Wilwood master spacing in a 67 Chevelle - Chevelle Tech
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post #1 of 9 (permalink) Old Mar 31st, 20, 6:08 PM Thread Starter
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Wilwood master spacing in a 67 Chevelle

Does anyone have any photos and measurements of a Wilwood Aluminum tandem master cylinder with the side mounted proportioning valve, installed in a 66 or 67 Chevelle

I had intended to plumb my front lines one I got my vehicle back from the body shop and before my engine goes in. Apparently my body man does not trust me to screw up his work while installing my engine so he is giving me the vehicle back without the front clip.

While this will make installing the engine easy, I don稚 have any reference to where the inner fender is in relation to the master and proportioning valve. I知 pretty sure space is pretty tight toward the driver fender/wheel well.

Thanks in advance.

Joe

1967 SS 396 Chevelle
Formerly Bolero Red
Soon to be a 427 equipped Tahoe Turquoise head turner!
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post #2 of 9 (permalink) Old Apr 2nd, 20, 2:38 PM
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I’ll take picture of mine later this evening
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post #3 of 9 (permalink) Old Apr 2nd, 20, 2:55 PM
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Do you mean this type
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post #4 of 9 (permalink) Old Apr 2nd, 20, 8:12 PM Thread Starter
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Re: Wilwood master spacing in a 67 Chevelle

John,

Oh man, thank you so much! That helps a ton! I知 running a power brake booster so I値l lose some space with the radius of the inner fender but I think as long as I stub out a short distance from the valve then zig down and in, I should be Ok.

I have another question, are you using the frame mounted brake switch? I'm running 4 wheel disc and was led to believe that if I used the brake distribution block/switch, the proportioning valve may off set due to the pressure imbalance.

Thanks in advance.

Joe

1967 SS 396 Chevelle
Formerly Bolero Red
Soon to be a 427 equipped Tahoe Turquoise head turner!
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post #5 of 9 (permalink) Old Apr 2nd, 20, 8:22 PM
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Re: Wilwood master spacing in a 67 Chevelle

By the way, they offer the proportioning valve kit for either side of the master. If you have better clearance on the engine side it's available that way.
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post #6 of 9 (permalink) Old Apr 2nd, 20, 9:28 PM Thread Starter
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Re: Wilwood master spacing in a 67 Chevelle

Quote:
Originally Posted by Blown1932 View Post
By the way, they offer the proportioning valve kit for either side of the master. If you have better clearance on the engine side it's available that way.
Allen,
Really?? I may just need to pick that up in case space is an issue.

Thanks for the tip.

Joe

1967 SS 396 Chevelle
Formerly Bolero Red
Soon to be a 427 equipped Tahoe Turquoise head turner!
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post #7 of 9 (permalink) Old Apr 3rd, 20, 7:30 AM
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Re: Wilwood master spacing in a 67 Chevelle

Quote:
Originally Posted by Kopfjaeger View Post
Allen,
Really?? I may just need to pick that up in case space is an issue.

Thanks for the tip.

Joe

Yep, can be a problem solver if space is limited.
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post #8 of 9 (permalink) Old Apr 3rd, 20, 11:12 AM
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John
 
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Quote:
Originally Posted by Kopfjaeger View Post
John,

Oh man, thank you so much! That helps a ton! I’m running a power brake booster so I’ll lose some space with the radius of the inner fender but I think as long as I stub out a short distance from the valve then zig down and in, I should be Ok.

I have another question, are you using the frame mounted brake switch? I'm running 4 wheel disc and was led to believe that if I used the brake distribution block/switch, the proportioning valve may off set due to the pressure imbalance.

Thanks in advance.

Joe
Yes I am using the block, bu I am running drums in the rear if that matters I found using the block made the setup easier also using flex line to the block and do not have an issue with the proportioning valve
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post #9 of 9 (permalink) Old Apr 3rd, 20, 3:11 PM Thread Starter
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Re: Wilwood master spacing in a 67 Chevelle

John,
Using the Lock would make my install easier as well. I was told that there was a high probability that the reduced pressure to the rear brakes would cause the shuttle in the block to move and block off flow to the rear brakes as well as set off the warning light.

In theory, I understand how that could happen but I was not sure if it would happen.

I知 glad that is not happening in your set up. Based on that not happening to you, I知 pretty sure it won稚 happen in mine either. While mine is disc front and rear, I doubt I値l to reduce pressure to the rear brakes more than what you have to with rear drums.

So I知 guessing you have two lines from your proportioning valve to the distribution block. One to the front side and one to the rear? The extra front port on the proportioning valve is blocked?

Joe

1967 SS 396 Chevelle
Formerly Bolero Red
Soon to be a 427 equipped Tahoe Turquoise head turner!
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