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07 TL-S cams fit with no issue. They are lighter and with more duration than the stock cams, because they are lighter this will help with reving in that they will lower rotational mass, not as much as a lightend crank pully, but every little bit helps. There are also no issues with valve clearence. Another valvetrain piece of intrest from the 07 TL-S are the exhaust valve springs, they are about 15% stronger than the stock springs, this will help alot with over rev valve bending since in that scenario it is the exhaust valves that take the beating.

Observations----
1. stock cams are 6lbs 2oz- TL-S 5lbs 1oz
2. .3mm taller vtec intake lobe and definatly higher duration (don't have the equipment to mesure properly).

Mr. Paul should be doing this mod for me before the megameet.

Can't wait to see your upgrade guide for these cams on here Paul

LOL, upgrade guide, remove stock cams, replace cam seals, install 07 TL-S cams, re-adjust valves........

^^^I was referring to the nice writeup pending on the placeholder OP thread

:p

Funny guy

Hope to see something filling in that "place holder" spot.  Considering that you're a mod here and that nobody else is posting any J Series performance info, there's no need to have a place holder thread.

This will be one of my projects to do. Thanks for the information Paul. Maybe, I have to put TL Type S exhaust valve springs to my list.

On a side note: Paul I have the same blow gun. LOL

Nice info Paul.  Is the difference only on the VTEC intake lobe?  Are the other lobes identical?  I'm guessing you used a micrometer to measure the amount of lift.  What would you use to measure the duration?

To mesure duration you would use a degree wheel, a good one is about $500 and no I did not see any visible difference in the non-vtec lobes. Also the TL-S cams are forged which is why they can get away with being hollow.

Nice write-up, Paul! I'd like to see a before/after dyno on this.  What kind of EMS would you recommend for the cam swap? I know you couldn't get away with this if it were a K series, but I know J series have some tricks up their sleeve.

Actually the only REAL tuning I have found for the Js is the AEM FIC, gives independant injector control rather than just screwing with sensor data and has the O2 skewing to keep the ECU from de-tuning, just wish it had timing advance, to can only retard timing at this point. The J ECU will adjust to them without tuning after a while, but of course tuning is needed to get the full potential out of them. All of the installs I have done so far have included engine displacement changes 3.3L-3.5L-3.6L, so there are no clear "just cams" dynos out there yet.

hm. intresting. for some reason i started looking into engine performance upgrades. this and crank pullie. but no way im doing it myself

Well, come on down, I can knock it out in a day, you are about 2.5-3 hours away from me, if you know WorldOnOneFinger, he came down for his J33 engine build and then latter ended up replacing the heads on his car to bump the comression from 10:1 to 11:1, was able to complete the full head swap in 10 hours, just doing the cams is about a 4-6hr job.

yeah i know him. met up with him couple times and got my intake from him
i was thinking closer to mega meet maybe. if i came down day earlier or something?

Sounds like a plan...

any word on 2009 3.7l cams from TL? i tried to search and it said 4% more lift or something

2009 Parts catalogs are not up yet....

hey guys i'm new here n of course i'm looking to upgrade internals in my J n yeah i was told that u can change the cams n by reading i confirm everything, but i'll b honest here i know nothing but i been learning little by little, i have a 03 V6 n like i said i'm very intersted in trowing sum cams but i need more info like from what year TL-S cams i should get n what other things i would need... if u guys can point me in the right place n willing to do a lot of reading b4 i do anything at all thanx for the info

If I'm not mistaken you should be able to use the type S cams from 04-07. Basically, the 3G TL. I don't know much about the J but that's what I gather. Have you checked out v6performance.net (http://www.v6performance.net/) yet?

i have n that's how i got here lol i was told over there that here i would b able to find ppl wit more knowledge about engine upgrades n stuff... i asked if i can do a head swap but they told me that there is no head swap for the J but porting,cams,springs n other things can b done instead

you should read this thread (http://elitecm.net/forums/viewtopic.php?f=18&t=40) as it contains valuable information in regards to doing internals work to the J series motor. if my dad wasn't being an ass i would be swapping cams, pistons and all from a j37

NVA-AV6 has more J series knowledge than is considered healthy. He should be your source but, he's a busy man so don't waste to much of his time...

Well, I do offer head swaps for the Js, basically I take a set of heads, port/rebuild/ shave to raise compression to 11:1 and ship them to you or you come here for a day or two for installation.

Paul. whats the gains or benefits of raising compresion?
i asume after raising compresion you have to run premium fuel?

Yes preimum is pretty much a must or performance will hurt alot due to the amount of timing the ECU will pull to keep knock down. Raising the compression is a performance and efficency bump across the board.

either 1 of them sounds good... where r u located ??? correct me if i'm wrong but ur name is paul right?

Yes his name is Paul. He's in VA. A bit of a drive for you, but the knowledge he possesses as well as what he's accomplished with the J series makes his services worth the drive.

i used to live in College Park,MD 5 years ago n i still drive up there for the holidays... my name is Raphael but close friends just call me J.R. uh... i been reading a lot b4 making any post n yeah Paul seems to b the main guy when it comes to the J Series n Paul i'm planing on driving to MD this xmas that is if i can get my vacation from work... i'm really driving to upstate NY to c my girl but i can spend a few days in md n pay u a visit to c what can we do.... I'm far away from any turbo/SC but i do want to do any work on internals...

Well, JR, make a profile and throw your name in your sig so we know who you are. As for the profile, make it even if your car is 100% stock. We don't care. Stock or not, we like to see Accords (obviously).

sure will... n thanx 4 the help

Hey JR, yeah let me know what you want to do, normally in the case of a head swap I will pre-build the heads and have them ready to be swapped which takes usually 1 long day, but allow for 2.

i am trying to get some of my internals done to make my car perform a lot better. I was curious to know what you guys would recommend doing to get the most out of the engine. I dont have a turbo or supercharger, just a stock v6.

Stroke it......

i have been doing that to and she doesn't like it... lol, i have just ordered a greddy evo 2 exhaust, pre-cats, j-pipe with test pipe, and i wanted to know what internals are clutch in getting the best performance out of your car.

Paul, I am trying to make some upgrades in the internal department, and you are the man to talk to. I want to get the tl-s cams, and the spacer. would it be in my best interest to upgrade the throttle body while i am at it...

The larger TB won't buy you much nor will the TL-S cams without head and runner porting.

ok, sorry i am not good with the internals. still a newb and learning what i can. but are you talking about just porting out the head to make it bigger to take in the increase of air. if i was to do that what would be the best size to bore it out to. are there other things to do as well, while i am trying to get things to upgrade my internals. i want to do a lot at one time. i was reading on how to increase the displacement by replacing the rod, piston, and crank. so if you can give me more advice that would be great thanks.

First do some google research on head porting and what it really is about.

so far i like cams. pretty sure i can feel and hear little more power

read this for the basic on head porting. There are better supplemental reading somewhere else.
http://www.importtuner.com/tech/0703_impp_engine_heads_and_valves/viewall.html (http://www.importtuner.com/tech/0703_impp_engine_heads_and_valves/viewall.html)

Debating if this is worth it or not on my setup...