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  1. jrichker

    Drivetrain T-5 Issue

    Clutch Adjustment for stock and aftermarket setups Revised 28-Apr-2016 to include need for longer cable with single hook quadrant Clutch adjustment with stock cable and quadrant There is a self-adjusting mechanism for the clutch cable. As the clutch wears the cable tension changes, that is why...
  2. jrichker

    Electrical Hot wire to ignition help?

    The fuse links for all model years 86-93 live in the wiring harness near the starter solenoid. Wiring Diagrams: See the following website for some help from Tmoss (diagram designer) & Stang&2Birds (website host) for help on 88-95 wiring Mustang FAQ - Engine Information Everyone should bookmark...
  3. jrichker

    Fuel New fuel pump = low pressure

    It’s Decision Tree time: No spark = go to step #1 & 2. Good spark - what is a good spark can be a subjective judgment. If you have any doubts, borrow a known good coil from another pre 1996 Ford. If you do have good spark = go to step # 3 Engine fires off and then dies = go to step # 4 Make...
  4. jrichker

    Engine Rough idle, hit gas, stumbles and stalls

    You guys with idle/stall problems could save a lot of time chasing your tails if you would go through the Surging Idle Checklist. Over 50 different people contributed information to it. The first two posts have all the fixes, and steps through the how to find and fix your idle problems without...
  5. jrichker

    Electrical 85 1g to 3g conversion HELP!

    @Kevnic 3G install into an 85 or earlier Mustang: I would recommend the addition of a 2 amp fuse on the Light Green/Red wire that goes to the switched ignition. I would use a maximum of 125 amp fuse for the output wire that connects to the starter solenoid. The prices below have changed...
  6. jrichker

    Engine Mustang cooling and temps

    Is the air dam under the radiator in place and not busted? It is the first that that gets hit under the car if you run over any kind of solid object.
  7. jrichker

    Cobra booster installed !@#$

    The extra height of the 351 block undoubtedly made things more difficult...
  8. jrichker

    Fuel Injection Test

    Here's some help for the vacuum lines - Red line goes to the fuel pressure regulator. Speed density cars: One goes from the manifold to the MAP sensor on the firewall behind the upper manifold. Mass Air cars: NO connection goes from the manifold to the BARO sensor on the firewall behind the...
  9. jrichker

    Drivetrain Clutch fork/throwout bearing/cable adjustment

    Clutch Adjustment for stock and aftermarket setups Revised 28-Apr-2016 to include need for longer cable with single hook quadrant Clutch adjustment with stock cable and quadrant There is a self-adjusting mechanism for the clutch cable. As the clutch wears the cable tension changes, that is why...
  10. jrichker

    Engine 92 LX Won't fire - seems like a fuel delivery problem

    What kind of spark tester were you using?
  11. jrichker

    Engine ‘86 gt/ Auto. Low vacuum/ idle surge/ no leaks

    Take @Noobz347' advice, it is the best so far. Finding vacuum leaks Revised 6 May 2018 to add carbon canister plumbing as a common leak area. There is no easy way to find vacuum leaks. It is a time consuming job that requires close inspection of each and every hose and connection. Small...
  12. jrichker

    5.0 falls on its face

    Dump codes sticky Look at the top of the 5.0 Tech forum where the sticky threads are posted. One of them is how to dump the computer codes. Codes may be present even if the CEL (Check Engine Light) isn’t on. You don’t need a code reader or scanner – all you need is a paper clip, or if your lady...
  13. jrichker

    Engine Engine starting issues

    Dump the codes and look for an ECT failure... Codes 21, 51 Code 21 or 116 – ECT sensor out of range. Broken or damaged wiring, bad ECT sensor. Revised 6-Apr-2017 to add diagrams and resistance check for ECT wiring. Note that that if the outside air temp is below 50 degrees F that the test for...
  14. jrichker

    Fuel New fuel pump = low pressure

    Fuel pump pressure & regulator test Check fuel pressure: The local auto parts store may rent or loan a fuel pressure test gauge if you don't have one. Disconnect the vacuum line from the fuel pressure regulator. Check it for evidence of fuel present in the line by removing it and blowing air...
  15. jrichker

    Engine Smog system Q

    @7upmustang Save your old H pipe - in the future you may net be able to sell or title your care without it... You will make codes... Code 81 – Secondary Air Injection Diverter Solenoid failure AM2. The solenoid valve located on the back side of the passenger side wheel well is not functional...
  16. jrichker

    Engine Engine misses badly during acceleration.. help!

    High speed miss on a warm engine Revised 24 June 2019 to add new source & part number for TFI removal tool . The TFI module mounted on the distributor is one of the culprits for a high speed miss on a warm engine. The other suspect is the PIP sensor inside the distributor. If the problem does...
  17. jrichker

    Engine No start on foxbody project - ideas?

    No Crank checklist for 5.0 Mustangs Revised 24-Oct-2013 to update voltage drop figures. No crank, slow crank and stuck starter solenoid problems have the same root causes – low battery voltage and poor connections. For that reason, they are grouped together. Use the same initial group of...
  18. jrichker

    Progress Thread Floor pan repair/build thread

    The floor pan where the seat bolts down is cracked. This is a headache because you must remove the carpet and interior to get to the damaged area to fix it. This is what my solution to the problem looks like: I don't have a welder and it would have been difficult to get the car to a place that...
  19. jrichker

    Engine What size fuel injectors?

    Fuel injector sizing & injector photos Revised 26-Dec-2014 to add statement about figures are for flywheel HP and not rear wheel HP Injector HP ratings: this flywheel HP, not rear wheel HP. Divide flow rating by.5 and multiply the result by the number of injectors. This uses a 100% duty...
  20. jrichker

    Smog stuff removal advise

    @Punky Removing the pollution control equipment from a 5.0 Mustang is a bad idea. All you have accomplished is to make the computer mad and spit codes. The pollution control equipment all shuts off at wide open throttle, so the HP losses from it on the car are 2-5 HP. The catalytic converters...
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