<VV> Concerns on 889 cam.

[corvairs at pacifier.com]

Raymond - You are of course correct. I got it backwards for whatever
reason....Lon

>
>
>   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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>>
>>
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