going from 25 to 50 with the wizards costs you £12 - thats for the larger jets. its a 5 minute job to fit them and to be honest fitting the kit itself is only a 3 hour job DIY.
i dont have a pressure gauge fitted at present but when i do it will be in the car.
go with the wizards kit, its guaranteed for life and has yet to fail on any cars. you will start with a 25hp shot, set this up perfectly and then fit some cooler spark plugs and go to the 50hp shot. i wouldnt recommend any higher without a controller. also at 50hp you will need to run higher octane fuel. i run the 97ron and its perfect. at 50hp the increase in torque and acceleration is very very impressive. if you have the money available i would recommend you also fit a bottle heater, there about £175 but will make sure the pressures are maintained so you dont get a drop off like in my example! with the heater its predicted (by trev, the wizard himself) that i should get close to 220bhp and 220 torque. that is a LOT for such a little engine
you could also join the wizard forums and ask, trev visits them daily and is the most helpful company director i have ever came across!
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