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A few mates and I have decided to do a challenge timed event involving a sub 1000cc n/a car, I did want to use a nice 205 and put my decent suspension on it but it was decided that 205s even the 1.0L are just too expensive and to be honest under powered compared to newer stuff. After trawling trough mountains of statistics for 1.0l cars from ax's to micras etc for the best power to weight and reasonable cost we came to the decision of a Toyota Yaris it has 69hp the most we could find for a n/a 1.0L If there is anything better Please let me know! As luck would have it one came by my mates garage with a new clutch for the total of £100! The plan is; EXTENSIVE weight saving. but must retain dash and some type of door cards. Smallest wheels/tyres possible to effectively reduce gear ratio. Lower the gear ratio if possible with a final drive from some other box. Strip engine down, skim head to up the CR increase the overlap its VVTi so may be possible with the map as well. Fit a motorbike exhaust manifold and no cat, similar CC and really cheap bumper mount bike can so reduce weight of system. Lighten and balance flywheel. decent air intake. A good bit of porting and port matching Possibly lighten and balance the pistons and rods a bit... Make sure it has good compression. Possibly get this little thing up to 80hp and 700kg Pretty much oldschool back yard tuning for a few pennies and a bit of fun! If anybody that actually knows how to get a few more ponies out of this I'm all ears, personally I cant see doing much more, more cam duration and lift but that's past the realms of what we can do i think! or fit a 1400 but i think that would be obvious.