I remember seeing a post a while back on the basic settings for the AFM screw and Idle screw. The number of turns out for each of those screws were supposed to get your carb close to the ideal settings with slight tweaking either way. I tried searching for it but came up dry. Can anyone direct me to that thread or or give me the recommended turns? Thanks

 

Carbs troubleshooting, etc., are in the FAQs, in Sterling's writeups.

 

I still can't find the information I am looking for. Does anyone happen to know the name of the tread with the info in it. Doing a search on the carb settings yields too many results. Thanks again

 

Turn your idle speed in quite a bit it shoudln't matter. Mixture all the way in and out 4 turns. Start the car, then adjust your idle back out until your desired rpm is reached.

Works on my car at least.

Good luck.

 

What year carb? Does it have the 2 big adjustment screws one on top of another?

 

I used to turn the mixture screw in until the engine starts hunting then back out about half a turn. If you find the engine stalls when cold you'll need to back it out a touch more.

 

DONT OVER TIGHTEN the a/f mixture screw as sooner or later, it wont meter the mixture. the first thing I check when buying used carbs. Carb doesnt come with muscle control.

 

Turn the mix screw 2 turns to the right, 3 to the left, then 1/2 turn to the right. That's the combo that will open the gate where all the ponnies your engine has are locked.

 

Conversely, look up this thread that - surprise! - was in the FAWQ like Trochoideous said.

https://www.rx7club.com/showthread.p...hreadid=310927

How bored I must be.

 

and how my wise friend, does one check that?

 

Pull the needle out and inspect it for any sign of pitting or etc. On IDA inlcuding weber sidedraft, mikuni & dellorto, each barrel has a A/F mixture screw. If one tightens more than the other, thats when you start investigating.

 

I've been having one hell of a time trying to find the Idle Speed screw. No one that I have asked has been able to find it. Anybody have any pics of the location?

 

Thank you. That is the thread I was looking for. I looked through the FAQ, I don't know why I missed that one. Thanks again.

 

its just under all that crap where them lines n' cables run into

 

The screw is probably on the bottom front of the carb. You can see it if you stand on the passenger side of the car and look at the front side of the carb right above where it meets the manifold. It may be under a little cap that you need to pull off. Hope that helps.

 

It's right there, to the right of the mixture screw I think. I know I've seen a good pic somewhere. Lemme see if I can find it.

 

Yeap, found it. Hotlinked from Paul Yaw's website, thanks Paul.

If anybody cannot find the idle screw after looking at this pic please kill yourself. Thanks.

 

Thank you my wise friend. That sense makes.

 

how can u adjust the acc.pump to squirt more fuel into the jets as u push the gas pedal down? u just turn that ac.pump bolt? if so how many turns?can u remove the pump and get more power?

 

There is a 7mm. Nylock nut at the end of the rod which forces the lever against the spring. Turning this nut clockwise will increase the total amount of fuel injected into the engine during rapid throttle opening. Turning it counter clockwise will have the opposite effect.

There is a mod for the ap which increases the total squirt. Do a search and you'll find it.

 

You're the man cdrad. I was looking at the totally opposite side of the carb. Can definitely find it now. Thanks alot!!

 

thanks cdrad! im gonna turn it clockwise, i want mor fuel injected thats all

 

Careful though, you wanna adjust it so that the pump starts squirting as soon as you start pressing the accelerator, so an early or late shot might have undesired consequences. Adjust carefully.