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Dyno test on a 74 460 torino

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    Posted: 23-July-2017 at 12:10AM
Hi I would like to know real world dyno results for a 74 torino with a 460 motor, cause the factory specs is complete crap ( a 460 having only 160 kw) I believe this was one of the times ford underrated their power figures.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Big Bird Quote  Post ReplyReply Direct Link To This Post Posted: 23-July-2017 at 1:57AM
Sadly, by 1974 they were accurate. Thee days of under-rating high horsepower engines was over. Smog rules caused drops in compression and smaller cams which removed horsepower. (The engines still made torque...sorta...)
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 72FordGTS Quote  Post ReplyReply Direct Link To This Post Posted: 23-July-2017 at 6:32AM
The numbers in 1974 were pretty accurate, much more so than any of the numbers before 1972.  Part of the reason the SAE net system came out was because the gross ratings were often so far from reality.  The system used in 1974 isn't far off the system we use on modern cars.
 
FWIW, a 1974 Torino with a 460-4V was a decent performer for it's day.  I have an old road tests that show it ran mid 16 second 1/4 mile times in a car that weight over 4500 lbs.  That's pretty strong performance for 1974, and certainly suggests it made decent power to push that much weight that quickly.  Don't forget a lot of 390 Fords and 396 Chevys from the decade previous only ran mid-high 15's in the quarter in stock form.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Power Surge Quote  Post ReplyReply Direct Link To This Post Posted: 23-July-2017 at 10:01AM
I was a custom dyno tuner for 15 years. A bone stock 74 460, was about a 250hp engine (in modern ratings). 

Through a C6 trans and 9" live axle rear, you're looking about a 15% drivetrain loss. That's about 212hp to the wheels. 

Maybe add into that, the mileage and age of the motor....and I'd bet you'd see about 190-200rwhp. 
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 74 460 Quote  Post ReplyReply Direct Link To This Post Posted: 23-July-2017 at 9:59PM
Thanks guys you have been a great help.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 74 460 Quote  Post ReplyReply Direct Link To This Post Posted: 13-August-2017 at 9:57PM
What about torque?
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MrSmog Quote  Post ReplyReply Direct Link To This Post Posted: 14-August-2017 at 2:11AM
Originally posted by 72FordGTS 72FordGTS wrote:

The numbers in 1974 were pretty accurate, much more so than any of the numbers before 1972.  Part of the reason the SAE net system came out was because the gross ratings were often so far from reality.  The system used in 1974 isn't far off the system we use on modern cars.
 
FWIW, a 1974 Torino with a 460-4V was a decent performer for it's day.  I have an old road tests that show it ran mid 16 second 1/4 mile times in a car that weight over 4500 lbs.  That's pretty strong performance for 1974, and certainly suggests it made decent power to push that much weight that quickly.  Don't forget a lot of 390 Fords and 396 Chevys from the decade previous only ran mid-high 15's in the quarter in stock form.

 
especially if you look at the true hotter police interceptor version, from what I found they ran a "baby cobra jet" head, similar cj style exhaust manifolds, cj intake and had a hotter cam. I think they were net rated at like 260-275 hp. I have toyed with the idea of buildin one for my fastback.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Big Bird Quote  Post ReplyReply Direct Link To This Post Posted: 14-August-2017 at 5:07AM
problem is finding those "Baby Cobra Jet" heads, manifolds, etc...
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 72FordGTS Quote  Post ReplyReply Direct Link To This Post Posted: 14-August-2017 at 2:46PM
Originally posted by MrSmog MrSmog wrote:


especially if you look at the true hotter police interceptor version, from what I found they ran a "baby cobra jet" head, similar cj style exhaust manifolds, cj intake and had a hotter cam. I think they were net rated at like 260-275 hp. I have toyed with the idea of buildin one for my fastback.
 
Yeah, your right on the money about the 460 PI, 269 hp in 1973, 260 hp in 1974.  Don't forget there was also the 1972 429 PI, which I bet put out power in the same neighbourhood as the 460 PI.  Ford never official rated the 429 PI in 1972 (at least not that I can find, and I have tried).
 
If Ford were smart enough to have offered these PI engines in the civilian 1972-74 Torino's, these cars would have been muscle car legends.  I have often thought that a '72 Torino 2-door with a 429 PI would be a sweet car to race in the Pure Stock drags.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MrSmog Quote  Post ReplyReply Direct Link To This Post Posted: 14-August-2017 at 3:03PM
Originally posted by Big Bird Big Bird wrote:

problem is finding those "Baby Cobra Jet" heads, manifolds, etc...


they turn up, problem is there is so much misinformation on the internet as to which castin numbers are true police interceptor numbers. I heard that in 73 they even used a holley carb on a cast iron CJ style intake. I wish there was a reliable source for all the police engines stuff.
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Post Options Post Options   Thanks (0) Thanks(0)   Quote MrSmog Quote  Post ReplyReply Direct Link To This Post Posted: 14-August-2017 at 3:07PM
Originally posted by 72FordGTS 72FordGTS wrote:

Originally posted by MrSmog MrSmog wrote:


especially if you look at the true hotter police interceptor version, from what I found they ran a "baby cobra jet" head, similar cj style exhaust manifolds, cj intake and had a hotter cam. I think they were net rated at like 260-275 hp. I have toyed with the idea of buildin one for my fastback.
 
Yeah, your right on the money about the 460 PI, 269 hp in 1973, 260 hp in 1974.  Don't forget there was also the 1972 429 PI, which I bet put out power in the same neighbourhood as the 460 PI.  Ford never official rated the 429 PI in 1972 (at least not that I can find, and I have tried).
 
If Ford were smart enough to have offered these PI engines in the civilian 1972-74 Torino's, these cars would have been muscle car legends.  I have often thought that a '72 Torino 2-door with a 429 PI would be a sweet car to race in the Pure Stock drags.


Thats sorta my intentions IF they allow you to run engines that were solely sold to municipalities. They allow enough changes that with a 73/74 460 PI engine, you could have a serious beast capable of hangin with the holy grail 1964-1970 stuff, even in the heavier 73/74 torinos. Wouldn't mind havin a pair of cars to run at the pure stocks, his and hers.
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