GolfGTIforum.co.uk
Model specific boards => Golf mk2 => Topic started by: peaky83 on 26 March 2010, 10:12
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I realise I'm probably starting the 99/98 RON vs 95 RON argument similar to the 16v vs 8v argument which is unending (Until you all realise 8V wins hands down and is better... FACT :wink: :grin: :rolleyes:)
I've been reading about V-Power vs Tesco Super Unleaded, vs Esso SUL and BP SUL... Are there any differences, is it worth sticking any of them in a mk2 1.8 Gti 8v 1991 Digifant?
Also, they talk about Millers Octane booster... ( http://bbs.scoobynet.com/scoobynet-general-1/796393-octane-booster.html )
Is it worth adding those to normal fuel(95RON) and would it give any benefit to SUL bearing in mind the car its used on?
Dan :laugh:
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Unless the engine is tuned I would stick to unleaded the same goes for additives.
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Octane boost has been noted as a waste of money, i read an article on it a while back (will try dig it) which showed the best of the top 5 rated brands increasing the octane by .2 or something
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Super makes absolutely no discernable difference to my 92 digi.
The last time I saw those additives in Helfrauds I worked out it would actually cost less to use super than buy the additive. Although with the price of fuel now that may have changed.
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possibly kittie lol... PS Nice GTi :wink:
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imo it only makes a difference if you have a newer GTI, i.e. mk5 >
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They run pretty much exactly the same in a mk2, and anyone else who says different it under the placebo effect.
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fuel addictives only really make a difference on injection cars, especially on turbocharged engines.
I use it every so often as it cleans carbon build up inside the engine and grime in the fuel lines.
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but, am i right in saying that people with pinking issues have found 99ron etc to be better for their motor? :undecided:
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It may 'solve' their problem, but not fix the underlying cause.
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8v's will run on pond water
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8v's will run on pond water
:grin:
But in reference to OP, I've tried both on a K-jet 16v and it seems to make little to no difference unless you have an ECU that will adapt to the octane. As stated newer t/c cars see the biggest differnce, sure there was a 5th gear about it. Otherwise you'd have to setup the engine on higher octane fuel and only run it on that...
Additives = snake oil as far as I can gather.
PS 16vs win :tongue: :wink:
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16v's on 95 can do this
niked from niges thread on northloop, cause was slightly diffrent but effect is the same. just rare to get optimal photos, quite often ppl drive till the piston gives up completly and exits
(http://i304.photobucket.com/albums/nn170/nurburgringphotos/Golf/NLP_1472.jpg)
(http://i304.photobucket.com/albums/nn170/nurburgringphotos/Golf/NLP_1467.jpg)
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Alot of subaru drivers carry octane boost around just incase they can't get hold of super unleaded, although as said most new cars will adapt to the fuel you put in.
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if the car has a knock sensor it will adapt to the fuel used. If it's made to run on 99RON and you stick 95RON it will adapt but will loose power.
A car made for 95RON will run nicely on 99RON but without HUGE gains, just more smoothness and better top end if anything. Advantages of 99RON is that they usually have addictives in them to help clean the engine on the inside.
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16v's on 95 can do this
niked from niges thread on northloop, cause was slightly diffrent but effect is the same. just rare to get optimal photos, quite often ppl drive till the piston gives up completly and exits
What? KR engines or ABF run on 95?
What causes that failure?
The fuel burning too early or not well enough?
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So if I started running my '91 digi on 98, would I gain a couple bhp back? Last time I had it rolling road'd, it was only putting out 102bhp. Also, would there be increased mpg?
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Mines full of tesco sh!te at the min and i havent seen over 20mpg since getting it back, it runs high 20s on v power