hi all new to the site come to read for ideas currently got a 172 full fat but been a fan of the little buggars for years had 3 1.8 16v (arches went on all 3 ha) and 172 cup before this one never had any trouble with them but this ones got me stumped ! tried 2 coil packs and still cant get it to rev beyond 5k and getting backfires gona change plugs leads and new pack at weekend hopefully sorts it