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Pump fuel v race fuel, what gains have you had

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Old Jun 21, 2007 | 08:51 PM
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Default Pump fuel v race fuel, what gains have you had

What power gains have you had with the fuel and a bit of mapping to get the best of of the engine?
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Old Jun 21, 2007 | 09:12 PM
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gonna totally depend on your engine spec etc, esp stuff like compression, as if you build it for high comp you will have get massive gains as you can finally wang the boost up without det.

ive seen 80bhp on 2litre cars that i can remember seeing dyno sheets of, i cant remember exacts, but as so many skylines etc cant run more than 1.2bar on pump fuel but can run 2.2 on race as they specced so wrong for a road car, they can gain hundreds.

but if you built the engine right, with the right compression, so you can safely run the boost you WANT to on pump fuel, gains wont be as big.

still will be good gains tho, if you can afford the fuel all the time!
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Old Jun 22, 2007 | 05:51 AM
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What gains have you seen on a N/A engines?
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Old Jun 22, 2007 | 08:57 AM
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On a Cossie, usually 40-60bhp (turbo dependant).
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Old Jun 22, 2007 | 08:59 AM
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Originally Posted by Johnny Knoxville
What gains have you seen on a N/A engines?
None to speak of, UNLESS you built the engine from scratch to suit this fuel, then you could run stupidly high compression (over 13:1), which you just couldn't do on pump fuel.
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