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Jan 22, 2008 | 12:56 PM

svt 03

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Does Any One Know If The 03 Lightning Is A 2 Valve Or 3

Jan 22, 2008 | 01:37 PM

joshua022

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From: Douglasville, GA

I bet it is a 2 valve...I don't think the 3 valve came out until 2004 with the new body style F-150

Jan 22, 2008 | 02:29 PM

trever1t

2nd fastest 5.3 ECSB

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From: NorCal

I fully expected something else by the title of this thread....

Jan 22, 2008 | 03:33 PM

explorer5.0

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From: oxford, MS

all of the supercharged truck 5.4's were 2 valve.

Last edited by explorer5.0; Jan 23, 2008 at 07:29 PM.

Mar 19, 2008 | 06:33 PM

buddy179

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Navigator heads bolt right up for a 4 valve set up, though...

Nov 15, 2009 | 02:03 PM

stoffer

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Quote:

Originally Posted by buddy179

Navigator heads bolt right up for a 4 valve set up, though...

WRONG!!!!!!!!!!!!!!!!!!!!!!!!!

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