Timing advance ?'s

Old 12-12-2001, 01:29 PM
Perfect Choice Motorsports
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Post Timing advance ?'s

Anyone out there running a aftermarket programmable ignition system?

I need to know where your starting point is for the base timing and to what total advance you go for 12 psi of boost?

We are running a T3 turbo with a compressor side A/R of .60 from a SVO and a .45 A/R turbine from a SAAB.

This car is a GRM $2002 challenge car. 1984 Porsche 944 with the above turbo conversion and huge front mounted IC.

PS new to Rennlist
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Old 12-12-2001, 02:02 PM
Russ Murphy
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Neato! What a cool project. I have an old
4000cs Quattro that I'd like to prep for the GRM Challenge given the time.

Try this link. Sample fuel/ign. maps for similar displacement/boost turbo motors. SDS sample fuel maps
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