27-10-2014, 12:34 PM
No you can't use a GTi-6 (or any other 16v) inlet or exhaust manifold on the 2.0 8v engine.
Inlet port shape is different to the 205 1.6/1.9 GTi engines too, so you're limited in off the shelf parts for that.
I don't know how well the standard management copes with modifications, but the standard cam is very mild so a hotter one (even standard 205 GTi) would help.
The basic 2.0 8v head is actually quite good (by 8v standards) and has bigger valves and flows better than the 1.6/1.9 GTi heads, and obviously it's coupled to a higher capacity bottom end with the torque improvements that should bring - yet in standard form it's held back by the cam and induction side of things (exhaust manifold isn't great but it's the same as a 205 GTi one)
That said, whilst you don't want to hear it, the easiest and cheapest route for considerable power increase is to swap the engine to a 16v unit.
Inlet port shape is different to the 205 1.6/1.9 GTi engines too, so you're limited in off the shelf parts for that.
I don't know how well the standard management copes with modifications, but the standard cam is very mild so a hotter one (even standard 205 GTi) would help.
The basic 2.0 8v head is actually quite good (by 8v standards) and has bigger valves and flows better than the 1.6/1.9 GTi heads, and obviously it's coupled to a higher capacity bottom end with the torque improvements that should bring - yet in standard form it's held back by the cam and induction side of things (exhaust manifold isn't great but it's the same as a 205 GTi one)
That said, whilst you don't want to hear it, the easiest and cheapest route for considerable power increase is to swap the engine to a 16v unit.
1990 Peugeot 205 GTi 1.9 // 1991 Peugeot 205 GTi 1.9 16v // 1992 Peugeot 205 GTi 1.9 // 1999 Peugeot 306 HDi Estate