I have the same cam in a 302 in my pickup truck. When I bought the truck it
had a
rough idle, as you described. I put a new Holley on the engine, and now it
idles
smoothly.
Also, changing the ignition timing smoothed the idle, somewhat.
Steve Sorenson
MWood24020@aol.com wrote:
> In a message dated 98-08-27 08:41:18 EDT, you write:
>
> << Consider swapping out the cam in that thing; I ignored a warning to do
> so
> >> and
> >> _sometimes_ regret it.
> >Why?
>
> It's a pretty aggressive cam (and, I suspect, a light flywheel, too). The
> idle is so rough, the whole car shakes; it seems the car is stressed out
> (thus, so am I) just sitting there. >>
> If your 302 came with a B303 installed, which I suspect is the case, I am very
> surprised to hear your dissatisfaction. The B303 is not an overly aggressive
> cam, being very close to a marine grind. This cam is meant to provide a very
> fat, flat powerband from 1800-4800 rpm and is really all done by 5800. It
> doesn't have tons of duration, so I'm not sure where your very rough idle is
> coming from.
> I run the same cam in my 302, and it just ticks over at 600-700rpm with a very
> mild lope. Of course, I may be wrong in assuming you have the B303, but if it
> is the cam installed by Ford SVO originally, that's what it should be.
> Mike Wood
> B382002273
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