What is the difference between a v6 and a v8 engine that have the same horsepower? - Mustang Evolution

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Old 12-16-2011, 02:15 PM   #1
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What is the difference between a v6 and a v8 engine that have the same horsepower?

okay say you have a 1968 mustang with the small 289 v8 engine that has about 200hp and you have a newer 05-09 model mustang v6 engine which makes about the same power. is one more powerful or better in any way than the other because one has more cylinders? i've just been wondering about this for awhile.
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Old 12-16-2011, 03:06 PM   #2
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What is the difference between a v6 and a v8 engine that have the same horsepower?

The difference between any two engines with the same amount of horse power is the amount of torque that the engine has and the torque and horsepower curves on the dyno chart. Hypothetically if the horsepower and torque curves were the same on both engines then there is really no difference. The only possible minor difference is that the in 2 rpms on the 6cyl, the engine fires six times whereas every 2 rpms on the 8cyl, the engine fires 8 times. This difference may be able to be felt and the acceleration may be a little smoother in the 8cyl.
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Old 12-16-2011, 04:04 PM   #3
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What is the difference between a v6 and a v8 engine that have the same horsepower?

Horsepower is just a calculation using torque & rpm, so the larger V-8 can be expected to make more torque. That leaves increased rpm for the V-6 to equal the same hp. Basically, even with equal hp, the V-8 will make it at a lower rpm then the V-6.
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