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Old 06-17-2012, 05:43 PM
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Various questions about Fox Mustangs

Have a couple of questions that I'm hoping to get a little help with:

I need to replace the throttle cable on my 88 Mustang GT. The one on now is stretched badly. The car was converted to carb, so the stock cable is made for EFI. My question is, shouldn't a throttle cable for an 85 GT work with no problem?

I'm running the Holley 670 carb(Street Avenger) and the carb is suppose to come with a universal setting, so I thought maybe the previous owner and changed some of the settings because I was never able to get the choke set correctly. I researched a few forums, and several people have said they were never able to get the electric choke set right on their Holley 670 carb and they eventually just took the choke completely off. Has anyone here ever had that problem with the Holley 670? I need the choke because the car is difficult to start.
Last question is how can you distinguish the difference between a car blowing white smoke because it's cold versus there being something wrong internally? I don't start the car often, maybe once a week, or every two weeks. When I start it up, the pipes were e cut right at the muffler, so the exhaust is coming out basically right up under the rear seat. After about two minutes of running, I start to get a lot of white smoke. It's not a thick smoke, but it's noticeable. It seems like I remember the guy I bought it from saying he had put some sea foam in it, but never had a chance to burn it out. So I'm not sure whether it's a combination of the car being cold and sea foam, or I have internal issues any suggestions?
I know I put a lot out there, but I'm trying to get a good start tomorrow on the car and I'm hoping someone will point me in the right direction.
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Old 06-17-2012, 07:28 PM
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1. Does the white smoke quit after it runs a while? Is your coolant level getting low? It could be condensation from cool/cold mornings but it should stop after it runs a while. If it don't stop and your coolant level keeps getting low, you have an internal issue such as a head gasket, cracked head or maybe an intake gasket leaking.
2. Is the choke electric?
3. You should be able to use the 85 GT throttle cable but I have to ask, what makes you say yours is "stretched badly"?

DON'T drive that car with that exhaust like it is. Very dangerous!!!!!!!!!
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Old 06-17-2012, 08:06 PM
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Re;

The reason I say the cable is stretched is because the gas pedal is about half way to the floor. I can pull the ball end of the cable and pull it away from the gas pedal. So there is alot of play in the cable.

And I dont drive the car. Like I said, I bought it a while back, just something for me and my son to work on and get running for him. He's only 13, so we have more than enough time to get it where it should be before he put's it on the road. I'm working on getting an exhaust system now. I wanted to see if I could just have someone weld some pipes on to the muffler without replacing the whole thing if that's possible, but we will see. Thanks for all the advice.

As for those possibilities for the smoke, what's the best way to narrow down exactly what it could be?
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Old 06-17-2012, 08:47 PM
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Quote:
Originally Posted by Mac88
The reason I say the cable is stretched is because the gas pedal is about half way to the floor. I can pull the ball end of the cable and pull it away from the gas pedal. So there is alot of play in the cable.

And I dont drive the car. Like I said, I bought it a while back, just something for me and my son to work on and get running for him. He's only 13, so we have more than enough time to get it where it should be before he put's it on the road. I'm working on getting an exhaust system now. I wanted to see if I could just have someone weld some pipes on to the muffler without replacing the whole thing if that's possible, but we will see. Thanks for all the advice.

As for those possibilities for the smoke, what's the best way to narrow down exactly what it could be?
I would start by doing a pressure check on the coolant system. If this checks out good, it's probably just condensation. You do that with a tool (see attachment). But like I said in the earlier reply, if it's condensation it should stop after the engine runs a while at operating temperature.
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