help. light weight master cylinder

Posted By: POZEST

help. light weight master cylinder - 03/24/14 10:34 PM

Ordered a light weight master cylinder from eberg about 5 years ago and it went bad over the winter. Looking to replace it. Already have the 4 to 2 mounting adapter. Searched the archives here where it said I needed a mc for a 89 Dodge Dakota. Went to the local Autozone to grab one but it did not have the recessed part in the back that retains the brake pushrod, nor did it come with the new rubber piece that goes on the rod itself.

Help, need this ready this weekend. I guess I could get a stock one for it if it came down to it but I'd rather not.

Posted By: Eric

Re: help. light weight master cylinder - 03/24/14 11:37 PM

Take a look at one from a K car. If I remember correctly that might work.

Posted By: cgall

Re: help. light weight master cylinder - 03/25/14 12:40 AM

I think the one you want is the 77-78 Volare. If you can't find one, come and get mine.

Looks like this one.

http://www.summitracing.com/parts/str-b3360/overview/

Posted By: Scamp408

Re: help. light weight master cylinder - 03/25/14 12:44 AM

85 dodge diplomat.

Posted By: MR_P_BODY

Re: help. light weight master cylinder - 03/25/14 01:08 AM

Quote:

I think the one you want is the 77-78 Volare. If you can't find one, come and get mine.

Looks like this one.

http://www.summitracing.com/parts/str-b3360/overview/

If this is the size you need it says it will ship today..
you would have it in a day easily

Posted By: mopar65

Re: help. light weight master cylinder - 03/25/14 01:39 AM

hey mike thanks for the info i asked you about. but if you have to order one how about this one??

http://www.doctordiff.com/aluminum-master-cylinder-kit.html

Posted By: cgall

Re: help. light weight master cylinder - 03/25/14 01:51 AM

Here is reman unit for 78 Volare/Aspen, $28 on rockauto.

http://www.cardone.com/Products/Product-Detail?productId=101821&p=rock

Posted By: OUTLAWD

Re: help. light weight master cylinder - 03/25/14 01:56 AM

Mine was off a mid to late 80s half ton truck IIRC

Posted By: MR_P_BODY

Re: help. light weight master cylinder - 03/25/14 02:00 AM

I will guarantee he gets the Summit one before the
others... but if he is close enough he can pick it up..
if he orders it early enough in the morning(6-7 am)
he will have it that day... at least I do and he is
a lot closer

Posted By: AndyF

Re: help. light weight master cylinder - 03/25/14 03:04 AM

www.doctordiff.com is the place for master cylinders and related Mopar brake stuff.

Posted By: POZEST

Re: help. light weight master cylinder - 03/25/14 03:47 PM

Just got off the phone with smythe automotive. They say theirs has a machined step in it for the retainer. 89 Dakota 15/16 bore. Just need to find a new rubber piece. Thanks for the replies.

Posted By: clyde

Re: help. light weight master cylinder - 03/26/14 03:12 AM

Rubber piece? What rubber piece?

Posted By: Stanton

Re: help. light weight master cylinder - 03/26/14 06:59 AM

Mancini's carry that little rubber piece. I know of no other place. Surprising because its junk once you pull the pushrod out!
But some guys on here have used thin rubber or vinyl hose. All it does is stop the pushrod from wobbling around in the cup.

http://chucker54.stores.yahoo.net/brpubu.html

Attached picture 8089023-brake-pushrod-bushing-5.jpg

Attached picture 8089023-brake-pushrod-bushing-5.jpg

Posted By: AndyF

Re: help. light weight master cylinder - 03/26/14 04:07 PM

www.doctordiff.com has everything that you need including the rubber grommet.

Posted By: MR_P_BODY

Re: help. light weight master cylinder - 03/26/14 04:17 PM

Quote:

Mancini's carry that little rubber piece. I know of no other place. Surprising because its junk once you pull the pushrod out!
But some guys on here have used thin rubber or vinyl hose. All it does is stop the pushrod from wobbling around in the cup.

http://chucker54.stores.yahoo.net/brpubu.html

If thats the piece I think it is.. it looks like it..
but that is to keep the push rod in the master.. it
can be a real PITA to get it out... it snaps in place
with the push rod... was for safety so the rod couldnt
slip out

Posted By: POZEST

Re: help. light weight master cylinder - 03/28/14 04:23 AM

Ended up with a mc for a 85 Dodge diplomat, seemed like the same bore as a stock demon. Thanks prochamp for running all the numbers and rbduster for the actual sale. Mc didn't come with the retaining bushing so it was made with a piece of vacuum line. Feels good and solid. Thanks for the ideas fellas.

Posted By: Scamp408

Re: help. light weight master cylinder - 03/28/14 11:49 AM

Quote:

Ended up with a mc for a 85 Dodge diplomat, seemed like the same bore as a stock demon. Thanks prochamp for running all the numbers and rbduster for the actual sale. Mc didn't come with the retaining bushing so it was made with a piece of vacuum line. Feels good and solid. Thanks for the ideas fellas.

Was it aluminum or cast iron?

Posted By: POZEST

Re: help. light weight master cylinder - 03/29/14 05:54 AM

Aluminum.

Posted By: B G Racing

Re: help. light weight master cylinder - 03/31/14 07:46 PM

Just get a Wilwood,Aerospace or Strange kit,they have everything you need.Wilwood kit-260-4894,Aerospace-MBC7993,Strange-3359 or 3360.Wilwood and Strange are aprox,$100 and you get fittings,rod and boots,rubber retainer and a couple of plate adapter/spacers.