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had the cambelt done on a renault scenic got it back and somehow managed to get even slower than it was at the start didnt think it was possable for it to go any slower but it did needless to say i will not be using the same garage to do the cambelt on my vec
Probably psychological, but maybe the old water pump and parts were worn enough to affect the performance? May genuinely be running a bit better.
Will chuck the 1.8 through the car wash, needs all the help it can get!
am wondering here, sure someone will put me right if im wrong.
if a cambelt has been on a car for longer than it should overtime would it not strech slightly? so when a new belt is put on it is everso slightly shorter and allowing more accurate timing with the valves and hence slight power increse?
Originally Posted by shadyone
reminds me: A "top gear" show a couple of years ago -- they spent about 10 grand on tuning parts for a renault, as an experiment (fitted huge brakes, sport suspension and all sorts) and in the end they found that the modified car was slower around the track than the standard one.
It was seroiusly faster, just not as fast as the scoobie [or was it an EVO] which was the purpose of the excercise.
Back to the belt change, a lot of **** taking but the timing was highly likely to have been out by a few degrees. We all know from our tuning days a cam can be tweaked a couple of degrees with a vernier to ensure very accurate factory set or enhance the power or torque curves. and with this engine that could be enough to feel!!
i like the sound of that
Hijack....modified car's do work!! (more than a timing belt change it has to be said)
just checked:
The Renault project is 'OUR CAR' as you can see below, it went from the bottom of the board to thrash CTR'S, Elise, Clio V6. some 7 secs better than std.
Ford Mondeo ST2201.34.5Jaguar XKR1.34.7Ford Focus ST1.34.9Volvo S60R1.35.0Ferrari 575M1.35.2Vauxhall Vectra VXR1.35.3Our Car1.35.4Fiat 500 Abarth1.35.5Alfa 147 GTA1.35.6Lotus Elise1.35.6Aston Martin Vanquish1.36.2Renault Clio V61.36.2Honda Civic Type R1.36.5Alfa Romeo Brera1.36.9Saab 95 Aero1.37.9Maserati 3200 GT1.38.0Alfa Romeo 8C1.38.2Bowler Wildcat1.39.4Bentley Arnarge1.40.8Overfinch Range Rover1.44.0Aston Martin DB51.46.0Hawk HF 30001.48.2
Was quicker when they put it on racing tyres & different suspension & took all the seats out, as you'd expect - but the £3grand brakes made it slower
Best mod = shedding weight!
http://www.youtube.com/results?searc...+avantime&aq=f
http://www.youtube.com/watch?v=IiXfuvy3zH8
http://www.youtube.com/watch?v=mUjFV...eature=related
The final thoughts on the 3part youtube video sum up their findings
Last edited by Hideous; 10th August 2011 at 19:39.
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