Wheel cylinders
 

What is the deal? NAPA shows front wheel cylinders for a 1970 3/4 ton 4x4 not available. But the ones I have on my truck with a cast 7 digit number crosses to the same p/n for 67-69 3/4 ton 4x4, even the picture in their parts book looks like mine. Anybody else have any problems finding front wheel cylinders? I checked the lesser stores but all the cylinders they pulled out had 3/8" inlet while mine have 7/16" inlet, the nice thing was that Napa's book had that info, the others did not. Oh well one more reason....

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1970 GMC K25 Custom
Chesapeake, VA
My 70 GMCor Webshots http://community.webshots.com/user/70gmc



[This message has been edited by JIMs70GMC (edited April 26, 2002).]

Ask to look at one and inspect it real good. You can always take it back if it don't fit. Just say that the front end must have been swapped out at one point or another.

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'69 G.M.C. 350/350. Trying to clean up the left over damage from the Dope-Smokin-Old-Man
I've been dubbed the Longhorn Freak/Fanatic/Expert, I just hope I can live up to it.
FINALLY got the HORNIAC...a '70 one ton Longhorn with a Pontiac 350/350 and lots of 'personality'. Check out The Longhorn Webite.
If you need a pic posted, E-mail me at longhornmail@yahoo.com
Andy, in Columbus Ohio

Napa got them for me. They were the right ones. Made in the USA.

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1970 GMC K25 Custom
Chesapeake, VA
My 70 GMCor Webshots http://community.webshots.com/user/70gmc

whats size are your brakes ? measure ID and inside width of drums or width of shoe, im curious, sounds like you have larger brakes

do you have JM1 listed on glovebox door ?

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Randy- Lincoln, IL

r68c30@hotmail.com 2177353230
-71 C-10 350/CH465/3.07, assemble it, yeah right, that'll happen in this world,(not)
-84 Z28 Camaro 5.0L 700R4, 3.73, beater, paid way too much for it like an idiot,,
-84 Firebird SE 2.8L T-5, rod knocking, dammit,,
-82 Firebird 350 4bolt (TBL)/TH350, not running, dammit...
buy/sell/hoard/trade most any GM vehicle parts of any kind
-parting out: '81 Cutlass Supreme Brougham
*Paint is overrated
© RSS Enterprises 2000

Don't have jm1 on glove box, I believe the brakes are 12x2. Will pull one and measure tomorrow. What's the best way to balance front drum brakes right to left?

[This message has been edited by JIMs70GMC (edited April 26, 2002).]

you measn to adjust ? basically disassemble and clena threads of the self adjustors and put pipe thread dope or anti sieze compound on the threads and adjust shoes out until slight drag on drums and then do alot of forward and reverse brake stops to get them out all the way


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Randy- Lincoln, IL

r68c30@hotmail.com 2177353230
-71 C-10 350/CH465/3.07, assemble it, yeah right, that'll happen in this world,(not)
-84 Z28 Camaro 5.0L 700R4, 3.73, beater, paid way too much for it like an idiot,,
-84 Firebird SE 2.8L T-5, rod knocking, dammit,,
-82 Firebird 350 4bolt (TBL)/TH350, not running, dammit...
buy/sell/hoard/trade most any GM vehicle parts of any kind
-parting out: '81 Cutlass Supreme Brougham
*Paint is overrated
© RSS Enterprises 2000

I did mean adjust, Thanks,

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1970 GMC K25 Custom
Chesapeake, VA
My 70 GMCor Webshots http://community.webshots.com/user/70gmc