brake conversion
recently purchased this dart with no info , brake conversion was done but I have no front brakes , ssbc cal on front, new M C, New Porp vale new brake lines . Any suggestion /// order vacuum pump to try HELP
Hard to tell with no pictures or at least a better description, and a basic "year, make and Model" of your car; but-
Since you're asking about a vacuum pump, I'll assume you have power brakes with a vacuum booster. Lack of vacuum has NOTHING to do with "no front brakes", since power brakes will still function without a vacuum source; ie if the engine dies, check valve sticks, or a hose cracks... it will just lose the power assist, requiring more pedal effort. You also need to explain exactly what you mean by "have no front brakes"- does the pedal go right to the floor, do you have sufficient pedal feel but no front brakes, or seemingly excessive effort needed for any braking?
My guess is that the system simply needs bleeding, most people think once they have fluid at the calipers/cylinders, they're done. Not so. It requires quite a bit more bleeding to remove any remaining air pockets from the system.
You also say it's just the front brakes, so I'll assume the rears are functioning satisfactorily; which also confirms that it's not a lack of vacuum, since the booster assists both front and rear equally.
So here's what you need to do:
You say "brake conversion was done", but that doesn't mean it was done correctly.
Make sure the master cylinder is fully bench bled.
Then make sure the lines are all routed correctly- front master cylinder fitting (controls rear brakes) to the correct inlet port of the prop. valve, and the rear master cylinder fitting (controls front brakes) goes to the corresponding inlet port of your prop valve. Then make sure the front brake lines are connected to the correct outlet port(s) of the prop. valve, and the correct outlet of the prop valve is connected to the line going to your rear brakes. Failure to have the correct connections made will result in brakes that will never work right.
Once you confirm that the routing is all correct, bleed the brakes starting at the right rear, then left rear, then right front, and left front. Then bleed them again. once you think you're done, bleed them some more.
Once you have a high, firm, consistent pedal (running or not), you may be done.
If you can't achieve a high pedal, it may be a result of an incorrect pedal rod length- depending on the kit used, it could be an adjustment of the rod, or a different length rod included in the kit may need to be installed. Can't say without seeing which kit you've got.