Richard Sohn wrote:

I did a tear down of two 12A's and found that there were

different rotors

after I saw the balance weights.

One of the engines is supposedly a '84. Can someone

explain

that difference?

Does anybody have any good used 12A rotor housings for

sale?

Thanks  Richard.

snip

       Richard,
         If someone has not already answered your question

about

12A front balance

weights here is what info I have. From 1974 thru 1982 the

larger

one was used on 12A.

>From 1983 thru 1985 the smaller one was used. It is slightly

lighter in weight but has

more of its mass concentrated it the outer edge. Hope this

info

helps.

       Kelly Troyer

What are the displacements, weights of 10a,20b
and 13b's, Virg

20B 260 pounds  1950 CC
13B 190 pounds  1300 CC
10A ?????

Paul Lamar

        Thanks, Virg

 
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