Quote:

tex013:
all my info shows 265 but ?
i think i will need at least 258/260@050 to see a real gain.
Tex



With that 5100 flash rpm, you have enough converter to run the 590.
If you do run one, I would install it advanced to at least 102° and probably start at 100°

Read the posts by VernMotor and 572Charger.
https://board.moparts.org/ubbthreads/show...amp;Search=true

Here is a post on the actual measurements of the MP 590
https://board.moparts.org/ubbthreads/show...amp;Search=true

Quote:

440Jim:
In addition to the actual duration at 0.050", this is what Dwayne Porter measured on one a few years ago.

MP .590 cam, actual measurements-
DUR. @
.020=303.5
.050=270.5
.100=235.0
.150=205.0
.200=177.0
.250=148.5
.300=117.0
.350=76.0
lobe [Email]lift@TDC[/Email] @105 ICL=.140
LSA 106