chrisrussell

Yeah that's a very valid point. The safest way is to not turbo or supercharge the engine.....but its just so appealing haha. Its more trying to look for the safest way of doing it. Chatting to my local mechanic he was explaining its more of an issue on this engine due to the fact its built in two sections essentially. Because its the flat 4, its built with a join right down the middle of the engine black rather than it being a soild engine block like most cars. Obviously when you build something in two parts and then join them, thats the weakest spot. When he was talking to me about this I was wandering around his shop when he stops and points at an engine on the floor, followed by him saying "do you recognise that engine". A GT86 2.0 litre engine with a crack right down the middle which was caused by a spike in the turbo PSI. Now I have no idea where the turbo was installed before it ended up in his shop to "repair" or what mapping it had, but since then im a little more hesitant. Car only has 10,000 miles on it so I dont want to explode the engine at 15,000.

TD definitely get rated highly by you guys which is always a good sign. Only issue with myself is I live several hundreds of miles away haha. Thanks for all the replies as well. Kadaver - Do you have the stage 1 turbo yourself? If you do I take it you recommend it and secondly what kind of BHP are you looking at? Im not totally against turbo, in fact I prefer the noise and bangs haha! My only worry is like I said, other items in the engine going pop and from what ive been told, a supercharger is the easiest way to mitigate this. Plus I like the idea of low down power rather than slamming it at 4000rpm before it decides to work haha.

Thanks everyone for all the replies. Definitely seems like the turbo is the preferred option within the chat when it comes to forced induction. The only reason I was worried about the turbo vs supercharger is about how the engine is built. Its essentially two engine parts clamped together and I was told this can cause issues if the PSI of the forced induction were to spike for any reason. With the supercharger you get the same linear PSI whereas with the Turbo, potentially it could spike high randomly and split the engine block. In reply to James18. From what I hear about the HKS, its something to do with the bearing mount for the fan housing. Apparently the metal is weak around this area and eventually the threads end up stripping, therefore it stops sucking the air in (Or something like that). The thing is my local modifying garage as fitted three HKS superchargers to GT86s and every one has went really well and worked as expected. However these were all done within the last 6 months so its hard to determine the reliability side of it.

First of all, I know this has been discussed several times, however more so looking to see the outcomes of peoples cars in recent years with different kits, or the new versions of the kits? Long story short I want to supercharge the car to 280-300 bhp. Nothing more than this number as then you have to change a lot of components in the engine. I was pretty much set on the HKS supercharger then came across a few people in america talking about reliability issues. Seems to be it will only reach 10,000 miles and pop goes the supercharger. So looking for opinions of people who have either looked into it as well, or have actually had the car supercharged (Either by the HKS or any other manufacturer) in the more recent years. I've mentioned turbo as well just to see if people more so recommend this. Im not chasing top line BHP, nor do I want a sudden input of power at 4/5000rpm hence why I think the supercharger is a better option for the car. Just essentially looking for more power across the whole spectrum. Anyway, as I say, looking for opinions and peoples experiences with somehow getting more power?

Nah mines is a white GT86 with black stripes with a carbon SRD spoiler on the back. Hopefully in a few months it will also have an HKS supercharger and 300bhp haha

Im from East Kilbride myself. Looks like there are at least three GT86s in EK haha.