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91 f150- 4bt swap

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  #16  
Old 05-17-2015, 09:50 AM
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Originally Posted by '89F2urd
An nv doesn't magically bolt to any cummins, only dodge versions (or gm if it's a 4bt gm app to gm nv).

What your engine will adapt to depends on what it came out of. Ford adapters are pretty abundant and much cheaper than a custom made adapter. . .finding one someone is selling is the hard part. Expect to pay 400ish tops for one of those. Any more and someone is asking too much.

ZF5 over nv45 all day.
Its out of a bread truck with a ford chassis. I put some thought into where it came from. I know I need a adapter and possibly a flywheel.
 
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  #17  
Old 05-17-2015, 10:30 AM
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Originally Posted by Jarryd
I'd definitely do they. My mazda is starting to slip behind a 300.
Ever start in 2nd?

Mazda trans doesn't have low enough gears to start out in anything but first without clutch abuse
 
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  #18  
Old 05-17-2015, 05:09 PM
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Im sorry guys lol my 300 gets 19 mpg i start in 2nd daily
 
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Old 05-17-2015, 05:26 PM
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Originally Posted by Sparky96
Im sorry guys lol my 300 gets 19 mpg i start in 2nd daily
How many miles You got on it?
 
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  #20  
Old 05-17-2015, 08:47 PM
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Originally Posted by blue924.9
How many miles You got on it?
295,642 miles it got 19 fresh off the lot in 96 and still does
 
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  #21  
Old 05-17-2015, 09:01 PM
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Originally Posted by Sparky96
295,642 miles it got 19 fresh off the lot in 96 and still does
how many clutches have you put in?
 
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Old 05-17-2015, 09:08 PM
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Originally Posted by blue924.9
how many clutches have you put in?
Still on the original clutch second slave tho it went out at 94,000 but the clutch is getting changed this month od slips when loaded
 
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  #23  
Old 05-17-2015, 09:12 PM
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2nd with mazda trans.....it's no miracle.

A) you don't do it

B) your axle gearing allows you to

C) you do it, but the clutch quality is high and 300 power is laughable, so wear in normal driving is basically non existant.
 
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  #24  
Old 05-17-2015, 09:12 PM
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I get 250 miles out of a 19 gallon tank on country roads with a fuel injected 300
 
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  #25  
Old 05-17-2015, 11:31 PM
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Originally Posted by bwright515
Itsiout of a bread truck with a ford chassis. I put some thought into where it came from. I know I need a adapter and possibly a flywheel.
Dunno how I missed this. Did it not come with an adapter? Guy prob sold it separately in an attempt to make more money.
 
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  #26  
Old 05-18-2015, 07:36 AM
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Wow, I'm surprised at how similar the output is between the 4bt and the 300. I was considering doing this swap at some point in the future but maybe not now. The 28-30 mpg sure would be nice, guess I need to look up the torque that the 5.8 produces.
 
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  #27  
Old 05-18-2015, 11:17 AM
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Don't let stock 4bt numbers shy you away from a swap. Over 200 hp can be achieved with no money, or very little depending on pump. I have less than 1k in mods to achieve my power output, plus ~400 for head studs of course.

Fwiw I never average less than 30 with 35 a/t and 3.55's. Ported head/man/turbo and a boost tube help a good bit there.
 
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  #28  
Old 05-18-2015, 11:37 AM
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Originally Posted by Sparky96
Im sorry guys lol my 300 gets 19 mpg i start in 2nd daily
Must be nice to get 19 I get 12 no matter how I drive -.-
 
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  #29  
Old 05-18-2015, 06:02 PM
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This is going to be awesome. Take some pictures!
 
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  #30  
Old 05-18-2015, 07:08 PM
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Originally Posted by DrZoom
This is going to be awesome. Take some pictures!
Yes it will! I'm siked about it. I sure will take some pics and keep y'all informed on it.
 
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