THANK YOU for proving so many things! The RBC is not worth it in my opinion AND I’ve recently been looking into these cams and there’s not a lot of info/videos so this is perfect! About 10whp and 8-10wtq BUT steep upward power curve holding strong to redline. I like it I bet it runs real good
I'm impressed with the numbers and how quiet the car is. I'm catless with the 3 inch down pipe and I sound like I have cams. (Not what I wanted 😂) I opted for the RRC manifold from a type R with a j37 throttle body. My mid range pulls very hard. He would be happy with a bigger manifold. Great video Nick 👍.
Considering most stock k24z7 engines come from the factory laying down only 160-170 whp on most Dynos, this is pretty impressive on the plastic manifold. Can’t wait to see someone use an sk2 ultra manifold and these cams. 4p racing already have shown what the motor can do with ITBs and more compression.
@@jarebb1 it well do more if you add the RBC intake manifold or skunk2 pro or ultra. The R40 has most strongest 💪 contenting rods from previous Gen. Definitely has more tork then previous gen. 11.1.1 compression ratio
The performance is clear. I'm just waiting to see how reliable this setup is. The Z7 has been out for a long time but we finally have a set of mild drop-in cams. And apparently skunk2 just came out with some as well.
Nice! Very interested to see the graph overlay with RBC manifold swap when that gets done... Everyone with First Gen RDX wants to run the RBC manifold but I keep saying the 9th Gen plastic manifold is the way to go because the auto trans is limited to 7k RPM and all they are doing is loosing power where our engine lives. The last graph showing between 4P cam/no cam stock manifold neither rolls over until 7100-7200RPM. My prediction the RBC will be down compared to stock manifold until 6800 then beat it to redline for the 9th Gen in your video here. For 1G RDX I would go the plastic manifold for FMIC (it is THE best OEM manifold for a 7k redline) For TMIC stock ported 1G is the best option
I'm not sure. I didn't do them because they involved replacing valve springs (and I believe valves) at minimum, and it's not worth it for my racing series.
GOOD MORNING NICK. I HAVE A K24-A2. JUST HAVE A LITTLE ISSUE WITH IT. WHILE DRIVING ANY SPEED AND OUT OF THE BLUE IT WILL START POPPING THRU THE EXHAUST. THE COILS ARE NEW AND PLUGS. IT DOES FEEL LIKE A MISFIRE BUT IT'S NOT. ANY IDEAS? I ALSO RUN HONDATA AND THE K SWAP IMMOBILIZER. AND NEW HARNESS
The type-s pump wouldn't help with power in this case. The graph is dropping off above 7,500rpm. Usually you do the type-s pump to delete the balance shafts in the oil pump to safely rev higher.
Porting or trash it and get rrc. You can see on gears and gasoline when they put ported rbc that dip goes away. Video is " k swaping my civic again or something like that
I want to see how reliable this setup is for those of us out there who daily our 9th Gen Si’s. What are the cons to upgrading the cams? I’m looking at getting stage 2 skunk2 cams with the upgraded valve springs put in but don’t want to ruin my daily. (Does it affect long term reliability?)
That’s crazy, I have skunk 2 CAI and the Skunk 2 full race exhaust and tuned out makes 218 hp. Now I’m wondering what it’ll make if I do the drop in cams with the RBC manifold and throttle body upgrade..
Im very tempted! i know the rrc is better than the rbc but what im trying to figure out if with the rrc installed will it have the torque loss as the rbc. I would want to do the rrc with these 4p cams @@grassrootscience4461
I like you videos. Been watching you for awhile. Very detailed. If possible, can you do a comparison of Brian Crower Stage 3 cams vs DC drop in and/or 4 piston Drop ins? I have BC stage 3 but everyone beating me up about “what I should have bought”. Of course my motor is fully built with BC stroker lightweight. I’m just more interested in camshaft results between different companies.
