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New Edge Cobras
FR500 Cobra Fuel Mileage Update
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<blockquote data-quote="99svtvert" data-source="post: 4328635" data-attributes="member: 22962"><p>For those interested in FR500 motor Heads, Cams, Intake, (Stock 03 Cobra Tank and pumps, 39# inj, 90mm LMAF);</p><p></p><p>Fuel mileage (3.73s):</p><p></p><p>1st Tank -- 178 Miles (Dyno Tunes)</p><p>2nd Tank -- 210 Miles (Dyno Tunes)</p><p>3rd Tank -- 165 Miles (several easy 1/4 mile runs and Dyno Tunes)</p><p>4th Tank -- 277 Miles (Mostly City Driving)</p><p>5th Tank -- 314 Miles (City and Highway)</p><p>6th Tank -- 331 Miles (Mostly Highway)</p><p>7th Tank -- 326 Miles (City and Highway)</p><p>8th Tank -- 276 Miles (City)</p><p>9th Tank -- 337 Milrs (Mostly Highway)</p><p>10th Tank -- 320 Miles (Mostly Highway) </p><p></p><p>Swapped in 4.30's; out 3.73s</p><p></p><p>11th Tank -- 309 Miles (City and Highway)</p><p>12th Tank -- 297 Miles (City and Highway)</p><p>13th Tank -- 304 Miles (City and Highway)</p><p></p><p>3644 Miles Total</p><p></p><p>Avg. -- 280.7 Miles per Tank</p><p></p><p>Take away the first 3 Tanks for breaking and tuning, then</p><p></p><p>Avg. -- (minus 3 Tanks @ 533 Miles) = 311 Miles/Tank.</p><p></p><p>About 20.6 MPG</p><p></p><p>Which, beleive it or not, is a little better than the stock motor I had. I did not have an 0.5:1 6th before but I also did not have 4.30's either.</p></blockquote><p></p>
[QUOTE="99svtvert, post: 4328635, member: 22962"] For those interested in FR500 motor Heads, Cams, Intake, (Stock 03 Cobra Tank and pumps, 39# inj, 90mm LMAF); Fuel mileage (3.73s): 1st Tank -- 178 Miles (Dyno Tunes) 2nd Tank -- 210 Miles (Dyno Tunes) 3rd Tank -- 165 Miles (several easy 1/4 mile runs and Dyno Tunes) 4th Tank -- 277 Miles (Mostly City Driving) 5th Tank -- 314 Miles (City and Highway) 6th Tank -- 331 Miles (Mostly Highway) 7th Tank -- 326 Miles (City and Highway) 8th Tank -- 276 Miles (City) 9th Tank -- 337 Milrs (Mostly Highway) 10th Tank -- 320 Miles (Mostly Highway) Swapped in 4.30's; out 3.73s 11th Tank -- 309 Miles (City and Highway) 12th Tank -- 297 Miles (City and Highway) 13th Tank -- 304 Miles (City and Highway) 3644 Miles Total Avg. -- 280.7 Miles per Tank Take away the first 3 Tanks for breaking and tuning, then Avg. -- (minus 3 Tanks @ 533 Miles) = 311 Miles/Tank. About 20.6 MPG Which, beleive it or not, is a little better than the stock motor I had. I did not have an 0.5:1 6th before but I also did not have 4.30's either. [/QUOTE]
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