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I'm a sucker for pain at the pump.
(lemmy.nz)
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this post was submitted on 13 Jul 2026
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TBH I'm scared to use the cheaper stuff in my fun car, like it's going to start falling apart even faster if I don't give it the good stuff.
Use whatever the manufacturer reccommends. If they don't reccommend premium, you don't need premium.
Don't be scared, be knowledgeable.
Fully agree and admittedly my comment was more for giggles, but car's not stock; previous owner upgraded turbos and doesn't know anything about the tune. I don't know anyone who can tune an obd1 system so after I get the clutch done my next big project is rewiring with a post-1996 electrical system.
Have you looked into a standalone system like Holley or similar? Seems like they make it easy now at least from the YouTube videos I've seen ๐
Eh. I've never owned a car that required "premium" fuel but modern engines are completely capable of adjusting ignition timing as necessary. You'll just make less power.
Is 1991 modern?
No?
Premium isn't better, just more resistant to pre-detonation, if your engine doesn't make pre detonation more likely, you don't need it.
My 08 turbo Subaru calls for it my 22 turbo Subaru doesn't. if I put 87 in the 08, it won't get very far, on the other hand, the 22 is just fine.
im sorta curious about these things and e85. One thing I noticed is it has higher octane than regular.
Higher octane without an engine that can take advantage of it will just lead to poor mileage. In my case, I can increase the boost on the turbo and make considerably more power out of the same parts, but you'd be more limited when it comes to a naturally aspirated engine. There is more to worry about and it's not that simple but E85 has a huge scene within the tuning community.