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Unread 05-04-2009, 08:48 AM
cterrebonne cterrebonne is offline
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Join Date: Nov 2007
Location: thibodaux, la
Posts: 1,293
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Quote:
Originally Posted by Steplift 72' View Post
I've ran into trouble with an anti-siphon valve where the motor would intermittently lose rpm and would shut down if the throttle wasn't pulled back. The motor was vapor locking apparently because the AS valve spring was too stiff. I believe this problem is more common during months where "winter gas" formulation is used by the refiners, especially in spring when the weather begins to warm up a little. That can be really dangerous to the powerhead to lean out at cruise speed.
thats why i dont run an A/S valve.
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