[DeTomaso] Roller Cam

Jeff Detrich jjdetrich at gmail.com
Sun Mar 3 17:18:48 EST 2013


I should have been more specific, I meant hydraulic lifters.  Thanks for
the good info.

Jeff
6559

On Sun, Mar 3, 2013 at 10:42 AM, bill gaino <gaino at earthlink.net> wrote:

> There are many things to consider. Most roller cams don't need all the oil
> that a hydronic cam needs to pump up lifters,and they plug or reduce the
> oil flow to the lifter bores. Roller cams are often used in applications
> like drag racing, they can have a steep lift making the valves open faster.
> Solid roller may not be a good chice for street. I run a hydronic roller in
> my 408 and it is well mannered at lower rpm but all hell breaks loose at
> 4000. I can send you my cam specs if you like. As far as rockers, they need
> to be able to handle any extra lift and have the correct geometry, but I
> don't think that a roller cam requires a specialized rocker. I'm sure Dan
> Would know a hellofalot more. Bill 1362
>
>
> -----Original Message-----
> >From: Jeff Detrich <jjdetrich at gmail.com>
> >Sent: Mar 3, 2013 10:44 AM
> >To: "detomaso at poca.com" <detomaso at poca.com>
> >Subject: [DeTomaso] Roller Cam
> >
> >I have roller rockers in Aussie 2V heads and am interested in upgrading to
> >a roller cam. Do some require machining of the block and others not? Does
> >the car need retuning after the conversion? Will roller rockers change the
> >specs for the cam or should I keep the same specs of what's in there now?
> >Is there anything else I should do at the same time? Any suggestions would
> >be appreciated, thanks.
> >
> >Jeff
> >6559
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>
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