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Car and bike questions? We have the answers
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Finding it underpowered and bitten by the DIY bug, I am thinking of turbocharging my diesel Lancer. From what I know, this same engine comes with a turbo in the Mitsubishi Galant abroad. Is it possible to turbo the Indian version? Also, why will I need an intercooler?
Lokesh Raman, via email
Turbocharging what has been conceived and manufactured as a naturally aspirated engine (like that in the Indian Lancer) is not recommended for the simple reason that the components of that unit have not been designed to withstand the much greater stresses of turbocharging. Without the stronger and heavier engine parts, it could be that the conversion would suffer from reliability problems. Normally, it is decided at the design stage of manufacturing itself whether the engine is to be turboed or not. In case you need more power, think along the lines of transplanting an already turbocharged engine into the engine bay of your Lancer.
My car is about 150,000 km old and failed its PUC test for the first time a while ago. I've been told that my otherwise perfectly working M800 will need an engine overhaul soon. Why is it necessary to do this at all?
Sarathy, via email
A vehicle's engine is an assembly of metal parts machined to close controlled tolerances. With use, these parts are subjected to wear and with time, they wear to an extent where performance deteriorates to unacceptable levels. Overhauling involves inspection of components for wear and repairing or replacing them to get performance back to the optimum level.
I own a Maruti 800, which has done 3,200 km. Whenever the car moves from rest, the front left wheel makes scratching sounds as if two metal pieces are being rubbed against each other. The noise disappears as the speed increases. The car is not dragging to one side, so the brakes are fine. Please help.
B Pradeep, via email
Get the brakes overhauled. It appears like the brake caliper on the front wheel may be jammed, causing the pads to stick to the brake disc. The reason that the sound disappears at higher speeds is that the brakes may be sticking at rest and then freeing up after some use. Servicing the brake calipers should solve the problem.
Write in with your queries to wheels@thehindu.co.in
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