HD engion vs Lightning
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Junior Member
Joined: Feb 2003
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From: Georgia
HD engion vs Lightning
What is the engine difference between an 02 HD motor and an 02 Lightning motor?
I know there is the 40 HP. But what accounts for that 40HP? Pulley size? Chip?
Does the HD have forged rods and pistons like a Lightning?
I know there is the 40 HP. But what accounts for that 40HP? Pulley size? Chip?
Does the HD have forged rods and pistons like a Lightning?
Senior Member
Joined: Sep 2001
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From: Motor City
The HD runs 6# of boost the Lightning runs 8#.
FYI....There is no "chip" on either vehicle. But if your referring to the PCM program then I am pretty sure the Lightning program is a bit more aggressive.
All internals are the same with the 2 motors as well.
--Joe
FYI....There is no "chip" on either vehicle. But if your referring to the PCM program then I am pretty sure the Lightning program is a bit more aggressive.
All internals are the same with the 2 motors as well.
--Joe
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Joined: Aug 2002
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From: OH
fordtruckworld.com just did an article on this topic, was about boling on the lighting pulley assembly to a HD (something of this matter, not exactly sure)
but pretty much the only difference is the pulley size.
but pretty much the only difference is the pulley size.
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Joined: Sep 2001
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From: Motor City
Originally posted by monroes
but pretty much the only difference is the pulley size.
but pretty much the only difference is the pulley size.
More info here
--Joe