Rocker Arms?? 1:1 vs 1:25

jr_vw2 · Post by **jr_vw2** » Sat Dec 17, 2005 3:35 am

Hey all I am building a 1915cc and I am running a engle 110 cam. If I put on a set of 1:25 ratio rockers will that be too much? Should i stick to the 1:10?? With the cam and to rockers will I have to notch the pistons because fo too much lift? thanks guys

newmanx59 · Post by **newmanx59** » Sat Dec 17, 2005 6:15 am

An Engle 110 with 1.25 rockers should not give you any valve to piston interference but it depends on your head "CC"s and deck height of the piston.

Gene-C · Post by **Gene-C** » Sat Dec 17, 2005 3:41 pm

A 110 cam with 1.25 rockers will also require dual valve springs......something to think about. A 1915 with a 110 and some properly setup 40's will scream in your buggy. There is a guy around here that has a 1915 with a single weber 40, 110, cam stock heads and it burns the tires through first and chirps them in second and third. Awesome!!! He also has a 4.375 ring and pinion swing axle. MURZ

desbuggy · Post by **desbuggy** » Sat Dec 17, 2005 8:09 pm

I have read over and over again that if you use ratio rockers, you should use a stock cam. I have not tried to mix the two so all I can tell is what I keep reading. I hope that I am not passing on the type of information that is rumor that just won't die. I'll bet there is some advice on the Berg website.

newmanx59 · Post by **newmanx59** » Sun Dec 18, 2005 12:53 am

The Engle W110 cam is designed by Engle to be used with stock or 1.25:1 rockers. As far as the Berg writings are concerned...you have to know how to seperate the sales pitch from actual fact and then take into consideration that the Berg writings are at least 10 years old and technology has surpassed many of Gene's cutting edge findings.