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A little info on 5.4's and chargers... A little info on 5.4's and chargers...
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  #16  
Old 07-01-2009, 02:33 AM
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Join Date: Oct 2005
Location: Wilmington DE
Vehicle: 2003 Fast Screw
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Originally Posted by Skaz View Post
The lightning block is the same as the NA block except for the compression ratio. Lightning blocks are 8.4 to 1 and the NA block is 9.0 to 1. There are a lot of lightning guys making over 500 hp at the crank on the stock block, but at that point the rods are ticking time bombs. They are definitely the weak point.
The Lightning block also has forged pistons and forged crank!

Phil

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  #17  
Old 07-01-2009, 08:33 AM
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Join Date: Jul 2006
Location: Farmington, MO
Vehicle: 1998 Ford F150
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Originally Posted by Skaz View Post
I shouldnt have. Ford switched to cast cranks in 2000 on the f150. A few extras trickled in here and there but the only 5.4 in 03 with a forged crank wouldve been in the lightning.
my 98' had a forged crank, along with my 03 engine I bought for parts. Go with a 5.4 and be done. Get good rods, pistons and heads, and you will never have a problem. Being as your using a ported eaton, you wont even be stressing the engine
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Last edited by built54; 07-01-2009 at 08:35 AM.
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