S197 BOSS 302 Race Car Build Thread Build Thread

[navseng]

@navseng here are the posts I was referencing in our DM. Click the "return" link at the top, since the quotes don't carry the images forward.

Thanks man, very cool and well documented info! Nice to see the real-world data to support the changes.

 

[TTBOSS302]

Made some progress last couple nights. All the sound deadening goop is removed from the cabin!

View attachment 27864

Also I got the dash back in the car, and the car fired and coolant purged! I forgot how good this car sounds

View attachment 27865

View attachment 27866

Tonight she gets an oil change and adjustable front swaybar end links, then I can slap the wheels back on her and put her down on the ground!

Love this thread and reading it but I have got some questions for sure. I recently took my entire HVAC system out of my car as well and I haven’t really noticed any problems other than the fact that my gas gauge is no longer working and I really need that. Did you run into the same problem? If so is there something I need to rewire or? I don’t know, I’ve been so lost on it. My car is still on stock ECU and Harness and I still street drive my car.
2012 Ford Mustang Boss 302

 

[ArizonaBOSS]

Love this thread and reading it but I have got some questions for sure. I recently took my entire HVAC system out of my car as well and I haven’t really noticed any problems other than the fact that my gas gauge is no longer working and I really need that. Did you run into the same problem? If so is there something I need to rewire or? I don’t know, I’ve been so lost on it. My car is still on stock ECU and Harness and I still street drive my car.
2012 Ford Mustang Boss 302

Hey man:

IIRC, the gas gauge in my car still functioned until I removed the stock fuel tank and sender, etc. You may want to check all your harness ends and connectors to see if there are any that could still be plugged back in despite the missing AC.
Try this to look at the wiring diagrams and see where that might be coming or going from the fuel tank to whatever translates it for the dash gauge. https://iihs.net/fsm/?d=711

 

[TTBOSS302]

Hey man:

IIRC, the gas gauge in my car still functioned until I removed the stock fuel tank and sender, etc. You may want to check all your harness ends and connectors to see if there are any that could still be plugged back in despite the missing AC.
Try this to look at the wiring diagrams and see where that might be coming or going from the fuel tank to whatever translates it for the dash gauge. https://iihs.net/fsm/?d=711

Will do, appreciate the quick response and advice. I’m 99% sure I plugged everything back in but will definitely double check. I just really don’t want to have to pull the dash yet again. Deleting the heater core and A/C took longer than I’d like to admit. Where did you put the ground that’s on the A/C Compressor? If you can remember?

 

[DipstickMotorsports]

Sounds like one of the IC wires likely got pinched or damaged when you pulled the whole dash. check all the wires.

 

[TTBOSS302]

Sounds like one of the IC wires likely got pinched or damaged when you pulled the whole dash. check all the wires.

Afraid I have to say I walked into my garage to find worse problems than a potential short…
I don’t know what happened at all or where it is actually leaking from but I walked out into the garage to find a puddle of coolant coming from the bell housing? Everywhere else is dry and my heater core hoses are looped together in front to still cycle water through. It’s been one thing after another lately.