Re: [Amc-list] Rambler six comma fast

[Ken Ames <ameskg@xxxxxxxxx>]

I've seen both 3.41 and 3.44 for the bore

Assuming 3.875" bore, possibilities are:

3.41 = 241.29  3954.0cc
3.44 = 243.41  3988.8cc
3.4140625 = 241.58  3958.7cc  (53/128ths)
3.4375 = 243.24  3985.9cc      (7/16ths)

Blueprinting specs should tell what the number really should be.

Ken 

Quoting Frank Swygert <farna@xxxxxxx>:

> 
> Standard bore is indeed 3.875"! Most pubs round it up to 3.88", 
> including Chrysler's/Jeep's. The metric specs are rounded to a single 
> decimal -- 98.4mm x 87.4mm -- which comes out to 3.87401575" x 
> 3.44094488", so you're correct in surmising the stroke is close to 
> 3-7/16". 3.4375" is 87.3125 mm, so it's a bit larger than 3-7/16", but 
> not 3-1/2" (88.9 mm). 3-31/64" seems to be about right in English 
> fractional units...
> 
> ------------
> Date: Thu, 14 Aug 2008 13:56:23 -0400 (EDT)
> From: adh@xxxxxxxxxxxxxxxxx (Sandwich Maker)
> 
> I still wonder if the 4.0 isn't -really- 3 7/8" x 3 7/16" - 3.875" x 3.4375"
> 
> 
> -- 
> Frank Swygert
> Publisher, "American Motors Cars" 
> Magazine (AMC)
> For all AMC enthusiasts
> http://farna.home.att.net/AMC.html
> (free download available!)
> 
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