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Ls1 in cobra
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<blockquote data-quote="birdman941" data-source="post: 7228180" data-attributes="member: 29150"><p>Interesting argument, but inaccurate.</p><p>As a general rule torque makes MPG and HP eats it.</p><p>Many times a V6 engine will get better fuel economy</p><p>than a 4 cylinder in an identically equipped vehicle.</p><p>Same can go for a V8 of different displacements.</p><p>Efficiency also has a hand in it.</p><p>The 4 cylinder has to work so hard to move the car,</p><p>it is not as efficient as the V6.</p><p>My old 2000 GT got 18 city MPG and 25 highway each time.</p><p>I swapped in an FRPP 2000 Cobra crate motor and trans,</p><p>it always got 20 city or better,</p><p>and has gotten a best of 31.5 MPG with its new owner.</p><p>The Cobra motor not only makes more torque,</p><p>it is more efficient.</p><p>My 5.4 32V New Edge is untuned, but got 25 highway on a trip.</p><p>My Mach 1 has gotten a best of 29.97 highway.</p><p>Once the car is tuned with the new built motor,</p><p>I am expecting 23-25 highway with over 400 lb./ft. torque.</p></blockquote><p></p>
[QUOTE="birdman941, post: 7228180, member: 29150"] Interesting argument, but inaccurate. As a general rule torque makes MPG and HP eats it. Many times a V6 engine will get better fuel economy than a 4 cylinder in an identically equipped vehicle. Same can go for a V8 of different displacements. Efficiency also has a hand in it. The 4 cylinder has to work so hard to move the car, it is not as efficient as the V6. My old 2000 GT got 18 city MPG and 25 highway each time. I swapped in an FRPP 2000 Cobra crate motor and trans, it always got 20 city or better, and has gotten a best of 31.5 MPG with its new owner. The Cobra motor not only makes more torque, it is more efficient. My 5.4 32V New Edge is untuned, but got 25 highway on a trip. My Mach 1 has gotten a best of 29.97 highway. Once the car is tuned with the new built motor, I am expecting 23-25 highway with over 400 lb./ft. torque. [/QUOTE]
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