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[2woody]

2woody delivered !

The Vectra GSi had the A and G combination for 197 BHP from a 2.5. BUT - this also has a unique control unit. No-one knows how much extra power if any the G cams give if used in isolation.

as usual for these - if you don't have an ECU that you can adjust, then you won't have any improvement.

personally, I'd go straight to the 3.2 - its already got 60 more horsepower.

...... and yes, my 5.7 Holden is very much more economical thas any of my Omegas.

[feeutfo]

2woody delivered !

The Vectra GSi had the A and G combination for 197 BHP from a 2.5. BUT - this also has a unique control unit. No-one knows how much extra power if any the G cams give if used in isolation.

as usual for these - if you don't have an ECU that you can adjust, then you won't have any improvement.

personally, I'd go straight to the 3.2 - its already got 60 more horsepower.

...... and yes, my 5.7 Holden is very much more economical thas any of my Omegas.

Just in case anybody missed it. That's MORE economy FROM almost TWICE the capacity and power. ...and very similar weight. 

[2woody]

lighter, actually !

[feeutfo]

...which begs the question why the omega is so poor on fuel.

[05omegav6]

Gravity, gearing and emissions regs at a guess

[2woody]

gearing definitely

and emissions regs, too

its not a particularly heavy car, tho. lighter for instance than a Golf

[05omegav6]

gearing definitely

and emissions regs, too

its not a particularly heavy car, tho. lighter for instance than a Golf

I knew Golfs were getting fat, just didn't realise they were obese

[cem_devecioglu]

2woody delivered !

The Vectra GSi had the A and G combination for 197 BHP from a 2.5. BUT - this also has a unique control unit. No-one knows how much extra power if any the G cams give if used in isolation.

as usual for these - if you don't have an ECU that you can adjust, then you won't have any improvement.

personally, I'd go straight to the 3.2 - its already got 60 more horsepower.

...... and yes, my 5.7 Holden is very much more economical thas any of my Omegas.

 
 
 
buying a 3.2 is a straight solution in UK.. but car prices different here.. besides even dropping another engine in requires too much paperwork (except mechanical) so shortest route for here is playing with the bore-stroke and crank..