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The mkiv Supra Owners Club

Fifth Gear...Now


Lazarus

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Batley! Fill up with 99 and then have your car nicked. I'll stick with Optimax rather than riska trip to Batley.

 

As for shopping rage, ASDA does it for me especially the Wakefield one. I seriously feel some primal urge to kill. Weird.

 

Tesco you can pay at the pump so no need to abandon your car to the thieves whilst in the kiosk paying :D

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yep, free plug for the supra,

 

amazing how that fuel gives 14hp more on a standard impreza engine.

 

the supra must get at least 20hp more, not that you would attempt to run it on 95 ron,

 

i need to find a tesco which does 99 ron.

 

notice all the 5th gear tests are behind top gears, like the new astra and megane, which were tested on top gear ages ago,

 

but at leat they had some interesting petrol tests which was good

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Just realised that thanks to the power of Sky+ I can rewind and find out the figures! For the Scooby it was

 

optimax 249bhp

bp ultimate 248bhp

supermarket UL 235bhp

 

Torque was:

 

optimax 258ft/lbs

bp ultimate 248ft/lbs

supermarket UL 232ft/lbs.

 

I'm sure Pete will confirm but those figs look like hub figs.

 

New Scoob STi (which that was as it had the new face) is a 2.5 litre and has 277ish fly bhp in standard form...........

 

Unless it wasn't run in yet :eek:

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I used Tesco 99 ron yesterday for the first time. Feels more responsive and smoother than ultimate/optimax.

 

Optimax definitely deteriorates (spelling?!). I didn't use the supra for a week. When I started her up and went for a run, she was detonating till I put fresh petrol in.

 

I'll keep you guys updated but so far Tesco 99 ron rocks!:cool:

 

Ro

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Just spoke to my mate who runs a tuned scooby and a knock link.

 

He's put Tesco 99 in for the first time and said the knocklink has been VERY quiet - much quieter than when on Optimax or other SUL :eek: :cool: Sounds like good stuff :D I've used it and couldn't tell the diff between it and Opti, but if its resisting knock more then its all good :)

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Very dull one this week - M6 (oops - Top Gear beat them to it), Mercedes R Class (who gives a f@ck!), crash investigation (yawn), nobjockey buying an overpriced Puma at an auction (ffs), dull, dull, dull and Tiff really is an irritating twat! Swift vs moped? Eh? Hardly entertainment chappies! Race a 612 against plane/train . . . oh, you can't can you because Top Gear do all the interesting and fun stuff! So it'll be lawnmower vs skateboard next week then . . .VBH, get off the show and do something else before I lose all respect for you!!

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Back to the petrol thingy, anyone know if there's an additive you can add to regular unleaded to boost the octane?

 

Somebody told me this today. If so, is it any good or cost effective?

 

There have been a few threads about the in the past. Most 'octane boosters' can only increase the octane rating by a tiny amount - around 0.2 RON. Snake oil.

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Toluene and the like are not exactly off the shelf additives, they're race fuels in their own right. It's a pretty damn expensive way to increase RON for everyday driving.

 

I'd only ever bother with this if you have an aftermarket ECU that can be mapped to run with much higher octane fuel. Plus its so expensive you'd only really want to use it for the occasional drag runs..

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