magnum 360 300hp crate specs

YY1 said

Is that a dual pattern cam?

.433 with 1.6 rockers?

Interesting info.

I wonder how much is identical to a factory 5.9.

IIRC advertized compression was 8.5:1

Click to expand...

195/195 @50
measured lobe lift .261/.261
measured .433/.433 lift at valve
when you do the math my real world rocker ratio is 1.66

The only difference I see from a factory 5.9 is the long snout roller cam and double roller timing chain.

I stopped by the machine shop today and the spring specs are:
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