dla krolika krecącego 12 tys rpm

[Mav309]

FLYWHEEL
The flywheel takes a larger clutch than the 8v one and is a popular fitment for highly tuned 205s. At 6.5kg it's pretty light already compared to many other vehicles. Peugeot used a high quality iron and fairly thin sections to keep the weight down. It can be lightened further to about 5.8kg by removing the timing gear teeth and the material inside them outboard of where the clutch plate sits. If you need to retain the teeth to drive the ECU then nothing can be done but it's a sensible mod if carbs are being used.

POWER OUTPUTS
There are so many ways of tuning this engine and it all depends on your budget. The ultimate way to go is throttle bodies, big valve head and cams to suit your driving preferences. Not everyone will be able to afford the full monty though. First off I'd suggest don't waste your money on aftermarket exhaust systems - the standard item is very good - save the money and spend it on cylinder head mods which will increase power throughout the range. As with other engines the trick is to get as much cylinder head flow as you can and then use as little cam as you need to avoid losing low rpm power. Retaining the standard induction system and fitting a properly ported big valve head and fast road cams will net you 200 bhp at about 7,300 rpm. Adding TBs and mappable ignition/injection takes you to about 225 bhp at 8,000 rpm. A really well ported big valve head has the flow potential for 300 bhp but you would need to run the engine to 10,000 rpm to see that much power and of course without extensive surgery the standard components won't rev that high. It does give an idea though of the ultimate potential this engine has compared to other modern engines which struggle to break the 200 bhp barrier.

For race use with the right valve springs and bottom end components the power limit is just a function of your budget. 250 bhp at 8,700 rpm is easy, 270 bhp at 9,300 rpm is possible and that 300 bhp is there if you can afford it. You'll need very special crank, rods and pistons to get there though and pretty frequent rebuilds. Copyright David Baker and Puma Race Engines