73-87chevytrucks.com

73-87 Chevy _ GMC Trucks => Engine/Drivetrain => Topic started by: markzepp820 on September 02, 2006, 11:29:00 am

Title: rockers
Post by: markzepp820 on September 02, 2006, 11:29:00 am
are stock 350 rocker arms a 1.5 ratio?



1979 C20 350

Title: Re: rockers
Post by: VileZambonie on September 02, 2006, 10:31:00 pm
Yes. A simple explanation of a rocker arm ratio can be looked at like this. Imagine the rocker arm is a seesaw. It's 1" long on one side and 1.5" long on the other side. The end result is a 1.5:1 ratio. Take your cam lift and multiply it by your rocker arm ratio and you have the valve lift.
Example:
Cam lift .300" x rocker ratio 1.50 = .450" valve lift.

I hope I didn't give too much information for your simple question. I drank 10  Carona's tonight :rollin  

Title: Re: rockers
Post by: 123 pugsy on September 03, 2006, 04:16:00 am
It shows. after 10 of em,I probably couldn't spell CORONA either.

Title: rockers
Post by: markzepp820 on September 03, 2006, 02:10:00 pm
thank you