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theres no strength up the top anyway, the only thing that bar does is support the rad and hold the bonnet down. if it was structural it'd be welded in.
quite alot, but then again it was a valver to start so it made a fairly big difference, the basis is on a 100bhp engine and a 1000kg car 10kg loss is equal to 1bhp gain, so if you can loose 150kg like i have, its equal to about 15bhp, but mainly its better for 0-60, its getting it rolling that...
mines the blue valver with orange wheels sometimes about in bridgwater.
Mine is back to the bare basics, no headlining, door cards, 2 buckets, no sound deadening, and the 172 engine is 30kg lighter than the valver one!
lol, mine wasnt an indecated either, dont forget im not running a 172 dash so dont have a fuel read out! ive had 40odd accelerating up a hill... i know you'll never get that lol!
right, engines on over run do not use fuel.
look in all of the aftermarket fuel maps, and in omex etc mapping software you set the throttle position for fuel cut off for over run...
as for the air, when ebeings are on over run, they are still sucking in air. otherwise how would it not? just...
no.
The engine on over run is injecting no fuel. otherwise it would still be wanting to accelerate a bit. it only starts fuelling again once the engine is at tick over speed.
The noise you hear is the air coming out the cylinder, there will still be air going through as the engine is...