[s-cars] MTM Stage 1+ AND Pinging AND Hot Weather....

Rob Pecsar rpecsar at pacbell.net
Thu Aug 15 00:23:33 EDT 2002


Igor,

Do you mean spraying water on the intercooler or water injection within the intake manifold. Any suggested off-the-shelf kits for the later?

Any Audi BTDT with alcohol injection? I've heard positive cost effective results in the Chevy V8 arena.

Rob Pecsar
'92 MTM 1+ with plenty o' ping on 91 octane SoCal gas

Igor Kessel wrote:

> Cody Payne wrote:
> >
> > Anyone else have this issue? Seems to be most common when my car has been sitting idle at a stop-light and/or parked for a short time letting the Intercooler get Heat-Soaked. If I step on the gas in say 2nd-3rd gear and get up to around 22-24PSI...ping ping ping....yikes detonation.
> >
> > Thoughts besides larger intercooler or letting car cool down (Air Intake Temps) before getting on the gas? Switch Chips?  RS2 EM make a difference with this issue?
>
> Yes, MTM 1+ has a somewhat aggressive timing map. Our cars need better
> intercoolers and/or water injection BIG TIME.
>
> --
> Igor Kessel
> two turbo quattros
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