Hiya mate...
Your Golf 1600 Drivers standard output should be
75 BHP.
I know coz I used to have one, but I reckon mine was down on power due to the crappy standard Pierburg 2E2 Carb. This type of carb is well known for going out of tune easily with the feeling of flat spots under hard acceleartion.
Your much better of fitting a direct replacement webber carburettor as available for around ?164.00 from German and Swedish Car parts. Part no: 18114 for a manual car.
It will give u better fuel economy, driveabilty and most of all, performance! It should give u more torque than raw horsepower but still worht it.
I have fitted one to my 1990 mk2 1.8 GL and it makes sooo much difference.
There is no point in going to the trouble of ram air and a cold air filter without the webber carb as you will still have the standard unreliable version, and will not achieve your planned modifications true potential.
Any other questions, give us a shout.
good luck dude.
From Nav
