[DeTomaso] Crane cam 520341

[Kirby Schrader]

Well, I've always used this to help me towards a marginal  
understanding....

http://www.compcams.com/Technical/FAQ/LSAproperties.asp



On 18 Nov 2008, at 5:35 PM, Charles Engles wrote:

> Dear Dan,
>
>
>              I am dazzled by your comments and recommendations for  
> exhaust
> systems and cams in relation to each other.    Based on your
> recommendations, then the more stock or restrictive the exhaust  
> system, the
> more the LSA should tend toward 110.   Conversely, the more the  
> exhaust
> system approaches open headers, then an LSA close to 105 is better.
>
>             Dumb question:  is there a reference for this?   It is  
> very
> interesting.
>
>
>
>                           Warmest regards,  Chuck Engles
>
>
>
>
>
> ----- Original Message -----
> From: "Daniel C Jones" <daniel.c.jones2 at gmail.com>
> To: "DeTomaso Forum" <detomaso at realbig.com>
> Sent: Tuesday, November 18, 2008 12:33 PM
> Subject: Re: [DeTomaso] Crane cam 520341
>
>
>> If you stay with restrictive exhaust, don't run 106 LSA.
>> 108 or 109 would be better.
>>
>> Dan Jones
>>
>>
>> On Mon, Nov 17, 2008 at 8:19 PM, Barry Seib <oldwheel at mts.net> wrote:
>>> Daniel C Jones wrote:
>>> What is your compression ratio?
>>>> 10.5 :1
>>> What sort of exhaust do you have?
>>>> Stock at present. Considering changes.
>>> With 106 degrees LSA, you need a really efficient exhaust.  The
>>> mufflers in particular need to have very little backpressure.
>>>> I 'd be a little reluctant to get too loud with the mufflers (for  
>>>> long
>>> trips).
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