I just bought used v50 T2.5 I put 87 octane gas in it will it hurt it

I just bought used v50 T2.5 I put 87 octane gas in it will it hurt it 3 answers

i have a 2006 chevy cobalt ls would it hurt to put gas treatment in it or just go to a higher octane 1 answer

drinks alot of gas

i bought some nos fuel octane booster with nitro it, will this harm my engine 1 answer

wil this screw things up becsaue i am already putting premium and then the octane booster is raising it 6-7 points now will this harm it will be 104 for fuel mixture give some feed asap

The wrong gas got put in my 2004 porsche cayenne when it was super low on gas not it's acting funny shaking I put octane booster and good gas in it but it's still acting up 1 answer

What can I do to fix it it does not get hot it just sputters alittle and drive strang

Hey guys I recently bought a hypertech power chip for my car because it is suppose to boost gas mileage in order to save money but I was reading the instructions on the chipand it says I have to use 93 premium octane for the chip which would be the same or more expensive I just want to know if I could still use 83 regular and if it would be worth it 4 answers

I want to know if I could still use regular gas instead of premium and if not would it be worth putting the chip in