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- - '68 c30 power brake question (https://67-72chevytrucks.com/vboard/showthread.php?t=714711)

projectking

08-10-2016 09:07 AM

'68 c30 power brake question

http://m.ebay.com/itm/67-68-69-70-71...257Ciid%253A10

Is this all I need to swap out my manual drum master cyl or is there more linkage involved?

projectking

08-10-2016 04:10 PM

Re: '68 c30 power brake question

I know there isn't a prop valve with it and only wondering if the bracket and rod pictured is all that is needed.

kwmech

08-10-2016 04:21 PM

Re: '68 c30 power brake question

Do you have all the brackets and linkage that bolt to the firewall? AND that 10 series stuff isn't going to work on your 1 ton.

projectking

08-10-2016 05:31 PM

Re: '68 c30 power brake question

The link has a bracket pictured, I currently have a manual master.

kwmech

08-10-2016 06:05 PM

Re: '68 c30 power brake question

Brackets look correct. Don't need combo/prop valve unless swapping to disc on the front. You can retain the stock piece

projectking

08-10-2016 07:15 PM

Re: '68 c30 power brake question

Thanks! I have disks up front from an '84, I'll have to source a kit with the larger booster then.

kwmech

08-10-2016 07:20 PM

Re: '68 c30 power brake question

Do you have the proportioning valve from the 84?

projectking

08-10-2016 07:51 PM

Re: '68 c30 power brake question

No, I only bought the frame and front suspension.

projectking

08-10-2016 07:58 PM

Re: '68 c30 power brake question

I found a kit with an 11" booster, that's the c20/c30 diameter right?

kwmech

08-10-2016 11:11 PM

Re: '68 c30 power brake question

Quote:

Originally Posted by projectking (Post 7679624)

No, I only bought the frame and front suspension.

It may be on the front cross member near where the steering box was bolted

projectking

08-11-2016 05:34 AM

Re: '68 c30 power brake question

I think you might be right, luckily I still have the front stub.

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