intake maiinfold sensors?????????

[joeyd0730]

i need to know if it is possible to run my 91 gt without the act sensor. reason i am asking is i just insalled the spyder intake and the only place i can put the sensor is in a coolant passage on the lower intake. from what i understand the act sensor should pick up air temp. what are my options? will it kill me if i leave it out? here is a list of mods on the car
306 ci. i-beam rids, hawks crank, forged pistons, stock e7te heads ported w/ crane springs. 1.7 rollers. e-303, s-trim, 70mm throttle, 70mm mass air, spyder intake, 36lb injectors, fuel press set at 43lbs vac line off. if anyone has this intake how did you set up all the sonsors? thanks in advance joe.

 

[vristang]

I would think the puter would freak without the act, but I never tried it.
You may be able to mount the act in the intake between the tb and filter? Not ideal, as temps outside the tb will be different than inside the intake, but it should be better than no act at all.

 

[jrichker]

Using a stock air box? If so, then try this...

The best spot for the ACT is the air box if you don't do the drill and tap thing. You get to cut and splice the 2 ACT wires in order to make them long enough to reach the air box. Solder the wire extensions on the existing wires & use heat shrink tubing to cover the splices. Offset the place where you cut the wires so that you don't have a big bulge when you put heat shrink over the 2 wires to cover & protect them. The air box gets a hole (5/8" or so) for the ACT drilled about 1 1/4" down & 1/1/4" in on the front top side near the upper radiator hose. A brass fitting nut from Home Depot or Ace Hardware secures the ACT into the air box.

If you are very clever, you will find that the ACT connector comes apart so that you can remove the pins. A very small screwdriver releases the lock in the front of the center insert, while another small screwdriver inserted in the back pushes it out. Once the center insert is out of the connector shell, the pins come out easily. New pins are available from AutoZone in a $5 electrical pin kit for Fords. Crimping the pins on the extender wires saves you from having to splice them twice: once to put the connector on and once to extend the wires.

6 ft black 18 gauge wire
6 ft green 18 gauge wire
6 ft 1/4" heat shrink tubing
1 ft 3/16" heat shrink tubing

Measure the 2 extender wires & cut them to length, crimp one set of pins on them. Then mate up the extender pins with the wiring harness & slide the 3/16" heat shrink tubing over them & shrink the tubing. Then slide the 1/4" heat shrink tubing over the pair of wires and shrink the tubing. When you are done you'll have about 1" of wire left without heat shrink tubing on it to strip & crimp the new pins on. Stick the new pins in the old connector shell, assemble it and you are done. It looks as good as factory. Some wire loom can be used to enhance the "Factory Look".

 

[joeyd0730]

sounds like a very well detailed plan. here is the problem, i have no problem extending the wires to the new location. i have no air box, and the inlet tube in mandrel bent aluminum being i have a bower on the car. the only location i can see fit to put the sensor in after the mass air meter just before the blower, there is a plastic elbow. will it work in thisl ocation? thanks . joe

 

[joeyd0730]

where is the act sensor usually located on a stock motor? i am rusty been out of the car scene for about 3 years

 

[DMAN302]

#5 intake runner on the lower intake portion.

 

[jrichker]

Since you have a supercharger, the intake air charge will be hotter that atmosheric air. You will need to locate the ACT after the supercharger to get an accurate reading of the intake air temp. Any place after the supercharger you can make a secure, leak proof mount will be OK.

If you had an intercooler, the best place would be to mount the ACT after the intercooler near the throttle body.

On a stock 86-93 the ACT is mounted in #5 intake runner.

 

[Daggar]

Time to take that lil ole madrel bent piece of aluminum down to have it machined for the ACT if you're leary about doing it yourself.