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1997 - 2003 Ford F150 General discussion on the Ford 1997 - 2003 F150 truck.

Engine Builders talk.

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Old Nov 5, 2014 | 06:49 PM
  #5001  
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Originally Posted by MyFX4Project
Haha thanks tackle. I wasn't sure if there was a more respectable and reliable vendor.
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Old Nov 7, 2014 | 01:31 PM
  #5002  
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I've been watching a few Lightning vids on YouTube and I can't wait to hear that wine under the hood. There's definitely an audible difference between a stock pulley & a 4-6#. Zing zing brother!
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Old Nov 7, 2014 | 02:38 PM
  #5003  
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Originally Posted by charliedyal
I've been watching a few Lightning vids on YouTube and I can't wait to hear that wine under the hood. There's definitely an audible difference between a stock pulley & a 4-6#. Zing zing brother!
What difference do the different pulleys make in sound? Just higher pitch and louder faster with the 4-6#? Or what?
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Old Nov 7, 2014 | 02:48 PM
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Originally Posted by Cmanjr

What difference do the different pulleys make in sound? Just higher pitch and louder faster with the 4-6#? Or what?
Yeah. Larger pulleys spin the blower faster making the whine much louder. Also gives you more boost.
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Old Nov 7, 2014 | 02:54 PM
  #5005  
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Originally Posted by charliedyal

Yeah. Larger pulleys spin the blower faster making the whine much louder. Also gives you more boost.
Wouldnt that top out an m112 pretty quickly?
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Old Nov 7, 2014 | 03:01 PM
  #5006  
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Originally Posted by jprevat

Wouldnt that top out an m112 pretty quickly?
There are guys running 10# lowers with 2.73" uppers seeing close to 21#s of boost (allegedly). Don't know how long that would last. But that bad boy is definitely spinning!
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Old Nov 7, 2014 | 03:08 PM
  #5007  
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I found a totalled lightning at one of the local yards. Looks like it was t-boned by a semi around the rear wheel on the drivers side. I'm seriously thinking about pulling the whole blower assembly, fuel pump, and all the other crap I need to do the same swap. How much do yall think it will run me at the yard?
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Old Nov 7, 2014 | 03:18 PM
  #5008  
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If you put a bigger pulley on the bottom the outside of the pulley is turning faster to keep up with the pivot(crankshaft).


A larger pulley on the blower makes it slower.

Same concept as a 21 speed bike or any pulley system for that matter.
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Old Nov 7, 2014 | 03:19 PM
  #5009  
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Originally Posted by 2thousand5.4
I found a totalled lightning at one of the local yards. Looks like it was t-boned by a semi around the rear wheel on the drivers side. I'm seriously thinking about pulling the whole blower assembly, fuel pump, and all the other crap I need to do the same swap. How much do yall think it will run me at the yard?
Hell, offer him a grand and see what he says! LOL. It's a lowball, but it will give you an idea of what he thinks it's worth.
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Old Nov 7, 2014 | 03:21 PM
  #5010  
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Originally Posted by ibd2328
If you put a bigger pulley on the bottom the outside of the pulley is turning faster to keep up with the pivot(crankshaft).

A larger pulley on the blower makes it slower.

Same concept as a 21 speed bike or any pulley system for that matter.
Stock on a L is 2.93. HD is 3" I think. 2.73 is smaller & moe speed.
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