and some piece of info
"Tuning the X30XE
The most common mods for this engine are Replacing the oil / water heat exchanger with at air / oil cooler, as the oil / water one Has a tendancy to die and leak oil into the water system, lightening the flywheel, as the std one is very heavy (in the region of 15 kg), a mild set of cams, and enlarging the inlet butterfly. These are all mods Which can be done without cracking open the engine.
Tuning the engine Further than some bolt on mods is quite an undertaking as the engine Has quite a few weak spots.
The rods are quite weak due to Their (lack of) width, the water pump is too small for forced induction, the bearings need Replacing with stronger items, and the rear cylinders overheat.
The rods can be resolved by Replacing with saab 3.0L rods have an oil squirter Which drilled into them (to lube the small end, the std rods rely on splash lubrication), welding Strengthening strips ontological them , or by getting some steel rods made. Steel rods are expensive (Arrow Precision quote £ 200/rod for a batch of 6). Still, They Should Be good to around 9000rpm. Swindon Race Engines want to make a custom steel crank and rods for £ 3,700 + VAT. They can therefore stroke it out to 3.4L
The cooling can be resolved by cutting slots in between the water jacket in the center as did water can flow out of block cooling jacket and into the radiator outlet / engine water inlet.
It Is not all bad news thought. The pistons have nice deep pockets, the heads can be opened up nicely, and valve train tuning parts from the X16XE (1.6 16v ecotec) can be fitted. The engine Has lots of potential, it'll just take a lot of work to achieve achievement it.
The engine will really benefit from headwork (some details of my work here). bigger valves (+1 mm) can be fitted (standard is 32mm inlet and 28mm exhaust) if the seats are cut carefully. This would put it nearly on a par with the C20XE head design, the main difference being the steeper angle of the exhaust valves
The engine HAS BEEN tuned up to around 420bhp in normally aspirated a state of tune by Swindon Race Engines though this will set you back £ 18k + vat. SRE therefore have developed a very compact roller barrel induction kit for it, Which Enables a standardish engine to produce 320BHP @ 7000rpm, the only other mods being solid lifters and a set of mild cams. The solids are put in to aid accurate cam timing, and to stop belt kick-back if the engine's been standing for any length of time and the hydraulic lifters have drained. HOWEVER, this induction kit Is not cheap, and at 4000GBP + vat (just the throttles, trumpets and injectors), it's a remortgage the house and the cat pimp job.
The engine's been so supercharged to good effect by a dutch nutter called Frank thinkers, who Achieved 400bhp +100 bhp of nitrous. It was his tuner Which solved the cooling problems did forced induction conversions have"
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Topic: supercharged miggy (Read 2833 times)