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Thread: Higher grade petrol

  1. #1
    Regular Member viper8's Avatar
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    Default Higher grade petrol

    Is it ok for me to use higher grade petrol in my 2.2 sri direct vectra
    will it damage the engine ?

    seen a few posts with people using shell V power

    just wanted to try it

  2. #2
    Regular Member luke4487's Avatar
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    It wont damage it mate

    Should say in the handbook through under your engine specs what octane is best but 95 and 98 are standard spec stuff. I use 100 octane shell with my 2.8 and shes fine.

    They have just brought out one in Europe with Ethanol in... called E10... that one I'm not so sure about

  3. #3
    Regular Member byebyeitsagsi's Avatar
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    Its actually better for your engine mate. Tesco momentum is actually the best of the bunch of premium unleaded, you get what you pay for IMO. The tesco stuff is usually cheaper than V-Power etc aswell.

    Some people swear by using fuel additives but if you use decent fuel those will never be needed.

  4. #4
    Regular Member Chris SRi's Avatar
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    As above, the ECU will adjust various settings if it detects you are using a different grade petrol and performance will be altered accordingly.

  5. #5
    Regular Member lizard's Avatar
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    I always use the higher RON fuels regardless of where i fill up but prefer the V Power...

  6. #6
    Regular Member scotty84's Avatar
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    Vehicle : Saab 9-3 Aero

    Trim : Aero

    Engine : 2.8 Turbo V6

    Year : 2006

    Mileage : 62000

    Default

    Yep I always use tesco momentum and its normaly 1/2p cheaper than v-power plus clubcard points add up lol. I also stick half bottle redex every 3rd fill up. Ive noticed from posts on here about 2.2 direct mpg that mine is doing an average 2/3 mpg more in most case's.
    Well worth it lol........I have even thought about getting a remap to get better fuel ecomony from using high grade fuel oh and the extra 10-15bhp might be small be may get shot of those flatspots.....

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    I've started using premium stuff since the fuel prices got so stupidly high...

    It's a few pence more per litre (about 4% more total), but I get about 30 miles more to the tank (8-9% more mileage).

    Yeah, I know I'm sad to have worked that out! Basically, I'm saving money though!

  8. #8
    Regular Member recoveryman's Avatar
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    Vehicle : vectra

    Trim : elite

    Engine : 1.8 petrol

    Year : 2003

    Mileage : 92000

    Default

    i havnt used supermarket fuel since my car kept going in to limp mode which happened on quite a regular basis , was advised to stay away from tesco ,asda,etc so nothing goes in my car now exept shell regular unleaded and since using it never had a problem

  9. #9
    Regular Member viper8's Avatar
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    Thanks Guys
    V Power it is

  10. #10
    Regular Member elite lee's Avatar
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    i've been having problems with my signum for months, i accidently put tesco momentum in mine a couple of weeks back, and all the problems seemed to dissapear practicaly overnight. its all i use now

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