To Camshaft or Not to Camshaft....

Vince Lupo · Post by **Vince Lupo** » Fri Oct 10, 2014 1:33 am

Now now now - let's not go crazy ;)

Just dropped big bucks on a Cappellini 6mm oil pump, so I need a bit of recovery!

G-Man · Post by **G-Man** » Fri Oct 10, 2014 3:15 am

HaHa

You'll need the extra horsepower to drive the bigger pump....... :-)

Power in hp = US gal/min X (lbf/in³)/1714

G

Vince Lupo · Post by **Vince Lupo** » Fri Oct 10, 2014 7:22 pm

Sorry, that mathematical formula is incomplete.

It should be: Power in hp = US gal/min X (lbf/in³)/1714 X $$$$³

Now it's correct.

G-Man · Post by **G-Man** » Sat Oct 11, 2014 1:38 am

:))

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teazer · Post by **teazer** » Sun Oct 12, 2014 12:17 am

G-Man wrote:The excitement begins.....

Big valves next Vince...?

http://www.gsvalves.co.uk/race-engine-components.html

I got some nice oversize valves from these guys....
G

Don't need them. I raced a 350 motor with big lumpy cam and modified CB350 pistons for years initially with oversized valves and later with a different head and stock sized valves. The latter head was much better. I'm sure it lost a little at the very top end but it came off corners so much better that lap times were lower.

I wouldn't even think about big valves on a street motor.

G-Man · Post by **G-Man** » Wed Oct 29, 2014 4:26 am

A bit late but here is another view of the Cams which LM requested. A bit difficult to get a good angle....

Now I've found the parts again, happy to take measurements, more photos etc....

G

MBellRacing · Post by **MBellRacing** » Thu May 07, 2015 3:25 pm

I wouldn't mind more info on this. Now that I have my other Hawk motor running, wouldn't mind building up something a bit more extreme... or as extreme as 305-350cc will allow.

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To Camshaft or Not to Camshaft....