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Discussion Starter #1
I am looking at a 67 FB (original s-code, 4 spd), on Saturday. The owner says it now has a 'new' auto trans and a 71 mach 351.
How many variations of the 351 were there in 71?
And how do they compare to each other?
Also, did the 390 have Pwr discs available in 67?
Would it be worth my while to track down a 390 or keep the 351?
lastly, 390 does not always mean GT, right?

Thanks, oh wise ones.
 

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There were 3 351's available for the '71:
Boss 351
351 4BBl.
351 2 bbl.
Horsepower was the difference.
Yes, disc brakes were available in '67.
If you want the car original, you need the 390, but, that is your choice...
No, not all 390 cars were GT's
 

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Any way you slice it 70-73 clevelands are excellent motors.......

The 390 is a TORQUE MONSTER FROM ANOTHER PLANET, but adds even more weight to the front end....they say sufficient to upset the nice handling most 67-70 small block mustangs have (as long as they didnt come with the 5/8" swaybar)

Both engines are semi-expensive to buy parts for (and a little more obscure requiring diligent work from you to obtain parts locally.....local parts purchases will be a labor of love)
 
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