Thread: LS3 – 525HP / Legend LGT-700 Conversion in a 66 Pontiac GTO Convertible
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Old 10-09-2016, 08:47 PM
gtospieg gtospieg is offline
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Default Amazing Fuel Mileage
That fuel mileage is amazing...now just imagine if it was ONLY the 430 horse LS3 and you drove it "nice"...what a combo...I also have the Legend 5 speed but it's behind the traditional Pontiac engine in my 67 GTO

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