Question: How much FPT can a big block from a '78 F150 produce?? - Ford Truck Enthusiasts Forums

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Question: How much FPT can a big block from a '78 F150 produce??

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Question: How much FPT can a big block from a '78 F150 produce??

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Old 04-23-2018, 08:49 PM
ManitobaSlims1122
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Question: How much FPT can a big block from a '78 F150 produce??

My flatbed is a work truck, So a lot of torque is expected to be produced. But how much precisely??
 
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Old 05-10-2018, 06:28 AM
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Originally Posted by ManitobaSlims1122 View Post
My flatbed is a work truck, So a lot of torque is expected to be produced. But how much precisely??
You have asked kind of an open ended question here!, Big block....l.is that a 335 series (351M/400) or is it a 385 series( 370, 429, 460), then it will depend on the heads, cam, carburetion, etc. Information is always a good thing when asking questions like this.
 
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Old 05-17-2018, 07:46 AM
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If formulated for peak torque around 2600 rpms (making it good for towing IMO), I think with some aftermarket components you can achieve around 1.2 lb ft per cubic inch and maybe a little more.
 
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