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Ol' Ron · 10-13-2015, 03:40 PM

Too soon old, too late smart. The more I learn about camshafts, the less I know about camshafts. Back in the 60's we ran the 404 with the double spring package. Instolation was a bitch. and the engine ran OK for a while untill one of the lifters gave up and we switched to a 400jr. Which ran much better. However we eat up a few lifters here as well. We were running 85 lbs of spring pressure as reccomended by some expert?? after that fix dropping the installed spring pressure to 65 lbs the cam and lifters lasted several seasons untill we switch ed to a Sig Errson cam. Learned allot the hard way. Nut I still say, The air pressure in the right fron and a great driver is all you need on a short track.

10-13-2015, 03:40 PM	#16
Ol' Ron Senior Member Join Date: May 2010 Location: Chester Vt Posts: 8,876	Re: Flathead Cam Weber F7RS Too soon old, too late smart. The more I learn about camshafts, the less I know about camshafts. Back in the 60's we ran the 404 with the double spring package. Instolation was a bitch. and the engine ran OK for a while untill one of the lifters gave up and we switched to a 400jr. Which ran much better. However we eat up a few lifters here as well. We were running 85 lbs of spring pressure as reccomended by some expert?? after that fix dropping the installed spring pressure to 65 lbs the cam and lifters lasted several seasons untill we switch ed to a Sig Errson cam. Learned allot the hard way. Nut I still say, The air pressure in the right fron and a great driver is all you need on a short track.