[DeTomaso] Ping Ping

[Arjun Ghosh-Dastidar]

Forced induction with heavy loads without intercooling is asking for
trouble. Put an intercooler on the car and you'll be fine.
 On Jan 7, 2014 5:56 PM, "Ken Green" <kenn_green at yahoo.com> wrote:

> Seems like water/alcohol injection is the easiest to add.
>
> Ken
>    *From:* LS <lashdeep at yahoo.com>
> *To:* Detomaso List <detomaso at poca.com>
> *Sent:* Tuesday, January 7, 2014 2:42 PM
> *Subject:* [DeTomaso] Ping Ping
>
>
>
> I don’t even like golf…but need some input.
>
> On long uphill (high load) sections of road, under moderate throttle
> openings and when the supercharger goes into positive boost, the engine
> starts to ping. This will happen only when in overdrive and with revs below
> 2000rpm.
>
> Vehicle : Laforza Magnum GT, 5300 lbs
>
> Engine : 5.0 HO with factory Kenne Bell supercharger, no intercooler and
> cast iron heads.
>
> Trans: AOD 4spd
>
> Fuel : 93 Octane
>
> Elevation : Sea Level up to 1000’
>
> Water Temp : Never exceeds 195F during the “situation”
>
> To remedy the situation, I have adjusted the trans to kickdown sooner and
> have also retarded timing. This has helped but not eliminated the problem.
>
> Any thoughts on permanent solutions?
>
> Aluminum heads? Intercooler?
>
> I’ve heard the full spectrum of ideas so I thought I’d post it here for
> discussion.
>
> I want loads of power (who doesn’t?) but I want to eliminate this problem
> ASAP so I can get many more decades out of this powertrain.
>
> Thanks,
> LS
>
>
>
>
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