[Shotimes] how to change cams?

[Kevin & Cheryl Airth]

I also want to hear from anyone who installed the lower gear ratio set in
their ATX? Any performance numbers?
.
.




> Being a fellow ATXer, I don't think you would want your torque to be any
> higher in the RPM range.  I am waiting to see how that guy makes out who
put
> an M90 on his motor so I can get more low end torque in mine.  Not having
> that extra gear to overcome the low torque numbers these motors produce
> definitely kills the ATX.
>
> Speaking of the M90, guy has there been any updates yet?
>
> -A.J.
>

>
> I don't know the differences in the numbers between the two, but in
> general more lift & duration will move the torque peak higher in the RPM
> band. So as long as the slight low-end loss isn't an issue for you, no
> worries.
>
> With regard to the cam swap, Zach's post was spot on. You'll prolly
> want to check your shims while you're in there. There is a good drawing
> of the cam sprocket orientation in the Helms, but basically the dots
> line up with the white marks (which were very hard to see on my chains),
> and they all line up across the face of the head where the valvecover
> seals.
>
> Justin
> parted 92 - need something?
>
> >>> Jason Hartberger <at3hartberger@mail.com> 02/18 2:44 PM >>>
> I was under the impression that swapping out MTX cams for the ATX cams
>
> (intake) would yield better power? The MTX cams give greater lift... so
>
> how would this not be a good upgrade? I'm genuinely curious... I mean,
> I
> didn't spend a whole lot on these cams so I'm not *too* worried, but I
>
> need to do a 60K anyway, I figured this would be a good excuse to get a
>
> *little* more power out of it... and don't worry, I won't be getting
> new
> tensioners.
>
> Jason
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