Bernd and Dave are right nana na nana :)-
"Bernd D. Ratsch" wrote:
> The chances of it happening at TDC is very slim. And on a consistent basis
> even more slim. Pinging...Knock...PreIgnition...or whatever you'd like to
> call it, has been breaking engines (blowing holes in pistons) since day
> one. Why do you think the manufacturers put Knock Sensors on some of their
> engines (not Dodge in particular either...they really don't use them). Why
> do you think that the old Vacuum Advance backed off when you stepped on the
> throttle (and not just because the vacuum dropped to 0 either). Why do you
> think that on the old "Hot Rods" the slogan was "Advance it until it pings
> and then back it off a few degrees.
>
> Automotive experience is a plus on understanding what Preignition is...but
> claiming that it's actually good is just ignorance.
>
> $0.02
>
> - Bernd
>
> -----Original Message-----
> From: owner-dakota-truck@buffnet.net
> To: dakota-truck@buffnet.net
> Subject: Re: DML: Re: Ping and Rattle problems
>
> I dont know where you read that pinging only occurs on the compression
> stroke, but you're wrong. In fact, auto ignition can occur anywhere in the
> piston's travels. It's actually very much welcome if it occurs around TDC
> because you get that extra energy in a constant volume situation. So to say
> pinging is not good period, you're absolutely wrong.
This archive was generated by hypermail 2b29 : Fri Jun 20 2003 - 12:18:34 EDT