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2009 to 2014 F-150 3.5L, 3.7L, 4.6L, 5.0L, 5.4L, and 6.2L equipped F-150s

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  #11  
Old Sun, May 30th, 2010, 12:46 PM
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so in other words if im going to do one of those upgrades i might as well do all of them. How much extra power do you think i can get with the extra tuning. It says around 100 HP with out the tuning.
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  #12  
Old Mon, May 31st, 2010, 05:14 PM
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if your gonna do it, may as well be right the first time.
most of the HP claims assume ported heads/valves, on stock heads a more realistic number is ~70HP. also, most claims are not "peak" gains.
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  #13  
Old Tue, June 1st, 2010, 12:37 PM
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Seriously.
The best bang for your buck would be a supercharger.
JMHO
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Old Tue, June 1st, 2010, 01:36 PM
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Quote:
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Seriously.
The best bang for your buck would be a supercharger.
JMHO
agreed, i just don't have that kind of money at the moment
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Old Tue, June 1st, 2010, 01:43 PM
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agreed, i just don't have that kind of money at the moment
Neither do I!
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  #16  
Old Tue, June 1st, 2010, 03:25 PM
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my goal is to get as much power without losing gas mileage.
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Old Tue, June 1st, 2010, 06:10 PM
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both are "modular" motors, block/heads/cams/cranks, all can be interchanged
Interchangable=yes.
Component compatible=no
Certain things will need to be exchanged like intakes to make it work.
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  #18  
Old Tue, June 1st, 2010, 09:09 PM
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Increasing your cam duration / lift will move your torque curve up in the RPM band thus raising your HP. It will certainly reduce your mileage. High-duration cams have a longer period with the intake and exhaust valves both open. It drops cylinder pressure and wastes gas as the fuel/air mixture flows from your intake to exhaust when both valves are open. This flushes out the exhaust gases from your cylinder, resulting in more power. You will also need to ensure that the rest of your components match your cam if you change it dramatically (head ports, valve size, intake runner length, header length, injector size, computer program, gearing, torque converter slip, etc.) I would be careful about making a large change in cam design in a modern engine.
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Old Wed, June 2nd, 2010, 07:16 AM
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Originally Posted by freeman.public View Post
Increasing your cam duration / lift will move your torque curve up in the RPM band thus raising your HP. It will certainly reduce your mileage. High-duration cams have a longer period with the intake and exhaust valves both open. It drops cylinder pressure and wastes gas as the fuel/air mixture flows from your intake to exhaust when both valves are open. This flushes out the exhaust gases from your cylinder, resulting in more power. You will also need to ensure that the rest of your components match your cam if you change it dramatically (head ports, valve size, intake runner length, header length, injector size, computer program, gearing, torque converter slip, etc.) I would be careful about making a large change in cam design in a modern engine.
Thanks, If i understand what you are saying this isnt the way to go for what im tring to do.
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  #20  
Old Wed, June 9th, 2010, 11:00 AM
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Quote:
Originally Posted by freeman.public View Post
Increasing your cam duration / lift will move your torque curve up in the RPM band thus raising your HP. It will certainly reduce your mileage. High-duration cams have a longer period with the intake and exhaust valves both open. It drops cylinder pressure and wastes gas as the fuel/air mixture flows from your intake to exhaust when both valves are open. This flushes out the exhaust gases from your cylinder, resulting in more power. You will also need to ensure that the rest of your components match your cam if you change it dramatically (head ports, valve size, intake runner length, header length, injector size, computer program, gearing, torque converter slip, etc.) I would be careful about making a large change in cam design in a modern engine.
can this be helped by custom tuning.
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