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Compression reduction Ford Cougar 2,0l 16V & Mazda
1,5mm steel
Matching engine code letters: EDBA, EDBB, EDBC, EDBD, EDDB, EDDC, EDDD, EDDF, HMDA, NGA, NGB, NGC, NGD, YF, NGA, NGB, NGC, NGD
When converting to turbo or supercharger, the compression must be lowered, this can be done by means of special pistons or via an intermediate plate. This allows much higher boost pressures and power. The original pistons would not withstand the resulting temperatures under the normal compression ratios under "forced breathing".
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