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Crate Motor Quest

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Old Aug 5, 2015 | 11:34 AM
  #1  
thinlizzy's Avatar
thinlizzy
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Crate Motor Quest

Hello,

I have a 74 F100 with a 360 motor, c6 trans and am looking to begin a project taking it from a farm truck to a street truck. I want to swap motors, improve the handling, lower it a bit to give it a more balanced stance, and a few other mods. I'm new to all this; this is my first stop in the process. I'm wondering what's the best crate motor for the money, and what will line up with my stock trans. I looked at Ford Racing website and wish I had the $$ for that. I have about $3500-$4000 for a motor. Any help with brand, family of motor, type, etc would be much appreciated.
 
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Old Aug 5, 2015 | 01:06 PM
  #2  
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HIO Silver
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From: NorCal
Farm truck to street truck? Why not both like I did with my '70??

Starting point: https://www.ford-trucks.com/forums/1...ide-build.html
As it sits now: https://www.ford-trucks.com/forums/1...l#post15549275

A lot of stuff happened between the 1,237 posts!

Stick with an FE to keep things as streamlined as possible.

If the engine still runs decently, I say stick with only the typical upgrades like exhaust, intake, carb, and ignitions system. The 360 in my '70 only has 76K miles so I concentrated efforts towards suspension and drivetrain plus the typical engine bolt-ons... well, I skipped the carb and went TBI.
 
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Old Aug 5, 2015 | 10:47 PM
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Jrgunn5150
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I always say the best engine is the one you have.

You already know it fits, and all your brackets work,and your trans bolts up.
 
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Old Aug 6, 2015 | 12:21 AM
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That's a good way to look at it. Thanks for your common sense approach. I'm not sure how many miles are on the motor I have, but the odometer has turned over once and it says 35,000, so I'm assuming its got 135,000 on it. Not sure if its ever been rebuilt, or what it would need to get the RPM's up. As it is, it winds out at about 60 mph on the freeway. I bought it off my brother, who only owned it for a short time. He put a new manifold and carb on it, but its a leaky beast. If I were to stay with this motor, what is the best way to proceed in order to turn my farm motor into a street motor?
 
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Old Aug 6, 2015 | 12:39 AM
  #5  
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HIO Silver
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What do you mean by "street motor"? Actually, let's use the term "engine"... what do you mean by street engine?

Since this is likely an ongoing project...Keep your rig on the road while upgrading the steering and suspension. But first do a compression check to evaluate its condition...Maybe pull and reseal it... a full engine gasket kit is about $100. It may be money well spent to extend its useful life.

And on the side consider building a separate 390FE.. Find on that needs to be rebuilt and have at it. maybe even consider a stroker kit from Survival for a 434FE or 445FE. The bottom end is strong already. Where FEs need help are the heads and exhaust. Look there for the most gains.

I've heard your vision for the truck but not really the plan which identifies the steps on getting there based on the condition of the truck. Does it really "need" an engine right now?

So, what is the plan? The outline and steps to achieve your vision?
 
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Old Aug 6, 2015 | 12:43 AM
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Jrgunn5150
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I'm in a similar situation actually, I have a 75 F100 4x4 with a 360.

The truck winding out in the freeway is likely a combination of no over drive and your gear ratio. Without a modern overdrive you're always going to want to keep it under 65-ish in my experience.

The main issue with the 360 is the exhaust is atrocious, and the compression ratio is somewhere around 8:1. If I were you, and its running well, I would try a 4bbl ,a good intake, and a set of headers. I'll bet you will be happy with those results, they really wake up.
 
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Old Aug 6, 2015 | 01:03 AM
  #7  
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HIO Silver
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From: NorCal
Originally Posted by Jrgunn5150
I'm in a similar situation actually, I have a 75 F100 4x4 with a 360.

The truck winding out in the freeway is likely a combination of no over drive and your gear ratio. Without a modern overdrive you're always going to want to keep it under 65-ish in my experience.

