engine specs

sorry if this has been covered already but i was wondering if anyone could either post here or pm me the s1 engine specs,differences between 177 and 190,explanations of vhpd etc please.
anything you can think of or thats useful
thanks guys
Dean

If I were to buy another, i’d go for the 177 or 190. If the following arn’t fitted i’d fit an Emerald, cooler thermostat and get the piper pullies fitted and set up by Dave Andrews. Next i’d pass it on to Dave Walker for mapping. So don’t worry if your buying a 177 or 190.