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Original 4cyl or V8 question.

Discussion in 'Fox Body Mustangs Lounge' started by Grant211, Dec 18, 2017.

  1. Grant211

    Grant211 New Member

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    I’ve seen several people ask the question on a v8 mustang if it was an original v8 or 4cyl conversion.

    What’s the importance?

    If the mustang was immaculate and it was a 4cyl converted to a v8. How would this be a negative?

    Besides the obvious (motor), what is the real difference in an original v8 and 4cyl?








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  2. broncojunkie

    broncojunkie Active Member

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    The main reason people ask is because originality adds to the value. An original v8 car is typically worth a little more. As for real differences, it depends on year and model. Most 4 cyl cars had slightly smaller brakes and a 7.5 rear end, as opposed to 8.8 (pre 86, iirc, were all 7.5... no 8.8 available even in v8 cars). In the manual shift foxes with t5 5 speed, the 4 cyl t5 can be made to work with a v8 by swapping in the correct size pilot bearing. The transmission itself was weaker, had a smaller diameter input shaft end, and was geared differently. Those are a few mechanical differences. Other things such as smaller, cheaper wheels, more basic interiors, and plain exterior trim packages were also common.
     
    Grant211 likes this.

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