I was wondering what the stock size injectors are in 88 TII? I have 540 primarys and 720 secondarys. I'm hoping to increse my injector size a little (560 and 740 if available) but I don't know if it will make the car run richer or if the ECU will compinsate for it. Right now my air fuel meter says it's running just right ...not lean not rich. I do belive the car should run a little rich Also does anyone know if the injectors are differant then other top feded injectors with the exception of size (cc).

I was also wondering if its possable to install a monster tack?

One more thing. Does anyone know how many leads come off the OE O2 sen?

 

stock is four 550s

yes you can put in a tach...

1 wire.

 

Thanks for the help. I have 3 wires on my O2 sen. I'm still not sure if I can increse my injector size without having any problems running to rich or getting a ruff idle.

 

You put smaller primaries in? What mods do you have? You could always get an s-afc to have some control on fuel instead of trying to buy the perfect size injector.

 

S-afc is made by apex right? If so, thats a good idea. As far a mod go, this is a 88 10th anv. TII. I'll just name a few cause I dont have much time. HKS cat back, cat removed 31/4" mid pipe, HKS turbo timer, Greddy blow off valve, mazdatrix short shifter, 17" NIttos, OZ rims, HKS turbo upgrade, Motor jap. spec. ported, Two fuel pumps, one primary one secondary, Auto Meter fuel pressure, Boost, ext. temp., Earls high pressure plumbing,Perma-cool 2950cfm, Big fat system, 5" screen, Playstation coming soon, custom white leather inter., Battery moved to back, alram system, Acel 8.8 mm plug wires, motor only has 10k on it, etc. etc. etc.