I have a 1991 f150 302 5 speed I want to know if its possible to put a chip in it? What came is recommended, I'm going for a noticeable lope need some help with someone who knows about trannys too! Thanks!

 

It is possible to put a chip in it but they're a waste of money as you can get the same results by simply turning the distributor to advance the timing. And your truck has the SD EFI system on it that uses manifold vacuum to determine engine load so a lopey cam is not an option, but you can get quite a bit more power out of the motor with an EFI friendly cam like the Comp 31-255-5 or Crane 444232 and full exhaust system.

 

Isnt it to new to advance timing by distributer? And I had first and second gear go out. Syncronizers or new tranny?

 

No.

Replacement tranny would be easier, there's no way to know what is wrong with yours untill it is torn down.

 

I didn't know cause I was told ot was, how is advancing timing achieved? Ive never done it to anything this new

 

Whenever I take my truck out mudding and I hit any water at all it drounds out, like cuts out and I have to wait for it to dry out before it will run, I think some wires are getting wet somewhere but I dot even know where to begin to look. any suggestions or anyone have the same problem? Distributor stays dry I already checked that.

 

Change the coil and plug wires.

Advancing the timing is easy but you will need a timing light, every degree advance from stock will produce more torque and the motor will feel more lively but you can only go so far before it will become difficult to start, so realistically the usuable range is up to about 10 degrees over stock.. which is 10deg before TDC.
With the light attached to power and #1 plug wire(passenger front), start the motor and let it settle down to a steady idle, loosen the retainer bolt on the distributor and pull the spout plug to disable computer advance(little grey plug hanging off the wiring harness on the distributor), with the timing light pointed at the timing marks on the crank balancer slowly turn the distributor closkwise until it says 12deg BTDC. Now snug the distributor bolt and make sure nothing moved, reinstall the spout plug, disconnect the timing light and take it for a drive and listen for detonation(pinging) when the engine is under load(high gears and low rpms). If all is well you could try advancing it another degree or two but most of these early motors can only handle 2-3 deg extra timing on regular pump gas, if you want to run mid grade or premium you should be able to put a few more degrees in it but then you won't be able to use regular in it at all.

 

Changing the coil and plug wires will fix the cutout problem? And what do u mean by turn the distributor?

 

Yes, the coil and plug wires often develop small cracks in the insulation that cause a short to the engine when they get wet. To test for this.. when it's completely dark outside make sure all the light are off and start the motor, open the hood and spray a mist of water over the engine with a small spray bottle and you should see where the wires and possibly the coil are arcing.

I mean loosen the bolt at the base where it goes into the engine block and turn it.

 

Ah if I were only 16 again....

 

Ha 16 is alright so far.

 

And alright ill try that, my four wheel drive is kicking in and out of gear too and my lockouts are fine, cv shafts maybe?