Re: IML: 66 Imperial Camshaft Spec's

[FltSgt@xxxxxxx]

Marty

The original spec'd cam may not be found by Tuesday morning.  The # P4286675 
can be.  Sometimes this cam also shows up on ebay at a lower cost than what 
the local dealer may may have it priced at.

(  
http://search.ebay.com/440-camshaft_W0QQcatrefZC6QQcoactionZcompareQQcoentrypageZsearchQQcopagenumZ1QQfposZQ5AIPQ2fPostalQQfromZR10QQfsooZ1QQfsopZ1QQftrt
Z1QQftrvZ1QQsacatZQ2d1QQsadisZ200QQsargnZQ2d1QQsaslcZ2QQsbrftogZ1QQsofocusZunk
nown  )

Now that you have the original spec's, you can look around to see what is 
availiable and then talk it over about what you have found.  A good rule of the 
thumb is to keep the duration short and the lift as high for a good pulling 
street engine.

And yes I have heard the 413-426w and first series 440's have differant 
lifters and push rod sizes than the later ones.  Just state this to the counter/ 
phone person.

The (  
http://www.1aauto.com/1A/ExhaustManifolds/Dodge/PickupFullSize/PLP1390041/67559  ) exhaust manifolds are a secret horse power gain since they came 
out in 1972 for our 1959 to 1966 framed cars.  I would like to say that I am 
the first to realize this for our cars, but I'm not.  And yes the header down 
tube needs to be adjusted to fit by the local muffler shop.  I have these 
manifolds with an OEM 1968-1970 HP spec'd  set of mufflers under the rear seat area 
and 1970 Chrysler 300 spec'd resonator's by the gas tank.  For the 1963 413 
powered car I had them put in a "H" or cross pipe and five years later for the 
440 powered 1966 car I asked for an "X".  ( I had purchased four mufflers at 
the same time. )

I have a 1970 27' AirStream to pull so I thought of this as I as ah thinkin.

                       Uncle Rodger & Aunt Gabby
                                      Colo Spgs


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