Hopefully owner gets rid of the plastic intake manifold and swaps to the rbc. My powerband did the same where it just dies in the top end. Swapped to the rbc and retuned and car kept making power to redline
I watched your Honda fit k swap video you tunes, what’s up with that car and the fbo si and the huge dip in power at the crossover on both cars? You sure you know how to tune?
@@justinharris627 I live in Seattle and my tuner said gains from e85 would be negligible for what I have done. I wouldn’t really see any major gains maybe 5hp max switching to e85. I’m in the process of doing the k20z3 headswap.
all those mods, with the cams and a k24 and it makes less HP than a FBO k20 with stock cams?? Why do I feel like this car should be in the 230+ ? Also, why run a 70mm throttle body and that big intake but use the stock z7 intake manifold that defeats the purpose of those other parts? My k20 with just bolt ons, 3.5" CAI, 3" exhaust, stock injectors, stock tb, makes the same power as this minus the torque?
Rushing with tune before all parts are on. Did that couple of times my self. Without intake manifold all this mods are pointless. And I don't understand why would someone go for 4p dic vs dc dic as dc dic is proven and so far I haven't seen any good power curve with 4p dic.
@@grassrootscience4461 yes that's true. It's all if you got a good motor. Nick just did a FBO k24z7 FBO no cam 215 hp. Didn't look at the power band though
@@loganstrid8724 as far as I can understand it, the engines are basically the same other than some parts externally got moved around due to the different cars they are installed in. The internals are all the same.
@@grassrootscience4461 so basically pointless and actually causing turbulence/loss of power because of that TB? 😂 I assume the RBC can at least be port matched for that TB?
@@lcq4blackstar turbulence is not as bad as everyone makes it out to be. Back in the 90’s-2000’s oe had butterfly valves in there intake to change the volume of the intake manifold and to introduce turbulence. The down side to it is the top end of the engine suffers and outright peak numbers are just not there. In theory, if I was able to port match this the power band would move up a few 100rpm and I would make an extra 3hp but would lose about the same in torque and the low end would not look the same.
@@tuningbynick by the factory spec I would suspect that it performs similar to k24z3 cam. And it is really strange that people in US and Canada don't use k24z3 cam in k24a2 builds.
@@Without_Limit_Auto with google serch it say that k24z7 is identical to k24z3 (cu2)engine. Only difference is block casting. With simple google you will see what difference is between 08 tsx cam and cu2 cam. Cu2 cam is superior because you gain 5-7hp on low cam over tsx cam and because of that everyone in EU is using cu2 intake cam in k24a3 engines (over the 08 tsx cam) .
Nah, my k24z3 tsx auto put down 220whp @7800 rpm fbo on stock cams, but made 170wtq, this setup with a better intake manifold will def put close to 250whp and def get over 200wtq, thats impressive without having to swap heads and changing out header and all that crap. Ported stock head would be nuts.
at 5500 rpm that k24 you tuned on stock cams loses power all the way until redline...some people should just not mod their cars. with a power band like that imagine your car is slower as it speeds up. those graphs and just hideous, and honestly, just shows lack of quality work.. huge dips when vtec hits, does not make any sense.
I think the main issue is the 9th Gen SI K24 variant itself which is designed for lots of midrange with the plastic intake manifold and the single port exhaust manifold. If these mods where on a TSX K24 it would be 240 easily.
@AllThingsVtec thats incorrect, the tuner can only tune what is in front of him.I would like to see what happens with an actual FBO 9thgen with these cams.
@@slowka You're going to need hondata if you're running cams and getting tuned on a Dyno. Hondata definitely let's you get in and mess with fuel and timing and cam phasing. This isn't a guess. By tuning the car by definition you are messing with those exact parameters of the engine. It is precisely what tuning an engine is. How can you possibly get that wrong??? How exactly do you think dyno tuning an engine is done???
There is article on motortrend where Nick has tuned k swap civic with stock k24a2 08 and than swap dc dic in it and gain was 15ish hp on low cam and 20-25hp on hi cam. You can google it out.