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You can (indirectly) blame World Rally for this. Those car started doing this 15 or so years ago - the engineers found that dumping raw fuel directly into the
by alistairSH 3y ago
You can (indirectly) blame World Rally for this. Those car started doing this 15 or so years ago - the engineers found that dumping raw fuel directly into the turbo (IIRC, they had a 5th injector in the exhaust manifold) kept it spooled up during shifts and throttle lifts.
- nikau 3y agoinjector antilag systems were around in the 80s, they are very hard on the turbos and manifolds however.
- alistairSH 3y agoYeah, I was thinking that the guys who are adding "anti-lag" to their street cars probably first encountered it watching WRC. Or maybe touring cars. What's crazy to me is I hear it on cars that aren't even turbo - they're just running super rich with no muffler/resonator, so it pops/burbles more than normal. Can't be good for the car (the catalyst in particular, assuming they've bothered to keep it).
- nikau 3y agoyeah the stupid "crackle pop" tunes are just deliberately running rich. There's also "DSG farts" which actually have a performance benefit, but sound truly awful with aftermarket exhaust systems.