Tony a mate of mine owns carburettor reconditioners in Penrose, he may have
something for you; 5705607, Mike's his name, he race's with me at meremere,
and is a good guy, he even has a fully reco'd set of su's there for sale.
Craig
----- Original Message -----
From: "Tony Bryant" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, May 04, 2002 12:29 AM
Subject: Re: Cam grinds
>
> > #1 Unknown origin (200B I think): reground 290/280 degree
> > 115 overlap .500" valve lift (a wild theory cam). Pulls _very_ hard
around
> > 4500 but falls flat on its face around 6200. No markings at all.
> >
> > #2 An original '71 L16 210 cam. "A" grind. 31.3mm base circle, approx
> > 7mm lift. This is the one in my street car. Pulls hard down low but
chokes
> > above 5500.
> >
> > #3 A 200B U20 "B" grind. 33mm base circle, 7mm lift. No idea how it goes
> >
> > #4 Another U20 "B" grind from a '73 610SSS (is this the original cam?).
> > Identical base circle and lift to #3. Again no idea how this goes
either.
> >
> > #5 A 210 "C SSS" grind, thats been reground to 36/72 74/34 with barely
> > above stock lift. 30.5mm base circle.
>
>
> OK, I gave in, I've just put the #5 cam in, and the #2 cam is now sitting
on
> the bench.
>
> I haven't yet tuned it up, and its got some major fuelling problems above
> 4500RPM, but it pulls much harder now from when it comes on about 3500.
> Pretty much dead below 2500.
>
> The #2 cam didn't "come on" at all, it just pulled hard to about 4300,
then
> started choking. Definitely a stump puller. Never bothered to rev it much
> above 5000 since it was pointless.
>
> This cam however shows definite potential - with correct fuelling.
>
> BTW my engine is a bored L16 with a ported A87 head, 10.5:1 CR and flattop
> SUs.
>
> So to get the revs I deserve I need to fix my SUs. Anybody in Auckland
have
> any thinner needles I can try?
>
>
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