Hey guys this is my first post, I have an automatic f 250 70 360 that will not go faster than 30mph it will just start revving really high as if its not changing gears and wont go faster. it all started when I tried cleaning the carb by spraying carb cleaner down the throttle body. I then took out the carb and rebuild it after it was giving me problems and also changed the fuel filter, also I put transmission fluid so it isn't low. It also seems to want to stall as soon as I give it gas.

 

Can't say you know where to look as you messed with it. We here don't have x-ray vision to see what you did wrong. But check the linkage and the fast idle for the choke.

Orich

 

Did you unplug the hose to the modulator on the trans ? My .02

 

agree, sounds like the line to the tranny got disconnected.

 

studmufin Welcome to and the Bumpside Forum.

The old Fords need fuel and fire to run. Since you fessed up to monkeying with one, ya better go back there.


John

 

Welcome to FTE. The first problem you have is the engine revving which is the transmission slipping. That can be caused by low fluid, the wrong mix of fluids in the transmission or as previously stated disconnected module. The second problem is something that you did when you rebuilt the carb. Could be choke not working. Was the engine fully warmed up when it would die. Was the choke not opening up when the engine was warm. Is the float adjusted or messed with. Work on figuring out the carb first then go back to the trans problem. Good luck, and post up what you have figured out or if you need specific information on something. There are a lot of knowledgeable people around here , and willing to help you figure it out.

 

Wow....nice

 

Welcome to FTE and the Bumpside Kingdom!
On the 30 MHP gig it sounds like when you took the kick down rod off the carb you moved it back towards the firewall and down towards the tranny to get it out of the way. Then forgot to hook it back up to the carb. This would tell the tranny to be in passing gear. Since it hasn't up shifted yet it would stay in 1st gear.
When you rebuild the carb did you remember to put the check ball and it's weight back under the venture cluster? #73 and #75 in the carb pic.

 

thanks y'all for the help I'm gonna take out the carb and check it out I'll try to keep you guys updated!

 

2x kick down linkage

 

Hey guys sorry for the late reply I've been busy, I found out my lockdown linkage wasn't connected so I added a spring to it like such from auto zone, it still isn't shifting though

 

Crawl under and fiddle with the kickdown switch..does it move freely back and forth manually actuated?

 

Ok I just checked it and yes it's moving freely back and forth

 

I can email you a C6 tranny manual if you want it. Email me at: garykipfer@aol.com

 

Mr. Studmufin,
It looks like the throttle linkage is missing a part on the carbs side plate throttle ball where you have the spring put on the ball neck, where is this linkage piece?

And the other linkage pieces are not supposes to be bent up.

Also do you have the tranny vacuum hose in place behind the carb on the vacuum tree in the intake manifold. next to the power brake vac. hose if it has PB.
Orich