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What's the different between the Lightning 5.4 and the regular F-150 5.4?

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Old Feb 26, 2001 | 11:38 PM
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JohnKirsten's Avatar
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Post What's the different between the Lightning 5.4 and the regular F-150 5.4?

I know there are some...but what are they? Or did Ford just slap a supercharger on the 5.4?

Does the Lightning have a piston/connecting rod/valvetrain upgrade?
 
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Old Feb 27, 2001 | 12:06 AM
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NO...YES...YES...YES...

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Red OO Lightning born 8-14-00 brought home 9-16-00 Mod are the usual suspects.Air Raid intake, R9 superchip,Duel Flowmasters,2" drop out back, 18x10 torq thrust II wheels.
13.4 sec at 100 mph
 
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Old Feb 27, 2001 | 01:30 AM
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Pistons are forged (not cast), with lower compression.

Conrods, crank the same.

Camshaft and steering wheel from the Mustang GT.

Unique upper intake, intercooler, exhaust, (not the headers), muffler.
 
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Old Feb 27, 2001 | 01:36 AM
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Cool

Not Ford, Eaton put a Lightning on there supercharger.

FD

Black 2001 Lightning
Mods:
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Black 2001 F150 SuperCrew 4X4 Lariat
Off Road Package
Chip Jet Performance
K&N Gen II Intake System
Ravin
Gailord Hard Tonneau and Liner
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Old Feb 27, 2001 | 11:45 AM
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BlackLight-

I'm confused...

<font face="Verdana, Arial" size="2">Conrods, crank the same.</font>
Are you saying they are the same as the regular F-150? Or same as the pistons in that they are forged? I'm pretty sure the L has a forged crank and connecting rods too...
 
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Old Feb 27, 2001 | 06:27 PM
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The connecting rods are not the same.

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Old Feb 27, 2001 | 07:11 PM
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The conrods and the crank are exactly the same as in the normal 260 hp 5.4L V8.

Just as in other 5.4's, the conrods are forged and fracture-split to ensure a more precise fit onto the crank. Here's a copy from Motor Trend when they first tested the 1999 L:

"The heart and soul of the Lightning is its supercharged 5.4-liter SOHC V-8. Compared to other Tritons, it boasts new forged pistons (to handle the elevated combustion pressures and drop static compression ratio), new intake tract (including new manifold and big-bore throttle body), water-to-air intercooler, and the all-important Eaton Roots-type supercharger."

"One of the more impressive aspects of this engine is how few modifications were made to handle the extra 100 horses.) The only internal changes were unique forged pistons and stronger wrist pins. The piston change drops the compression ratio from 9.5 to 8.4. Virtually everything else is stock, including rods, crank, block, and front cover. Even the stock cast-iron exhaust manifolds were used. Steel headers were tried but proved too "noisy"-too bad. The rest of the exhaust system consists of a California-calibrated catalytic converter and a single high-flow muffler plumbed with dual stainless steel pipes to just ahead of the right rear tire."

http://www.motortrend.com/june99/ford/ford_svt_f.html
 
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Old Feb 28, 2001 | 12:55 AM
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Slightly different topic...

The pistons are lowered compression, and forged to handle the additional HP...

The connecting rods are ALREADY forged, therefore require no upgrade...

Is the crank forged?
 
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Old Feb 28, 2001 | 08:01 AM
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The crank, rods and pistons are forged, and the rods are fractured, not machined. I was pretty sure the regular 5.4 uses machined rods, but I can't find a source for that. THe vlaves are different and the roller finger followers and hydraulic lash adjustment are unique to the S?C 5.4, according to the SVT literature. Also, the 4R100 tranny is a purpose built miodel for the Lightning, and is the stongest variation of that transmission built (actually that would make it the strongest light/medium truck automatic anyone builds, including GM's new allison 5 speed).
G
 
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