[DeTomaso] POLL: Are you running a Roller Cam in your 351C?

Thomas Tornblom Thomas.Tornblom at Hax.SE
Wed Jan 6 16:50:32 EST 2010


Crane hyd roller, timing gear with roller bearing to keep the cam in  
place.



6 jan 2010 kl. 22.37 skrev "Jørn C. Olsen" <joernco at online.no>:

> Comp Cams solid roller in my 408 Fontana!
>
> J.C.
>
> -----Opprinnelig melding-----
> Fra: detomaso-bounces at realbig.com [mailto:detomaso- 
> bounces at realbig.com] På
> vegne av Kirby Schrader
> Sendt: 6. januar 2010 22:36
> Til: Asa Jay Laughton
> Kopi: detomaso at realbig.com
> Emne: Re: [DeTomaso] POLL: Are you running a Roller Cam in your 351C?
>
> My hand is up.
> Crane hydraulic roller
>
> On Wed, Jan 6, 2010 at 3:30 PM, Asa Jay Laughton <asajay at asajay.com>  
> wrote:
>
>> Just interested in how many of just the folks on this forum (never
>> mind all Pantera owners in general) who are running a roller cam in
>> their 351C powered Pantera.
>>
>> Please raise your hand.
>>
>> Curious,
>> Asa Jay
>>
>> Quoting jderyke at aol.com:
>>
>>> In a message dated 1/5/10 3:39:46 PM, hemipanter at hemipanter.se  
>>> writes:
>>>
>>>> Hav not been very much talk about "cam walk" on this board....
>>>>
>>> Thats likely because it doesn't affect pushrod Fords with their  
>>> stock
>> front
>>> cam retainer plate, not used by GM until the LS-series engines  
>>> copied
>> that
>>> from Ford as well.  And the modular Fords don't have any such  
>>> problems.
>> On
>>> rare occasions a pushrod Ford retainer plate will wear and allow  
>>> some
> cam
>>> movement, as happened a year or so ago to Jorn Olsen in Norway  
>>> with his
>> hot
>>> Fontana, but its not generally the problem it is with other brands
>>> of engines.
>>> New hardened plates in several designs- including roller thrust  
>>> bearing
>>> types- are still available from Ford.
>>>
>>> Plus, cam walk is more of a problem when running roller cams  
>>> rather than
>> on
>>> flat-tappet, and roller cams don't seem to be that popular in 351-C
>> street
>>> cars nowadays. I only know of a few out of hundreds of U.S Panteras.
>>> Possibly because -A- roller cams are steel and -B- 351-Cs have
>>> enough trouble with
>>> stock distributor drive gears on iron cams. Steel cams require steel
>> gears;
>>> the prime source of good steel drive gears was Crane, and supplies  
>>> of
>> gears
>>> from the new owners of Crane Cams are reportedly irregular. I  
>>> haven't
>> heard
>>> much about droves of Cleveland owners looking for roller cams these
> days.
>>> Doesn't your Hemi use a front cam retainer to hold things in  
>>> position?
>> It's
>>> been too long since I did anything with 426 Hemis.... J Deryke
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