Reply to "Identify rocker arm"

mike the snake (Guest)

quote:
Originally posted by PanteraDoug:
Some of the racers use various ratios on the arms to "fine tune" the hp and torque curves.

I've seen 1.65's on the exhausts and 1.8 on the intakes.

1.7's would be taking about 7 thousands off the normal lift (on a 605 lift cam)

On what would the 1.7's take .007" off the normal lift? Were the stock rockers higher than 1.7?

I thought 1.7 was kind of a high ratio, although I Have seen some rockers with numbers like 1.73. Is this what you're comparing against?

I'm not a Ford expert, but I thought stock rockers would be like 1.5 or something.

For the PO, would any 1.7 BB chevy rocker suffice then?

6/8/155:22 PM

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