Originally Posted by
Fast Guy
Older subarus were renowned for blowing the engine after one top speed run. there were numerous threads about this when I used to vist scoobynet regularly a few years back.
The main reason that the older engines were letting go was the fact that the cars weren't running the correct 102RON fuel that they were mapped for and in addition to this, the bonnet scoop was known to get poor air flow after 100mph and the intercooler on early WRX and STi models was ridiculously small so the ACT's were going through the roof once speed increased.
Originally Posted by
Fast Guy
Exactly. It helps if they're mapped properly from the factory in the first place which the newer ones weren't so standard engines with standard power were blowing.
Yeah that's very true, it's absolutely ridiculous to be honest.. as you say, bog standard cars running lean at the top end and melting engines?! No wonder Subaru have lost a shitload of followers, if they carry on like this, they'll be going down the pan.
Cheers,
Grant