BigJermMiata

I have a 1994 NA Miata which was turboed about 7 months ago everything was professionally done but a performance company in my area.
for about 2 months now i have not driven the Miata because of an idle issue i have been having which both scares me on the road and shuts off my car sometimes aswell.
i have recently checked for vacuum leaks (none) cleaned the throttle body which as a result did nothing again. i have mega squirt in the car, if learning mega squirt is the best thing to do here to really hit the pin on the head here i will read the forum on that and get to it.
i uploaded a video maybe one of you have had the same issue with idle. anything would help thank you in advance. i just found out about this forum site and i will definitely be lurking around here because i really do love Miata's and im curious to see how all of your builds are going.
this is a picture

DNMakinson

iTrader: (3)

Welcome. What are your plans for the car?

There is a section for tuning questions. There you can also upload your tune, and some logs of the problem.

BigJermMiata

i plan to make it to 300 Hp before 2022 i have a rb28dett turbo that im going to replace with the cx racing one that i have in at the moment. soon i will be redoing the paint color because i didnt prep it well enough before painting it. next real upgrade is going to be better coilovers im embarrassed to say what i have on right now but i will be fixing that when i get the money for it. other then that i am sticking to the soft top and going to weld diff and really just see where the miata takes me

Icedawg

aaaaaaaaahhhhhhhhh
I hope you don't. There are ready options to source and use a limited slip in these cars. Unless you are drag racing it only, I think this is a pretty bad idea, since it will give you a large amount of understeer. In which case, why waste money on better coil overs?

As for your idle problem, it sure sounds like a vacuum problem. If you do not have what you need right now to download the tune and post it, then I think you should go back to the shop that installed it. They can probably identify the problem fairly quickly.

DNMakinson

iTrader: (3)

I don't know, but have been told that welded diffs on IRS means broken something is on the horizon. I believe the general statement was that welded diffs were for solid rear end vehicles like old Mustangs.

MetalMuffins

iTrader: (1)

It's hard on the CV joints at it loads them in both directions when turning. Some people have no issues, some people go through axles like there's no tomorrow. My , get an LSD and skip the welder. Or weld it and driftbro. it's your car

Icedawg

Isn't that supposed to rhyme, and be related to a march...

"I don't know, but I've been told, that welded diffs don't grow old"

technicalninja

Thank you, pretty funny, have a cat...