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

[Mike Thomas]

-----Original Message-----
From: Mike Thomas [mailto:mbefthomas at comcast.net] 
Sent: Wednesday, January 06, 2010 4:30 PM
To: 'Asa Jay Laughton'
Subject: RE: [DeTomaso] POLL: Are you running a Roller Cam in your 351C?

Comp Cams retro roller here in my 381 stroked Cleveland.

Mike Thomas
74 L 6328 

-----Original Message-----
From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
Behalf Of Asa Jay Laughton
Sent: Wednesday, January 06, 2010 1:30 PM
To: detomaso at realbig.com
Subject: [DeTomaso] POLL: Are you running a Roller Cam in your 351C?

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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