This is a post from the Ram truck mailing list.
Hmmm....... this is sure to scare up some discussion.
John
http://jndneff.home.texas.net/dakota/dakota.html
> Remember the posts where Ram/Dakota owners complained that the
installation of
> 1.7 ratio roller rocker sets didn't seem to give them any horsepower gain?
>
> Here's a post where a fairly well known western USA small block mopar
engine
> builder claims he actually measured the ratio of the stock Magnum engine
> 'plain jane' rocker arms and found them to be 1.74 ratio instead of the
> 'advertised' spec of 1.60 ratio.
>
> Maybe that explains why no measureable gains where seen when the
aftermarket
> 1.70 ratio rollers were installed?
>
> http://www.moparts.org/ubb/Forum1/HTML/022827.html
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