LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Racing fuel ?

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Old 02-25-2003, 12:11 PM
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Racing fuel ?

ok i have a ?. i have a 95 z with a 383 LT4. am planning on running a 125sht, by adding 100 lead racing fuel and mixing it with 92 octane fuel will that increase hp in my car ? or will i see any difference at all? thanks
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Old 02-25-2003, 12:12 PM
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I don't know about increasing horsepower but it will keep you from detonating and wrecking your motor.
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Old 02-25-2003, 12:20 PM
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thanks.
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Old 02-25-2003, 02:24 PM
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Re: Racing fuel ?

Originally posted by orion95z28
ok i have a ?. i have a 95 z with a 383 LT4. am planning on running a 125sht, by adding 100 lead racing fuel and mixing it with 92 octane fuel will that increase hp in my car ? or will i see any difference at all? thanks
If you plan to use leaded racing fuel, you must be running on open loop tuning (no O2 sensors) and no cats. The lead will destroy the sensors and the cats. Just curious... why would you use leaded fuel, when 100-octane unleaded fuel is available?
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Old 02-25-2003, 02:45 PM
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Here is an awesome Fuel Blending Chart!!!
http://www.ranney.com/~mjr/fuel_blend.html

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Old 02-25-2003, 03:04 PM
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Why not use Motorsport 103 or something similiar???????
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