In reference to an article in total vauxhall this month, a guy wrote in looking for advice to get extra power from his calibra 2.0 8v. He dis-missed turbo, and asked advise on superchargers and any other engine mods. The reply was that a supercharger would cost around the £4000 mark, then went on to add it would be worth looking at turbo charging, as would give the same if not more power and torque than the supercharger.He also said the turbo would be HALF THE PRICE. Is this just the pricing guide for the calibra 8v or the conversion be similar for other cars?
Does each engine require a different turbo/supercharger or is it the case of adapting the engine to fit the turbo/supercharger?
I am especially interested in the modification for my 2.2 ecotec engine in the astra coupe.
For a turbo, you 'adapt' the exhaust manifold to make it fit.
For a supercharger, you need somewhere to fit the thing where it can still be run from the main belt (aux belt) on the engine.
This usually means an additional bracket somewhere, along with some extra air trunking up to your throttle body (well, that's how mine works anyway).
If you're going for a supercharger, go for a twin screw type, not a centrifugal type one.
I think it may be easier to extract further power (on top of the original amount) from a turbo than it would a supercharger, though superchargers sound great.