[DeTomaso] Roller Cam

[dave londry]

I put Crane-style hydraulics (made by Gaterman and well-priced) into a 
377C and needed no machine work.
I have a custom Bullet roller, done with a lot of help from Dan, and it 
really, really works.
My timing hasn't changed and I haven't done a good A/F check yet, but it 
seems close.
I did need a lot of improvement in the exhaust system (2 1/2" minimum 
path) to get it right though.
dave

On 03/03/2013 8:42 AM, bill gaino 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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