The main issue with the 360 is the exhaust is atrocious, and the compression ratio is somewhere around 8:1. If I were you, and its running well, I would try a 4bbl ,a good intake, and a set of headers. I'll bet you will be happy with those results, they really wake up.
... plus the aero of a barn.

The PO of my 4WD "73 had installed a 4v intake n carb but retained the stock manifolds with dual exhaust. I installed long tubes and opened it up with 2.5-inch tubing and those upgrades made a world of difference in power. Whoa.
 
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Old Aug 6, 2015 | 10:08 AM
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I've considered purchasing a '04+ Crown Vic and using the front cross member and full drivetrain on my F-100. Possibly even a CNG car.
 
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Old Aug 6, 2015 | 11:48 AM
  #9  
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Originally Posted by Jrgunn5150
I'm in a similar situation actually, I have a 75 F100 4x4 with a 360.

The truck winding out in the freeway is likely a combination of no over drive and your gear ratio. Without a modern overdrive you're always going to want to keep it under 65-ish in my experience.

The main issue with the 360 is the exhaust is atrocious, and the compression ratio is somewhere around 8:1. If I were you, and its running well, I would try a 4bbl ,a good intake, and a set of headers. I'll bet you will be happy with those results, they really wake up.
The engine has a new Edelbrock performer manifold, a Holly 650 cfm dbl pumper carb, Hooker headers, and new dual exhaust (one side new with crossover) all installed just before I bought the truck. The truck runs well, with the exception of freeway speed. What would it take to install a modern overdrive? (Like I said, I am new to this and this is my first stop in the process)
 
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Old Aug 6, 2015 | 11:54 AM
  #10  
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thinlizzy
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Originally Posted by HIO Silver
What do you mean by "street motor"? Actually, let's use the term "engine"... what do you mean by street engine?

Since this is likely an ongoing project...Keep your rig on the road while upgrading the steering and suspension. But first do a compression check to evaluate its condition...Maybe pull and reseal it... a full engine gasket kit is about $100. It may be money well spent to extend its useful life.

And on the side consider building a separate 390FE.. Find on that needs to be rebuilt and have at it. maybe even consider a stroker kit from Survival for a 434FE or 445FE. The bottom end is strong already. Where FEs need help are the heads and exhaust. Look there for the most gains.

I've heard your vision for the truck but not really the plan which identifies the steps on getting there based on the condition of the truck. Does it really "need" an engine right now?

So, what is the plan? The outline and steps to achieve your vision?
Well, since I am brand new to all this, I don't really have a plan yet. The truck runs well, and I like your thinking regarding keeping it on the road while I upgrade-I enjoy driving it. So where to begin in terms of steering and suspension? I imagine this work could be done while pulling and resealing the engine? Lots of little leaks, maybe a resealing kit will help with that too?
 
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Old Aug 6, 2015 | 09:37 PM
  #11  
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DeereFord300
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Originally Posted by thinlizzy
The truck runs well, with the exception of freeway speed. What would it take to install a modern overdrive? (Like I said, I am new to this and this is my first stop in the process)
An OD auto would be fairly difficult, as an E4OD requires a computer or separate controller. While they are available, it also wouldn't bolt up to the FE bell pattern. An AOD wouldn't require a computer but also wouldn't match the bell pattern. The OD manuals have the same prob as the AOD. The most efficient option would be to get a Gear vendors OD unit as that would keep the stock trans. It is expensive however, just your decision of if it's worth the dough
 
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Old Aug 6, 2015 | 09:43 PM
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Jrgunn5150
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There's multiple ways to get an OD, Auto or Manual, but none are cheap. You may actually be a drive train swap candidate...

Is a higher freeway speed, lower freeway RPM worth a few thousand dollars to you?
 
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Old Aug 7, 2015 | 12:39 AM
  #13  
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Thanks for all the input. Lots to think about, but that's what makes it fun. I think I will keep what I have for now and focus on modifying the suspension and stearing, since the engine actually runs well.
 
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