In a message dated 10/28/99 11:38:27 AM Pacific Daylight Time,
trks@javanet.com writes:
> This is my second attempt at installing a heat riser spring on the
> manifold heat valve of my 235. Same problem I had before, now on my
> Corvette dual exhaust with Offy intake. The spring never relaxes enough
> to let the valve open all the way. Eventually it will get so hot the
> engine starts pinging and I unhook the spring. I would really like to
> use it as with the onset of cold weather I noticed I lost about 2 MPG.
> Also makes the engine perform better until it gets too hot. Any ideas?
>
> Thanks,
> Grant 50 3100
>
Could you fashion a choke cable to it?
Mike
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