Paul,
1. Sure, you can replace the timing gear w/o replacing the crank gear,
unless it is worn also, which is not likely since the fiber cam gear is much
softer. I have done it.
2. Aluminum gear will be a bit noisier, but last much longer. I have done
it.
3. The stock cam will give you the best low end torque. With a little
hotter cam you will probably sacrifice a little bit of low end torque for a
decent increase in power above about 2500 rpm or so. The 235 in my 56 3200
(stock intake/exhaust/carb)has a cam similiar to the Blue Flame cam which
came in the early Corvettes and I can't say as I noticed much difference in
the low end, but it does do better at higher rpm's. With the 55 235 I am
building I am going with a Clifford 256 cam as I will be using a Clifford
water-jacketed intake, Carter 4 barrel from a 54 Buick, and Fenton Headers.
Mike
> -----Original Message-----
> From: Hudson29@aol.com [mailto:Hudson29@aol.com]
> Sent: Wednesday, July 21, 1999 12:03 PM
> To: oletrucks@autox.team.net
> Subject: [oletrucks] 235 Timing Gear and Cam
>
>
> Thanks to Allen's excellent reply to my recent
> questions regarding my
> '59 235 project, I have begun to think about perhaps
> replacing my timing
> gears. A couple of more questions have presented themselves.
>
> 1. Can the fiber cam gear be replaced without replacing
> the crank
> gear?
>
> 2. What can be gained or lost by going to aluminum
> gear/gears such as
> those sold by Patrick's?
>
> 3. Since the motor is going to come apart this far, . .
> . should I
> consider some sort of "RV" or "Driver" cam, assuming
> such things exist? At
> this point, I have no plans to alter the stock carbie
> or exhaust manifold.
> I am looking for a sweet running truck motor, not a racer.
>
> Paul O'Neil, Hudson29@aol.com
> 1951 Chevrolet 3600 Pickup Project, See it at:
> The Poor Man's Advanced Design Tech Tips Page
> http://home.earthlink.net/~conntest47/
> Fullerton, California USA
> AEROMARK - Need Rubber Stamps or Signs? See:
> http://hometown.aol.com/hudson29/myhomepage/index.html
> oletrucks is devoted to Chevy and GM trucks built between
> 1941 and 1959
>
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