928.Lee

Hi All,

Just a quick one - I have managed to secure an engine of Oct 1987 S4 (Euro) - how likely is this to be be one of the sweet spot early s4 engines with oil squiters and perfect compr ration for forced induction ?

Thanks ( newbie here ) but learning ....

FredR

With due respect if you have acquired a S4 motor your first area of concern should really be about the condition of the motor- if you have that covered already all well and good. If the crank end float is not as it should be then the condition of the rest of the engine is academic.

That squirter blocks get some people to go all ga ga is a fact but if they were so critical I doubt Porsche would have dropped them like they they did. Not sure what you mean by perfect compression ratio for forced induction- to my way of thinking that is somewhere around 8:1 and no S4 was built with such pistons. As I recall some slightly lower compression ratio pistons were fitted depending on the market they were made for but not the UK.

SwayBar

Take a picture of the stamped engine information by the water bridge, and post the information.

Squirter blocks are typically within a narrow range of lower serial numbers.

928.Lee

thanks for the reply, will do

928cs

An October 1987 S4 would be a 1988 MY so no squirter block. They were used only on 1987 MY, to my knowledge.

Bigfoot928

look when you take it apart. The head gaskets are toast, and you need to look at surface corrosion on the heads. The age of these engines is way past installing a used engine without opening it up. At least pull the pan and put a pan gasket, and check the thrust play.