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302 vs 351 build

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Old Jun 10, 2014 | 10:47 PM
  #16  
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A 302 in my opinion, won't get you the power you want down low unless you "fake" the horsepower with low gears, then you'll be reving the engine all the time.
Keep looking for a 351. All you need is a block and crank with rods. Nothing else. You'll be buying pistons, cam, heads, intake.... And the rest will transfer from the 302 currently in the truck like timing cover, engine mounts and front accessories.
 
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Old Jun 10, 2014 | 10:53 PM
  #17  
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Yeah, I don't plan on changing the gears out until I put the new motor in, and then eventually lift it and put some 33's, maybe 35's on.
 
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Old Jun 10, 2014 | 11:03 PM
  #18  
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351 windsor ford 5.8 liter and tranny 400 obo
Found this. Waiting on response to see what comes with the motor. It'd be great if it was at least a short block cause I could sell some parts to make back money on it. I'm hoping it's complete cause that's how it's worded.
 
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Old Jun 10, 2014 | 11:32 PM
  #19  
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Just make sure it's a 351. Not sure what he means by bigger unless he's doing a 460 or diesel.
As far as selling stuff off a long block to make money back, no one wants the crap that's removed unless they are doing a stock rebuild. You'll get almost as much and less hassle if you just scrap the iron parts. The intake, if you don't want to buy a new one, I can port the 351 lower on my mill, then hand port it to match the 302 upper for some gains until you get a mustang style intake setup for it. Message me for deatils. Or you can do it if you have the stuff.
That's a good deal. But like I said earlier, you're replacing most all the stuff. So you don't need it to be 100% complete.
 
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Old Jun 11, 2014 | 04:27 PM
  #20  
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Would a 1990 roller 5.0 be worth getting or should I be dead set on of 351? I'm guessing I should stick with finding a 351 since I want bottom end power?
 
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Old Jun 11, 2014 | 04:48 PM
  #21  
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You can build whatever you want. I'm suggesting a 351 though.
A mustang roller engine is good to start with, but so is an explorer motor.
You may just be plenty happy with an explorer engine swap. I/we don't know what you really want or how much power you need.

Like I said before. Read my 6 steps again.
 
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Old Jun 11, 2014 | 05:52 PM
  #22  
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Welp, the 302 roller I was just talking to fell through. He has a whole package of a drivetrain except ecerything is broke but he has it proved like its in perfect condition and won't budge. I'm gonna wait for a 351 roller to come around. And I'm gonna ready to jump as soon as I see it.
 
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Old Jun 12, 2014 | 10:56 AM
  #23  
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All else being equal a 351 is 3 seconds faster than a 5.0 0-60.. that's a big difference.
 
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Old Jun 12, 2014 | 03:11 PM
  #24  
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Well that definitely settles it. If it's that much faster stock, it's definitely a better platform to base a built motor off of.
 
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Old Aug 17, 2014 | 12:19 PM
  #25  
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Still looking for a block and I had another question. Is there any difference for where the motor mounts are on the block depending on what vehicle the engine came out of?
 
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Old Aug 17, 2014 | 07:42 PM
  #26  
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All 302 and 351 share same engine mounts and locations. All the same locations no matter if it was a car, truck, or van.
 
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Old Aug 17, 2014 | 09:55 PM
  #27  
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Can I buy a block that was carbureted and just install an EFI intake and have it work fine?
 
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Old Aug 17, 2014 | 09:56 PM
  #28  
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Originally Posted by Deadsquiggles
Can I buy a block that was carbureted and just install an EFI intake and have it work fine?
Yes. Its the same thing when going from EFI to carb.
 
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Old Aug 17, 2014 | 10:09 PM
  #29  
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Originally Posted by Deadsquiggles
Can I buy a block that was carbureted and just install an EFI intake and have it work fine?
Any 302-351 from 66 til 01 have the same bolt pattern of everything.
The only thing you need to pay attention to is the cam. If the engine you get has an aftermarket cam, it possibly will have a lobe separation not compatible with the efi. But other than the 60s engines, all stock cams will work fine with efi.
 
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Old Aug 17, 2014 | 10:11 PM
  #30  
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Originally Posted by UNTAMND

Any 302-351 from 66 til 01 have the same bolt pattern of everything.
The only thing you need to pay attention to is the cam. If the engine you get has an aftermarket cam, it possibly will have a lobe separation not compatible with the efi. But other than the 60s engines, all stock cams will work fine with efi.
Not quite true, around mid 1975-1976 Ford changed the intake bolt count from 16 to 12 so you have to watch the year heads you use so you don't have to plug coolant passages.
 
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