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Old 01-09-12, 13:02
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Tony Baker
 
Join Date: Oct 2010
Location: Wide Bay, QLD, Australia.
Posts: 1,819
Default Vacuum Booster Replacement Boot - Part 2 of 2

Booster boot 5.jpg
Slip the securing ring onto the rubber boot. If you have chosen wisely it will be a nice snug fit, even at the end where it is not flared. If it doesn't look like this, either adjust the part i'm about to say next, or.............buy another one!
Booster boot 6.jpg
Move the metal ring onto the boot, one place along.
Booster boot 7.jpg
Here's the interesting bit. Fold the 'un-concertina' end part back over the metal ring. Get it to sit neatly. Make sure you are happy with where it sits as well as what it looks like, and make sure it sits evenly under the end. I mean the bit that will be between the metal ring & the booster end. It must sit flat and evenly, or it will leak. From what I have read in the manual, booster will still work, but not as effectively, and dust will potentially get into the space where the booster plunger shaft passes along. That would be bad. This is the step where I marked where I wanted to punch the holes. You can fold back a little of the rubber to find where the holes are in the metal ring. I used an awl to create a slight puncture at the correct location of all three holes, then removed the ring and punched to desired size with a leather punch. I think I used 1/4". Don't remember for sure, so check your sizing please.
Booster boot 8.jpg
This shows how it will look with the screws in place. If you wish to do as I did, and remove rubber from around the screw head, punch these locations in a similar way to the screw holes. I did them while the screws were in place and I folded enough rubber back over to allow access for the punch.
Booster boot 9.jpg
And this is what it should look like when finished. I intend to paint the metal ring & screws black, so they don't highlight that I stuffed up one of the 'cut-outs', around the screw head you see in this photo.

How's that for a nice little wrinkle? Cheap and very functional. Quite easy really! Pity it can't be permanently attached to the booster front plate just yet. The other end of the boot will have to be formed around the top end before this can lower end can become permanent! That's another story, for another day.

I'm off now to apply valve grinding paste to my fuel selector switch. Cheerio
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Ford CMP, 115" WB,1942 (Under Restoration...still)
Medium sized, half fake, artillery piece project. (The 1/4 Pounder)
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