Re: mopar perfomance camshaft P4120243 for a Slant Six??

[Doug Ahern <D170A833@xxxxxxxxxxxxxxxxxxx>]

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On 22 02/07/05, Menko Johnson wrote:
> I had been looking at the mopar performance camshaft P4120243 which is
> supposed to have 244 duration and .436" of lift.  I'm not sure this is
> that much better than stock.  It is however a little tamer than the
> isky or comp cams 252.  Can anyone help me out here with experience
> and recommendations?

About 4 years ago, I did some work on the 170cid slant six that powers
my daily driver 64 Dart.  Like you, I was on a tight budget so I focused
my dollars on some machine shop time to bump the compression, and 
on the replacement of the factory donk-stick camshaft.  the head was 
milled so that compression  was raised to about 9:1, and the 244 dur. MP cam.
was installed  (I stayed with the original 1bbl carb. & points ignition).
With a 3.23 rear and a regular A-833,  the car makes good power,  gets 
decent mpg's, and is very streetable.  it torques its best between 
2000rpm-3000rpm.

The MP 244 dur. cam has a similar profile to the 1971-1977 stock cam
(PN 3512639 244 deg. dur., 26 deg.  overlap, lift of .406" Int. lift
.414" Ex. lift) expect the stock cam has less lift and is retarded 
several degrees.  Personally, I love the P4120243 grind.  It is very 
streetable, and works well with a 1bbl.  the 170 revs fast and revs high.

at the time that I bought the cam, the supply of this cam was drying 
up.  If I built another street slant six, if I couldn't find the 
MP cam, I'd call a cam manufacturer and get 'em to grind a similar 
profile camshaft.  Do yourself and your Lancer a big favor and bump 
the compression by milling the head!!  after that, look at getting a 
3.23 if you've got a 2.94, and consider rounding up some kind of 4spd 
somewhere down the line.

Doug

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