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Caliper Rebuild Questions
I pulled all of the pistons from my Girling calipers and they are full of gunk.....What is the best chemical to use to make the cleaning of said gunk in the bores easier ?
What grit scotch bright should I use on the bores ?
Also should I upgrade to the stainless steel pistons(as I Need to replace some) or should I buy the standard pistons....?
Thanks in advance......
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LS Swapper
We have this stuff in canada, works amazing.
https://www.princessauto.com/en/deta...l-/A-p8606352e
I put some rusty old calipers in a bucket of it, came out so clean i just dried them off and powdercoated them. If you are familiar with powdercoating to get a good finish the surface must be VERY clean. They turned out great.
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18835866_10158928664815171_5022096456447331422_n.jpg
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If you drive the car and flush the brakes every other year the "ordinary" pistons should last just as long.
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WD-40 makes Rust Soak which is basically the same stuff that Josh mentioned. I soaked mine in that for about 36 hours and they came out great.. just like his. I did replace my pistons because they were pitted. Powder coating is the way to go if you can afford it but high temp paint will work fine as well if you want to go the cheaper route. Either piston is fine but the stainless ones won't rust and pit in the future if the car sits a lot.
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Senior Member
You could also soak them in white vinegar for a few hours
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Top bloke
I say Sir, I must be mad, one loves fixing K-Jet !
Make sure there's plenty in the tank for the weekend chaps....
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Originally Posted by
David T
If you drive the car and flush the brakes every other year the "ordinary" pistons should last just as long.
If you're replacing the pistons anyway, why not use stainless?
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LS Swapper
I dont get the big deal with stainless pistons. The cheaper regular ones work just fine.
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One good reason is the cost. As for supplies to clean and refinish the calipers, Eastwood (.com) has a lot of stuff especially for doing just this. On the subject of brake pistons, if you see ANY corrosion on the old ones it means the plating is damaged and if you attempt to reuse them the brakes will leak. While it is true the S/S ones will not corrode, other parts still will if you do not flush the brake fluid at least every other year. Since you still should do that to protect the other parts you will also be protecting the pistons too. Don't forget the clutch hydraulics too! (forget I said that if you have an automatic!).
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Senior Member
Originally Posted by
BadCompany
I pulled all of the pistons from my Girling calipers and they are full of gunk.....What is the best chemical to use to make the cleaning of said gunk in the bores easier ?
What grit scotch bright should I use on the bores ?
Also should I upgrade to the stainless steel pistons(as I Need to replace some) or should I buy the standard pistons....?
Thanks in advance......
This tutorial from DMCH tells you all you need to know: http://support.delorean.com/kb/a90/b...can-do-it.aspx
VR6 engine (367 rwhp/377 ftlb); Type T4 turbo; A/R=0.70/0.68; Air-to-air intercooler, Megasquirt MS3 Pro, Manual tranny w/ HD output shaft; Remote mounted oil filter.
Adjustable dampers and ride height springs from QA1/DriveStainless; SS triangulated LCA brackets, boxed in LCAs, PU bushings, ventilated front brake rotors - all from DMCEU; UCAs with -3 deg camber from Reid Performance; 15" rear rims x 4
http://deloreanvr6conversion.blogspot.com
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