Doner Vehicles for '74 FJ40 Brake booster

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Nov 23, 2009
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Dallas, TX
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Hey guys,
Are there any other common vehicles at the pick n pull yards that I could pull a brake booster from (Toyota or other wise)? I think my my vaccumbooster is bad. I plan to go to a hydroboost down the road but I have to do a disc brake conversion first.

Thanks!
 

Josie'sLandCruiser

Stop calling it a "FJ."
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Feb 4, 2005
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Seattle, USA
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Hi All:

A Toyota 4wd mini-truck brake booster from the 1980s is an *almost* direct, bolt-in replacement for the stock drum brake booster on a '74 FJ40.

When I say "almost" what I mean is a slight modification is required to the activator rod on the booster. This rod needs to be shorten a bit to work correctly on a 40 Series.

I can't quite remember the correct amount that needs to be trimmed-off the rod, but you should be able to figure that out with a search here on MUD.

Good luck!

Alan
 
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Nov 23, 2009
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Dallas, TX
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Thanks! Are there any non-Toyota vehicles that make good donors? Thought I read someting about the Volvo booster but I can't seem find it again.
 
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May 6, 2005
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Whatever Booster you use just remember your still going to have to use your old master cylinder until you swap out to disk brakes, The Cruiser master cylinder has a 8psi valve that keep pressure in the lines for the drum brakes. Just aheads up Later after the disk brakes you can remove the valve
 

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