Re: Engine Questions

[Ken Ames <amesk@xxxxxxxxxxxxxxxxxxxxxx>]

Original 343 cam was the standard AMC8 266 degrees in and out - .265" lift at
the lobe. 
 
Ken Ames

Quoting piper_pa20 <piper_pa20@xxxxxxxxxxx>:

> I am working on two projects now.  Besides putting my 73 Javelin back 
> together, I'm building up an NOS 343 short block for my 69 AMX.   I got the 
> heads (090 casting) back from the shop today.  BTW, the shop had a set of 
> the new Edlebrock aluminum heads so I got to see them for the first time.  I
> 
> passed along the info I got here on the list about the valve springs being 
> too strong for proper cam breakin.  I don't know if it will do any good, but
> 
> the machinists there seem very concientious and the recognize me as an AMC 
> guy.
> 
> Anyway, the NOS short block is a 3195528 casting service replacement block 
> (with the 360 ground off the  block).  It has been converted to 7/16 head 
> bolts with what appear to be threaded inserts.  If I could remove these I 
> would use 1/2 inch head bolts, but I have not yet attempted it.
> 
> Questions:
> The pistons are marked with A, B, C, or D with grease pencil.  Would this be
> 
> a  weight designation?
> 
> What are the specs for the stock cam (343 with flat top cast pistons)?  I 
> have an original Sig Erson cam and will use it if it will enhance 
> performance.
> 
> Thanks,
> Joe Fulton
> Salinas, CA
> 
> 
> 
> 
> 
> 


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