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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

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Old Sep 25, 2011 | 11:38 AM
  #16  
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the truck is really gutless because it should be able to at least make the tires spin when you take off hard with the truck empty, not even a squeak out of the tires. pulling a 16 foot flat bed tandom axle goose neck trailer empty you really have to mash the throttle down to go up a slight incline going down the freeway. I read in one of the responses about the cat. being plugged?? how can I check this? cut it off and use a "test pipe" The truck had a new trans put in it several years ago but only about 20,000 mi ago. to me it shifts too fast into OD and takes alot of throttle to shift down. Is a normal of this trans? What are some mods I can do to this truck bring up the power without a huge bundle of cash.
 
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Old Sep 25, 2011 | 11:45 AM
  #17  
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Originally Posted by jwc9
I made a swap like this although not on that new of a truck. I had a 429 CJ and a super sharp 79 f100 explorer. Truck was an original 302 a-t with air. To make the swap go easy I bought an 78 lincoln with a 460 for $200 bucks. I used all the engine accessorie brackets from the lincoln to make the ac,ps and all work on the 429. Used the tranny out of the lincoln and shortened the lincoln driveshaft and used it in the truck. Only thing we did to the tranny was add a shift kit. What a sweet ride. I think if I was you I would do about the same and use the tranny out of the lincoln to get away from the electronics and you would have a fun ride then.
I did the same thing when I first built the 429, I put it in a 79 f-150 4x4 the motor blew the rest of the drivetrain to pieces( 3 trannies, 2 rearends) the I put it in a 84 f-250 and that only ate a ring gear.
 
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Old Sep 25, 2011 | 11:58 AM
  #18  
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Originally Posted by 77mud
c9's and Doves came on stock cars..., id assume if he has a 450hp 429 its got c9's or Doves on it
429's never came in pickups, that I know of.
(pickups didn't get Lima engines until after 429 production ceased for passenger cars)

Now, there are plenty of long snout 429's (both gas and propane) in larger trucks like F700's.
But then you have to turn the crank and mess with a whole bunch of stuff to make them work.

X2 on Reincarnation High Performance.
The Man knows his stuff!
 
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Old Sep 25, 2011 | 12:14 PM
  #19  
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Headers and a single 3" exhaust would help.
4X4 and a side tank make true duals pointless.

MAF trucks were '96-7 Cali only.
Conversions are expensive.

I have a gearbox, but Baumann makes an OptiShift controller+ harness
And Transgo has 1/2" valve bodies, these are not as expensive.
Beyond that I don't know much about E4OD's

I searched up this thread... https://www.ford-trucks.com/forums/7...ft-module.html
Originally Posted by funzjb1
the truck is really gutless because it should be able to at least make the tires spin when you take off hard with the truck empty, not even a squeak out of the tires. pulling a 16 foot flat bed tandom axle goose neck trailer empty you really have to mash the throttle down to go up a slight incline going down the freeway. I read in one of the responses about the cat. being plugged?? how can I check this? cut it off and use a "test pipe" The truck had a new trans put in it several years ago but only about 20,000 mi ago. to me it shifts too fast into OD and takes alot of throttle to shift down. Is a normal of this trans? What are some mods I can do to this truck bring up the power without a huge bundle of cash.
 
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Old Sep 25, 2011 | 08:04 PM
  #20  
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It just occurred to me... have you checked your fuel pressure?

I find it hard to believe an unladen 460 P/U can't break the tires loose.
 
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Old Sep 28, 2011 | 01:42 AM
  #21  
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checked fuel pressure and it is about 30 psi at idle.
 
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Old Sep 28, 2011 | 02:59 AM
  #22  
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What happens if you disconnect the vacuum line?
 
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Old Sep 28, 2011 | 10:59 AM
  #23  
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which vacuum line are you talking about?
 
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Old Sep 28, 2011 | 11:14 AM
  #24  
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The one going to the FPR....
Is there fuel inside the vacuum line?
What pressure do you see with it disconnected?
 
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Old Sep 29, 2011 | 12:38 PM
  #25  
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where is the FPR ? I have not worked on this truck a lot
 
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Old Sep 29, 2011 | 10:26 PM
  #26  
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The fpr is on the drivers side fuel rail just to the right of the distributor next the the fuel rail connections. It has a vacuum line on the top that connects to the center vacuum port in the lower intake manifold.
 
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Old Sep 30, 2011 | 04:18 PM
  #27  
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I have removed the vacuum line and I did not see any wetness or fuel and when I removed the line my pressure went up to 40 psi. What is tis supposed to mean??
 
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Old Sep 30, 2011 | 04:19 PM
  #28  
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That it is functioning correctly.
 
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Old Sep 30, 2011 | 05:27 PM
  #29  
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I agree with Nevada Al, if your that close to Scotty J he is your answer. That dude can help you out. If your serious about making it run do what he tells you. I told him I wanted mine to pull like a freight train, did what he said and it pulls like a freight train. It even got an average of 1.3mpg improvement while doing this.
 
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