FFIM Question (DashPot and ISC)

[Justin]

First:

If the dashpot is a nessesary device to make the car not die when let off the throttle suddently do the throttle bodies that go on the front facing intakes have those built in?

Second:

If there's no ISC on the manifold is there any way to make the car idle on a Maft Pro, Speed Density controlled setup?



Those are my questions.

Thank you for playing,


justin

 

[outofstep]

On 2JZ manifold the 7M ISC fits right into it.

Dashpot is not needed. I ran without one the entirity of the time I've had my car.

 

[yaitsme]

A little info on remote mounting options for an isc, posted up recently there.

... and what o.o.s. said above on the dashpot.

 

[Justin]

On 2JZ manifold the 7M ISC fits right into it.

Dashpot is not needed. I ran without one the entirity of the time I've had my car.

Eh, I'm refering to a custom manifold It needs to be welded in I imagine?


Is that true on a stock manifold as well? I've heard both accounts I guess... some say yes, some say no!

 

[outofstep]

I can take a picture of the 7M ISC bolted into a 2JZ manifold if you'd like. It changes the angle of the air nozel so the plumbing back to the intake will be abit different, but that's it. Trust me, it fits. If you go cuztom, you'd need to have a little deal welded into your manifold. Ron does a lot of his manifolds like that.

 

[tookwik4u89]

I'm with OOS, if you dont have it it will idle like shit unless you set it like over 1000-1200 rpms. The way ron does it you dont even see it, and put an a/f on it instead of hose to the intake.

 

[catback]

here's how i did mine
i like the idle @ 750sh

 

[MK3Brent]

No ISC here.

 

[Justin]

^^^ Elaborate

I can take a picture of the 7M ISC bolted into a 2JZ manifold if you'd like. It changes the angle of the air nozel so the plumbing back to the intake will be abit different, but that's it. Trust me, it fits. If you go cuztom, you'd need to have a little deal welded into your manifold. Ron does a lot of his manifolds like that.

I totally believe you man, but I was refering to a RonR style custom one. So that answers the ISC question, it'll just go on the bottom unseen!

back to the dashpot... even just on a stock intake mani, are you saying you run without one with no side effects?

kiwk, your car is sex as hell.

 

[MKIIINA]

check my setup. vpc w/ isc open to the atmo (filtered of course) on a ron r mani.

 

[chriso]

here's how i did mine
i like the idle @ 750sh

Wow, that's awesome looking catback, got any more pics of it.

 

[catback]

Wow, that's awesome looking catback, got any more pics of it.

here's a pic of the finished product:icon_bigg

 

[chriso]

here's a pic of the finished product:icon_bigg

Excellent !!!

 

[jimi87-t]

I have no dashpot and no ill effects. I also used the stock ISC but remotely located it with an adapter plate.

 

[Inygknok]

I have no dashpot and no ill effects. I also used the stock ISC but remotely located it with an adapter plate.

Got any pictures of it?

 

[QWIKSTRIKE]

No isc, and the car will work but....It's tough to start, and takes more cranking effort to get started. I am tired of trying to get started by cranking over, and over before its starts. So I posted a thread as stated in the first page link, and found many options. I think the fast setup is the best solution since its simple and less time consuming. Big aron also posted a very good option if it works. It seems to be the same as the fast setup function wise!

 

[Inygknok]

Read about the FAST set up, but too expensive for the "average joe" write up I want to do ¶

I love the whole idea about the remote ISC and such though. Or just extending it out, just need to know how it looks like so I can tell the welder.

 

[jimi87-t]

Got any pictures of it?

I love the whole idea about the remote ISC and such though. Or just extending it out, just need to know how it looks like so I can tell the welder.

I didn't get pics of it off the car, but I did make up this pic to show what I did:

I used 1/2" aluminum plate and some aluminum tube. I cut out the plates as seen in the pic, to fit the valve, spacer and so on. I welded the tube on and attached a hose to the tube and fed that to a similar plate made that fits on the bottom of my TB (engine side of throttle plate, TB already had provisions for a Ford ISC). Pic is NOT to scale!

 

[sethron71]

NO ISC needed, flanges can be added. The dash pot thing can be eliminated by simply turning up the return stop/ idle screw. Simply screw it in and it will stop the TB from slamming shut as well as allow for idling without ISC. In summer mine idles at roughly 650rpm once warmed up which surprised me but more like 850rpm is perfect. I ran a VPC last but cracking the tb so it never closes fully doesn't have anything to do with the VPC. HTH.

Sincerely,
Seth

 

[QWIKSTRIKE]

Doing it cheap and doing it right.... the choice is yours. It seems that every one over here wants to be famous for writing up how to's for accolades. A new Isc is 60-100.00 and to get something fabbed must cost a minimum of 50.00. The fast system cost 180.00 and will work gauranteed. So if you are broke ya might want a honda because Supra mods for the 7m isnt cheap if you go FFI, or want over 500rwhp reliably