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Old 07-13-2016, 12:01 PM
70peppergreen 70peppergreen is offline
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Join Date: Sep 2011
Posts: 186
Default blowing out fuel and brake lines

I have a 70 GTO I am painting the under body frame on, with professional automotive black

I removed the brake and fuel line and blew them out with paint thinner and compressed air

the question is does any one know how to blow out the distribution block and the block in the rear.

i have front disc and power booster if helps

should i hook up a short tube to each fitting on the blocks and use compressed air with paint thinner

any experience helps

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Old 07-13-2016, 01:35 PM
marxjunk marxjunk is offline
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Join Date: Sep 2005
Location: KANSAS CITY KANSAS.....
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Default

no thinner thru any valve or rubber brake hose...ever...

pump brand new brake fluid thru them...

get some in the hard lines if it sets...the thinner strips the the lubricity out of the lines and they flash rust

thinner kills seals its too caustic..pump new fluid or just air thru the valves..they have an o-ring and thinner kills it instantly

you can disassemble the prop valve..very simple..just make sure you put it back the way ypu took apart

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