Hello,

I have a 90' 300CE with Turbo Technics kit installed recently. The EZL ignition remained untouched, but the car will not rev past 5000rpm, and it loses all its power at this point. I have checked the fuel delivery with my wideband lambda, and the air/fuel ratio is very good @ 5k (11.5:1). Despite this there is absolutely no power over 5000rpm. Any suggestions?

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Martin H.
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90' 300CE-TT (Turbo Technics)
89' 230E-T Widebody (Mosselman)