Bad news
I got a friend mine who is parts mgr. at a Ford dealer check this out, so it came from Ford Parts book.
Pistons ARE different. Rods ARE different. As matter of fact, L rods and pistons must be bought as a set of 8. They come pre-assembled with pistons, rods and rings on them. HD pistons, rods and rings have different part #'s and can be bought individually (generic).
Heads ARE different and are listed as "Lightning Only".
The HD's are just 5.4's with a blower on it.
I don't know about any of you, but this really p*sses me off.
Pistons ARE different. Rods ARE different. As matter of fact, L rods and pistons must be bought as a set of 8. They come pre-assembled with pistons, rods and rings on them. HD pistons, rods and rings have different part #'s and can be bought individually (generic).
Heads ARE different and are listed as "Lightning Only".

The HD's are just 5.4's with a blower on it.
I don't know about any of you, but this really p*sses me off.
That has to be a mistake...
I'm trying to get the same information you have from a ford employee at the Harley plant...
I'll let you know what I find.
Keep in mind, that just because the part number may be different doesn't mean they are necessarily worse. Ford often has different vendors for parts, sometimes because of a locality. It may be the same spec, just different supplier.
Ken
I'm trying to get the same information you have from a ford employee at the Harley plant...
I'll let you know what I find.
Keep in mind, that just because the part number may be different doesn't mean they are necessarily worse. Ford often has different vendors for parts, sometimes because of a locality. It may be the same spec, just different supplier.
Ken
Well call your local dealer. Ask them for part #'s and you'll see what I mean. I've called 2 more dealers so far and both gave me the same info. They ARE NOT the same engines. I didn't check block #'s...who knows..that's probably different too.
I called some time back and they told me the head and manifolds were the same part number for both engine. That was about 6 months ago and information was harder to come by.
I dont doubt you for a second, but I do doubt ford's ability to accurately give out information to dealers for service and parts...
So you have diff. part numbers for heads, pistons, rods, and rings. Did you check to see if the part numbers for a N/A 5.4 is the same as the harley parts?
Thanks
Ken
I dont doubt you for a second, but I do doubt ford's ability to accurately give out information to dealers for service and parts...
So you have diff. part numbers for heads, pistons, rods, and rings. Did you check to see if the part numbers for a N/A 5.4 is the same as the harley parts?
Thanks
Ken
Yep. Part #'s for the heads for the 5.4 and the HD's are the same. The L is not. The heads on the L are listed in the parts book as "Lightning Only". Piston's for the L come in a set of 8 (only) and come pre-assembled with pistons, rods and rings as a balanced set. I assume they are #'ed for cylinder placement.
HD piston #'s and rod #'s are same as 5.4.
HD piston #'s and rod #'s are same as 5.4.
I find hard to beleive that not even the magazines testing these trucks (or anybody else) could get this info 6-12 months ago. I don't doubt that your information is correct but I'm still very skeptical about this whole issue...
But if it is true then we are all f%^#up
But if it is true then we are all f%^#up
I have NEVER wanted to be wrong more than i am now...i hope all this info IS wrong....but i got a bad feelin here...
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Fepony,
Thank you for the effort you invested. Now, I would like if everyone could stop for a minute, take a deep breath, clear your mind, pull out and look at the forest, not just one tree, and think about following:
We shouldn't be answering this question for Ford. They should. We are consumer, they are manufacturer. We have right to know what we bought, they are the ones whose duty should be to answer that. Whatever we say we found out in our "homeworks" it is still not an official answer, is it? Manufacturer has to stand only behind official answers, correct? Nothing obliges them to stand behind anything we say what we found out, whetever that might be, correct?
That is why I suggest that we send a petitioned request for an answer. If whatever they say in return does not answer all of our questions to our full satisfaction then we'll see what next. In the meantime we should concentrate our energy on getting manufacturer oficially involved.
Please let me know if you support my suggestion.
Thanks in advance!
ZoranC
Thank you for the effort you invested. Now, I would like if everyone could stop for a minute, take a deep breath, clear your mind, pull out and look at the forest, not just one tree, and think about following:
We shouldn't be answering this question for Ford. They should. We are consumer, they are manufacturer. We have right to know what we bought, they are the ones whose duty should be to answer that. Whatever we say we found out in our "homeworks" it is still not an official answer, is it? Manufacturer has to stand only behind official answers, correct? Nothing obliges them to stand behind anything we say what we found out, whetever that might be, correct?
That is why I suggest that we send a petitioned request for an answer. If whatever they say in return does not answer all of our questions to our full satisfaction then we'll see what next. In the meantime we should concentrate our energy on getting manufacturer oficially involved.
Please let me know if you support my suggestion.
Thanks in advance!
ZoranC
Originally posted by ken800 I sent said request to a couple of people at ford already... will advise response.
ZoranC
i remember a while back when drop top i think it was blew his engine, since his warranty was void, he bought a L engine instead, and it had different part #'s for everything. i think thats who it was. maybe do a search to find that thread again.
this doesn't make much sense though. i can see where the HD and L would have different part #'s, but the 5.4L n/a and 5.4L s/c HD have the same part #'s?
this doesn't make much sense though. i can see where the HD and L would have different part #'s, but the 5.4L n/a and 5.4L s/c HD have the same part #'s?
Ouch. If I were someone looking to buy an L, but went for the HD because its an extended cab version of the Lightning, with the same power... i'd be pretty mad to find out, its not the same engine!
-Mike
-Mike
Originally posted by mecca Ouch. If I were someone looking to buy an L, but went for the HD because its an extended cab version of the Lightning, with the same power... i'd be pretty mad to find out, its not the same engine!
ZoranC
Last edited by ZoranC; Jan 21, 2003 at 07:09 PM.
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Hmmmm....
Performance is handily addressed with the installation of a slightly de-tuned Lightning powertrain. The 5.4L SOHC V-8 uses the same supercharger as the SVT model, but a larger pulley slows the blowers rotation speed, reducing the boost. The net result is 40 fewer horses than the Lightning-but still 80 more than a stock F-150 with the 5.4L engine.


