[DeTomaso] Brian Hill's 410 cubic inch cast iron Cleveland on the dyno

[Daniel C Jones]

> Dan, I've got this nagging question about the Dynomation software you
> are using. - does it help calculate what the advance curve should be in the
> distributor?

Yes it does.  You select the combustion chamber style from a menu,
along with the bore, stroke, static compression ratio, cam specs, etc.
which determine the dynamic compression ratio and it adjusts the
baseline curve for the combustion chamber style.  However, it doesn't
know whether the combustion chamber is aluminum or iron.  I generally
allow the program to compute the ideal advance curve while designing
cams and only use a real spark curve when I trying to match dyno data.
 I've not tried to see how close to reality the predicted spark curve
is to what we find on the dyno.

Dan Jones

On Thu, Feb 6, 2014 at 9:29 PM, Asa Jay Laughton <asajay at asajay.com> wrote:
> This report (in my opinion) is awesome.
> I just picked up another set of 4V quench heads, cast iron, original.
> My plan for the next engine I build was for a stroker.  This gives me
> every confidence that I can use the cast iron heads if I so choose and
> still should be able to hit the 500 HP range.
>
> Dan, I've got this nagging question about the Dynomation software you
> are using.
>
> - does it help calculate what the advance curve should be in the
> distributor?
>
> Asa  Jay
>
>
> Asa Jay Laughton, MSgt, USAFR, Retired
> & Shelley Marie
> Spokane, WA
> ******************************
> http://www.racingagainstautism.com
> http://www.teampanteraracing.com
> http://facebook.com/racingagainstautism
>
>
> On 2/6/2014 9:22 AM, Daniel C Jones wrote:
>> The odometer on Brian Hill's 1971 Pantera showed 60K miles but its 351
>> Cleveland was burning some oil.  The history of the engine was unknown
>> and Brian wanted more power anyway so it was decided to build a
>> stroker Cleveland.
>
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