Hey,
Just noticed something lately in my sti, when i start it up, it idles very smooth.
But when i just touch the accelerater, theres like a small bit of knocking. This goes out of it after a few mins when its warmed up. And also on a high rev there is no knocking sound(sounds like prr.rrr.rrrr.rrrr)
A guy told me he thinks the big end bearings are going?
any help? Theres also only 27k miles on the engine so its like new.

 

could just be the injectors they are pretty noisey mate

 

piston slap if only whilst cold most likely

 

is this still a problem in the newage cars

 

yep have it on my sti

 

thanks for the reply, the piston slap sounds right as it was the coldest day so far(snow). thanks for the reply guys.
also the sti is 98

 

how many miles you up to now

 

theres 27K miles on it now

 

maybe its dew to the cold weather.
noticed mine ticks louder when starting it in very cold weather.

 

Common on 98 classics too just keep an eye on it

 

name and shame the guy who thought your big-ends had gone!
Deffo piston slap. Big end noise would be there all the time!