster on the springs.
They were installed at 1.800. They checked around 165lbs on the seat.

Mike,
Below are the specifications of the springs:

Number of Springs Per Valve: Dual
Outside Diameter of Outer Spring (in): 1.450 in.
Coil Bind Height (in): 1.060 in.
Damper Spring Included: No
Spring Rate (lbs/in): 135lbs @ 1.900 in.
Inside Diameter of Outer Spring (in): 1.080 in.
Inside Diameter of Inner Spring (in): .834 in.

Thanks Speedmaster Products

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