Howd' they do that?
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New User
Joined: Nov 2006
Posts: 16
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From: Mt. Jewett, PA
Howd' they do that?
How did they get 30 more horses out of the 351 5.8l engine. I have a 1988 F150 and it has 210hp. The Lightening has the same engine, and 30 more horseys and the same engine. How'd they do it? Oh, and by the way I just bought this 1988 for $300, it has 4wd, little rust, and 112K miles. Not bad... XLT Lariat too... Can anybody answer that question?
Posting Legend
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Hello- Welcome to FTE! I have moved your post to the specialized forum we have here for your question. Check out the list of tech forums we have on FTE. There is a wealth of information and expertise here to help you. Check the links at the bottom, and the menu bar at the top, of the page for more information and resources. Have fun! 
FTE Legend
Joined: Jun 2006
Posts: 31,930
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From: Ottawa, Ontario
The answer? Airflow. An engine is an airpump, the more efficient you can make it at pumping air the more power it'll make. Things like higher flowing heads and intakes, headers, and performance camshafts all contribute to improving airflow. Adding or changing these parts on your '88 will yield the same benifits.
Elder User
Joined: Mar 2004
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The stock lightning 5.8 had a mild flat tappet cam, and speed density. The computor was programed for the motor. The intake manifold was indeed the tubular GT40 set up, way different from a stock truck EFI setup. The lightning is good example of how important the heads, and their airflow numbers are. BTW, with headers and a high flowing exaust system, the HP was an easy 310.
Last edited by P51D Mustang; Nov 16, 2006 at 08:07 AM.
