<VV> Concerns on 889 cam.

[Raymond SmithJr.]

  The 4deg  cam retard helps top end performance , (moves the powerband up).
It was used in the 140 powerglide with 889 cam (95hp cam), in order to extend the rpm range of this cam . 
The use of the 889 cam in itself is what gives the 140 PG it's increased bottom end power. 






-----Original Message-----
>From: corvairs at pacifier.com
>Sent: Aug 5, 2010 7:56 PM
>To: Daniel Monasterio <dmonasterio at hotmail.com>
>Cc: VirtualVairs <virtualvairs at corvair.org>
>Subject: Re: <VV> Concerns on 889 cam.
>
>I don't think you "need" the 4 degree offset key, but it might help your
>low end a little. As for re-using, it's a judgement call. "The cam is the
>last thing to fall out of the engine", Bill Fisher. To me that would
>always be reason enough.....but i know you're not in a convenient
>location.
>
>Lon
>www.corvairunderground.com
>800-825-8247
>
>
>
>> I am planning on switching cams on my 67 cpe. with 140 HP engine. Changing
>> from 304 to 889 as I don't rev my engine over 3,600 rpm (usually) but
>> would like more low and mid range torque, my concerns are:
>>
>> 1.- Do it need the 4 degrees retarded crank ? (manual transmission).
>>
>> 2.- The good used 889 cam I have, shows lifts from 0.249" to 0.253"... is
>> it still a good one for street/road use or, should I get a new one ?
>>
>> Thanks...in advance.
>>
>> Daniel Monasterio
>>
>>
>>
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