LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Hot Cam spring pressure

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Old 11-21-2003, 08:32 AM
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Hot Cam spring pressure

Anybody happen to know what the open and closed spring pressure is for the Hot Cam springs?
Thanks, Rick
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Old 11-21-2003, 01:14 PM
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I believe they are 105 lbs at the seat and 280 open. The Hot cam springs barely work for the Hot Cam and they are VERY close to coil bind. I would rather have more seat pressure but there is no room since coil bind is so close anyway.

I would recommend the Combination Motorsport (702-798-8504) 612 springs. they are $80 for spring, retainers and locks. They require no machining and will have about 130 on the seat and about 330 open. they can handle quite a bit more lift as well (.570 to .580 depending on set up ht.).

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