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horsepower question

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Old Nov 28, 2007 | 09:37 PM
  #16  
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eco
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From: The dark carnival
Originally Posted by fordman68
is there anyway to get the 6 up around 200hp without rebuilding it
By rebuilding it do you mean doing anything to the guts of the motor itself or are you referring to a complete overhaul?



If you mean without touching the motor...then probably....and forced induction would be the best bet.
 
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Old Nov 28, 2007 | 09:40 PM
  #17  
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well i just bought a 78 f150 with a freshly rebuilt 300 6 andi wanted some more hp
 
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Old Nov 29, 2007 | 09:17 AM
  #18  
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Originally Posted by fordman68
well i just bought a 78 f150 with a freshly rebuilt 300 6 andi wanted some more hp
I'd say that motor has pretty low compression like all the motor from that era, so swapping on a later head would be a good start. The next thing would be upgrade the cam, and install a good exhaust system. It's 300 cubic inches so there's no reason it can't produce similar HP numbers as the V8 if you let it breath. I have seen a few stupid fast I6 drag cars at the track.. well over 300hp.
 
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Old Nov 29, 2007 | 05:38 PM
  #19  
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Originally Posted by Conanski
I'd say that motor has pretty low compression like all the motor from that era, so swapping on a later head would be a good start. The next thing would be upgrade the cam, and install a good exhaust system. It's 300 cubic inches so there's no reason it can't produce similar HP numbers as the V8 if you let it breath. I have seen a few stupid fast I6 drag cars at the track.. well over 300hp.
what head do u sugest? year, same motor? and is this a good cam for it or is there a better one? http://www.sdparts.com/product/CRA34...mshaftKit.aspx
 

Last edited by fordman68; Nov 29, 2007 at 05:43 PM.
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Old Nov 29, 2007 | 06:34 PM
  #20  
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From: THEHAUTE
yeah i agree with the 300 as a good choice.
it will tow pretty much anything you can hook to it
[from experience] you keep the oil in it and changed as said
it will outlast your truck
i love mine but it just doesnt have the get up and go the V8 has but
its a damn good engine
 
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Old Nov 30, 2007 | 08:09 AM
  #21  
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Originally Posted by fordman68
what head do u sugest? year, same motor? and is this a good cam for it or is there a better one? http://www.sdparts.com/product/CRA34...mshaftKit.aspx
You could start with a late model EFI head, it'll have smaller combustion chambers for sure, and possibly port it and add some larger valves. I'm not big into the I6 but I bet there are aftermarket heads available, compare the cost of all the porting and valve work and you may be further ahead with the aftermarket piece. A cam like the one you linked would be a good upgrade, but of course you want a 6 cylinder version not the V8 cam.
 
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