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2.4L LE5 Performance Tech 16 valve 171 hp EcoTec with 163 lb-ft of torque

LNF cams

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Old 03-01-2009 | 09:05 PM
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LNF cams
I found a post I thought was interesting and might help the people who are running turbo setups on their LE5.

Originally Posted by JBP
LSJ and L61 cams are interchangeable up until 2006.
The only difference is the timing;

'06 L61 116 Intake, -103 Exhaust
'06 LSJ 100 Intake, -115 Exhaust

2007 L61 intake cams are not interchangeable with any other ecotec cams.
2007 L61 exhaust cams are interchangeable backwards to a previous model year L61 or LSJ

LNF and LE5 exhaust cams are interchangeable with each other but not with any other ecotec cams.

All LSJ cams are interchangeable.

Thanks,
JBP
If the cams are interchangeable, this might be an alternative from doing a custom regrind. Also does this mean that any aftermarket cams for the LNF will work too?

Thoughts on this?
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Old 03-01-2009 | 09:54 PM
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Itd be sweet to kno this for sure
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Old 03-01-2009 | 09:54 PM
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Exhaust cam's are interchangeable, that does not mean the intake one's are.
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Old 03-01-2009 | 09:55 PM
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i dont know, the LNF is going to have a gear on one of the cams to run the injection pump.
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Old 03-01-2009 | 09:58 PM
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Originally Posted by PRND3L
i dont know, the LNF is going to have a gear on one of the cams to run the injection pump.
Which will be the intake most likely.
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Old 03-01-2009 | 09:59 PM
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Originally Posted by slowswap
Which will be the intake most likely.
i think you are right.
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Old 03-01-2009 | 11:52 PM
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would be nice to see some results from someone doing this.
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Old 03-02-2009 | 04:24 PM
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Originally Posted by slowswap
Exhaust cam's are interchangeable, that does not mean the intake one's are.
thats the down side I don't think the intake cam is interchangeable. But if it is the guys with turbo might see some decent gains.
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Old 03-02-2009 | 06:29 PM
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The intake cam on the LE5 is more agressive then the LNF intake cam, but is not swappable.

The exhaust cam on the LNF is more aggressive then the LE5 exhaust cam and IS swappable.

So the LE5 guys can use the LE5 intake cam with the exhaust LNF cam and have most aggressive factory cam setup possible, but this will only work in the LE5.
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Old 03-05-2009 | 01:03 PM
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I've got one on order, will let you guys know how it works out when i get it in and running.
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Old 03-05-2009 | 03:07 PM
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If you can find adjustable cam gears that fit the cams, you could greatly increase your numbers by changing the amount of overlap the cams see.
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Old 03-05-2009 | 08:23 PM
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I do have a question though, is it safe to just swap one cam? I wouldn't want anyone to damage their engine now.
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Old 03-05-2009 | 08:32 PM
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Won't do any damage unless you can't time it properly.
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Old 03-06-2009 | 08:19 PM
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I never heard of anyone just swapping one cam on a DOHC engine so I wasn't sure.
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Old 03-09-2009 | 09:48 AM
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can this cam go in a NA 2.4 or does it have to be turbo'd?
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Old 03-09-2009 | 12:17 PM
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This is a DOHC motor. You can adjust cam overlap with adjustable cam gears.
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Old 03-09-2009 | 10:12 PM
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Originally Posted by slowswap
This is a DOHC motor. You can adjust cam overlap with adjustable cam gears.
sooo thats a yes? lol
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Old 03-09-2009 | 10:13 PM
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Originally Posted by slowswap
This is a DOHC motor. You can adjust cam overlap with adjustable cam gears.
sooo thats a yes? lol
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Old 03-09-2009 | 10:13 PM
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Originally Posted by slowswap
This is a DOHC motor. You can adjust cam overlap with adjustable cam gears.
sooo thats a yes? lol
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Old 03-17-2009 | 09:02 PM
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yay you for a triple post!
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Old 03-18-2009 | 05:38 PM
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wow never seen a triple post before
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Old 05-16-2009 | 10:47 AM
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Originally Posted by Turbo06Sedan
I've got one on order, will let you guys know how it works out when i get it in and running.
Did you ever get this done?
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Old 05-16-2009 | 11:09 AM
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wat about 2.4 sc??
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Old 05-16-2009 | 11:36 AM
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Originally Posted by rockstar014
wat about 2.4 sc??
It might work but I really don't know.
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Old 05-16-2009 | 11:44 AM
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it's swappable for any 2.4 however.. it wont be a good grind if you're sc'ed will it work? yes.. will it give some gains.. probably... but it wouldn't be optimal
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