Installing PT6 for butter flys

[Oja]

I ordered a PT6 ECU for my F22a6
I have the PT3 right now running my F22a6
wondering problems im going to encounter or fairly easy proj. plug n play or do i have to add a wire ?
main goal getting ECU to run Butter fly valves for INT. please reply anyone that has had to do this already,
Info. i have the full F22A6 Intake with TPS, IAB, diaphram hooked to the secondary runners, I was told all i need is the ECU so hopefully this is the CASE...please tell me this is plug n play and no modding to the harness probably tho b/c my harness is a 91 LX so the ECU prolly didnt come with the wire for the control box for the secondary runners well anyways someone help an get back at me ~!~PEACE~!~ ttyl

[slammed4thgen]

why do you want butterflies?

most with them delete them

[bcjammerx]

because they are partly responsible for the increased hp vs a1

Only reason to delete them is if you have some extensive intake/exhaust mods which result in the low end / high end gains by having the valves is less than not having them. I would think on a stocker it would be best to leave 'em haven't seen anyone prove hp/torque is better throughout with them deleted on a stock engine.

Seems most who delete are boosted or have some cam mods and machining of the intake mods.

[slammed4thgen]

because they are partly responsible for the increased hp vs a1

Only reason to delete them is if you have some extensive intake/exhaust mods which result in the low end / high end gains by having the valves is less than not having them. I would think on a stocker it would be best to leave 'em haven't seen anyone prove hp/torque is better throughout with them deleted on a stock engine.

Seems most who delete are boosted or have some cam mods and machining of the intake mods.

either way flow should be better up top with no interruption no?

[bcjammerx]

you would have to compare a dyno of an all stock a6 with the valves in place and operating with one with the valves removed.

I don't think the higher rpm's will benefit much in that comparison. The valves all the way open shouldn't really have too much of a negative impact...but I'm sure they could effect flow.

A third comparison of a gutted and honed out IAB plate...or with the middle plate basically just a metal spacer...but that's kinda extreme and once you go that far you should have some other more serious intake mods.

Seems unless you have that done, just leave 'em operating

[Ander]

lol since no one answered his question...

Yes, it should be plug and play.

[bcjammerx]

wow...yeah...fail...thanks for picking up the ball

[93F22A6]

I'm pretty sure you'll have to add a wire for the iab selinoid that allows the iabs to open.

[deevergote]

by butterflies, do you mean a variable intake system? similar to the legend c32

if so, the main purpose is to interrupt airflow at lower RPMS, making the engine have to "suck" harder (remember an engine is basically an air pump) and this can increase tq through the bottom end, the legend has a 2 stage V.I.S. system that when the second stage opens, you can really hear AND feel the increase in top end power.

personally i'm a fan of tq, not peak HP as i will hardly use it in high rpms.

again, i'm not familiar with the butterflies in an accord motor, i'm a pure f22 noob, i just know i've got "the good one" (90ex), i'm also no mechanic, i understand a few basics, but am not, nor will i ever claim to be an engine builder.

Actually, the motor in your 90 EX is pretty much the same as the one in the LX and DX. The only difference is your tubular exhaust manifold. (F22A1 is the LX/DX, F22A4 is what you have... with that one difference). The F22A6 is the 91 and 93 SE motor, and more commonly, the 92-93 EX motor. That's the "good one" in the US models. It's also the one that has the "butterflies", which is the IAB system. It is electronically controlled, though it can be made to work on vacuum. It increases low RPM power, and then opens up later on, to increase high RPM airflow. The H22 and H23 also have it.

[slammed4thgen]

I'm pretty sure you'll have to add a wire for the iab selinoid that allows the iabs to open.

and run the vacuum to it

[93F22A6]

and run the vacuum to it

I would hope he would have the common sense to do that as well.

[Oja]

comp. was down for a day

Wow Well my brother in law didnt swap the PT6 out of the 93 when he swapped the engines, So i got my PT6 yesterday in the mail went down and swithced them and man ! the powerband was comparably different then the PT3 i think. with the iab's running again.