Blacktop Induction Noise

[nobbie]

Hey guys,

Just wondering what induction noise on the blacktop sounds (with POD filter and semi standard exhaust) like when the VVT is working?

My blacktop goes real nice, the engine sounds mint when Im not using the VVT (even in the higher revs), however when I put my foot the floor and the VVT starts working I get some more induction noise and then a mettalic tang (not a bad noise, quite nice actually) sound has the revs go through the 4-6000rpm range.

Having had a Honda with cold air intake previous, the sound is quite different.

Im guessing this is normal as everything about the engine is mint and shes only done 100k.

[93Levin4AGZE]

i somehow heard oneday, that blacktops got VVT all the way thru the revs....

[nobbie]

i somehow heard oneday, that blacktops got VVT all the way thru the revs....

they do when the accelerator is more that 3/4 down

[nobbie]

anyone

[will_20v]

blacktop + pod sounds mint as, dont worry about it, jsut do it!. if you want to hear what its like, take off your airbox and put a stocking over the intake pipe, but not for too long, might gum shit up!

[B1NZ]

sounds horrible before the engine warms up and VVT kicks in (almost like the horrible VTEC sound) but yeah they sound mint especially with thr right exhaust to go with it!
Mind you i have heard some ghastly horrible sounding ones, actually more bad sounding ones than good!! Just make sure you have a couple of resonators in the exhaust line in you go that way!!

[FLAWLES]

i think its a 4age thing or a muffler thing " thei tip of the muffler i had a ditech stainless muffler on it " my AE101 and it mad this crappy tang noise up high but sound wicked when iderling now ive got a chamber muffler with a chrome extention and it does the same thing

this is my theroy and im sticking to it

[Loudtoy]

Hey guys,

Just wondering what induction noise on the blacktop sounds (with POD filter and semi standard exhaust) like when the VVT is working?

My blacktop goes real nice, the engine sounds mint when Im not using the VVT (even in the higher revs), however when I put my foot the floor and the VVT starts working I get some more induction noise and then a mettalic tang (not a bad noise, quite nice actually) sound has the revs go through the 4-6000rpm range.

Having had a Honda with cold air intake previous, the sound is quite different.

Im guessing this is normal as everything about the engine is mint and shes only done 100k.

Yeah is definately normal and is really through the whole rev range usually morenoticeable between 3 and 5 grand but that could be your exhaust setup! Definatly put a pod and good airbox setup on your car - not only will you notice a good induction sound but you will also notice a slight increase in performance high up to Mind if you don't do a cold air box you will probably notice that it goes worse rather than better - 4age's like hot air even less than other motors

[DOHMAN]

not sure if you have already done it but i was told that if you take the tubes off the throttle bodies in the plenum it goes better and the induction noise is even better.

[nobbie]

take the tubes off the throttle bodies in the plenum it goes better and the induction noise is even better.

So can anyone confirm or deny this for a blacktop??

[Loudtoy]

take the tubes off the throttle bodies in the plenum it goes better and the induction noise is even better.

So can anyone confirm or deny this for a blacktop??

Confirm - some people will tell you you will loose low down torque by doing this but i have seen no evidence of this on a dyno or open road driving. The induction noise will increase slightly as will the torque up high - or maybe thats just that it doesn't drop off as much as it does with them on!

[DOHMAN]

if you are running a cold air box that is sealed you will also loosoe induction noise so its a matter of all noise no go or a liitle bit of noise and heaps of go go, the other thing that i found out with the quad throttle bodies is that the throttle bodie furthest away from the air filter struggels for air dont know why.

[4ageLova]

if you are running a cold air box that is sealed you will also loosoe induction noise so its a matter of all noise no go or a liitle bit of noise and heaps of go go, the other thing that i found out with the quad throttle bodies is that the throttle bodie furthest away from the air filter struggels for air dont know why.

So if you put air filter close to the throtle body, where does the cold air come from? What would be the best induction setup for power. I don't mind about the sound much.

Thanx.

[DOHMAN]

when i first got my car i was told to put a air filter off each throttle bodie but then you get the problem of no cold air, when i asked about it i was told that the further away the air filter is the better cause the air is disturbed more than if they are straight off the throttle bodies if you want you can have a look at my set up on the address below.

http://toyspeed.blackjack.net/profiles/ ... php?id=129

[4ageLova]

[quote="when i asked about it i was told that the further away the air filter is the better cause the air is disturbed more than if they are straight off the throttle bodies if you want you can have a look at my set up on the address below.[/quote]

hmm...

I'm getting confused. Why is it better if the air flow is disturbed? I thought it was good to maintain the air flow as smooth as possible.

And the link to your setup didn't work from my computer.

Could you please check. I really wanna see it!!

Thx

[DOHMAN]

sorry dude i put the wrong adress down try this 1, not too sure about the disturbed air but the guy at the shop told me that the more the air is diturbed the better and the further away tha air filter the better.


http://toyspeed.blakjak.net/profiles/profile.php?id=129

[4ageLova]

sorry dude i put the wrong adress down try this 1, not too sure about the disturbed air but the guy at the shop told me that the more the air is diturbed the better and the further away tha air filter the better.


http://toyspeed.blakjak.net/profiles/profile.php?id=129

Man!!!

Your setup looks so cool!!!

Where did you get it done?? Did changing to pod with cold air give you noticalbe power gain?? I wonder cause some poeple say getting pod for blacktop sacrifices lower end torque. You think that's true??

Yo~~ tell me details about it!!

[DOHMAN]

I built the box myself out of fiberglass sheet that was left over from when i was fixing dads boat and the top is tinted perspex off the boat aswell. i didnt notice a loss in power when i put the pod on but i did when i took the tubes off the throttle bodies in the plenum. at night time and on the open road you can notice the you notice the difference with the airbox. the thing that i have noticed with people who have AE111's that have made a airbox is that they are in the factory place with a pod and a airbox but the problem is the radiator fan blows hot air straight on too it thats why it probably loses power especially if you havnt put a cold airbox and just put a pod on


http://toyspeed.blakjak.net/profiles/profile.php?id=129

[MattrickMotorsport]

I lost power on dyno when i took tubes off the throttle bodies i have tried telling this to people before but no onw will listen

small loss of 3kw but hey its still a loss

[4ageLova]

Thanks for your insight.

I think most experienced people agree with the need of cold air box.

Someone mentioned in another thread that the battery can effectively block the heat. I think that makes sense too. I'll try that first and if not satisfied, make an airbox.

Thx y'all