47-55.1 Wilwood master cylinder, does this look right??????? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

paintman · 02-18-2019, 08:21 PM

Gentlemen, in my never ending quest to get my brakes to work I ordered a new Wilwood MC. I noticed the exit ports on the MC are off center to the reducer fitting for the brake line fitting. Does this look right. Seems to me the reducer fitting will block off the hole where the fluid exits the MC.

**Rickysnickers** · 02-18-2019, 08:28 PM

No, it doesn't. I would send that photo to Wilwood and let them know.

**mongocanfly** · 02-18-2019, 08:53 PM

I dont think your fitting will bottom out in the hole...measure it and see..if it doesn't bottom out there will be a void between them......

**Rickysnickers** · 02-18-2019, 10:06 PM

I'm not trying to argue with you Mongo at all when I say this, so please do not take it as such. Even if the fitting doesn't bottom out, that hole is still drilled wrong. My Wilwood had the outlet holes centered, in the m/c.

Clarance J · 02-18-2019, 10:59 PM

Paintman. I would question that too. See what they say. That would rattle around in my head always wondering if it was right or wrong.

Earl

**mongocanfly** · 02-19-2019, 08:56 AM

You won't get any arguement from me...I'll agree that it doesn't look right..actually looks like like crap...hard to believe something like that could get past QC if its wrong....but I've also seen some questionably designed stuff from wilwood as of late..
I'd sure be curious to see what wilwood says.....

**jweb** · 02-19-2019, 11:46 AM

Mongo is correct, the fitting won't bottom out and you will be fine. Mine was the same way and here's a stock Wilwood photo showing the offset holes.

I do agree it looks strange, not sure why they're made that way.

**joedoh** · 02-19-2019, 11:58 AM

Quote:

Originally Posted by jweb

not sure why they're made that way.

so air bubbles dont get trapped.

bowt1ed · 02-19-2019, 12:43 PM

Perhaps to draw more from reservoir side and alleviate any possible sediment, because they can. Not that sediment would/should be present.

**mongocanfly** · 02-19-2019, 12:50 PM

It was harder to see the hole position in the 1st pics but now that I see Jeb's pic it's easy to see that it's to keep from trapping air in the void ....
Like joedoh says

paintman · 02-19-2019, 12:55 PM

Thanks guys!!!!!!!!!!!!!!!!

**mr48chev** · 02-19-2019, 01:00 PM

It also should at least in theory to keep air from being trapped in the cylinder bore.

02-18-2019, 08:21 PM	#1
paintman Registered User Join Date: Dec 2010 Location: washington NJ Posts: 766	Wilwood master cylinder, does this look right??????? Gentlemen, in my never ending quest to get my brakes to work I ordered a new Wilwood MC. I noticed the exit ports on the MC are off center to the reducer fitting for the brake line fitting. Does this look right. Seems to me the reducer fitting will block off the hole where the fluid exits the MC.

02-18-2019, 08:28 PM	#2
Rickysnickers Senior Member Join Date: Oct 2014 Location: Eagle, ID Posts: 3,066	Re: Wilwood master cylinder, does this look right??????? No, it doesn't. I would send that photo to Wilwood and let them know.

02-18-2019, 08:53 PM	#3
mongocanfly Post Whore Join Date: May 2015 Location: Alabama Posts: 14,671	Re: Wilwood master cylinder, does this look right??????? I dont think your fitting will bottom out in the hole...measure it and see..if it doesn't bottom out there will be a void between them...... __________________ Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver

02-18-2019, 10:06 PM	#4
Rickysnickers Senior Member Join Date: Oct 2014 Location: Eagle, ID Posts: 3,066	Re: Wilwood master cylinder, does this look right??????? I'm not trying to argue with you Mongo at all when I say this, so please do not take it as such. Even if the fitting doesn't bottom out, that hole is still drilled wrong. My Wilwood had the outlet holes centered, in the m/c.

02-18-2019, 10:59 PM	#5
Clarance J Registered User Join Date: Feb 2013 Location: Grants Pass Oregon Posts: 474	Re: Wilwood master cylinder, does this look right??????? Paintman. I would question that too. See what they say. That would rattle around in my head always wondering if it was right or wrong. Earl __________________ You have to have patiences or you'll be one.

02-19-2019, 08:56 AM	#6
mongocanfly Post Whore Join Date: May 2015 Location: Alabama Posts: 14,671	Re: Wilwood master cylinder, does this look right??????? You won't get any arguement from me...I'll agree that it doesn't look right..actually looks like like crap...hard to believe something like that could get past QC if its wrong....but I've also seen some questionably designed stuff from wilwood as of late.. I'd sure be curious to see what wilwood says..... __________________ Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver Last edited by mongocanfly; 02-19-2019 at 09:01 AM.

02-19-2019, 11:46 AM	#7
jweb Senior Member Join Date: Apr 2010 Location: Oregon Posts: 1,208	Re: Wilwood master cylinder, does this look right??????? Mongo is correct, the fitting won't bottom out and you will be fine. Mine was the same way and here's a stock Wilwood photo showing the offset holes. I do agree it looks strange, not sure why they're made that way. Attached Images __________________ 1951 Truck, LS1/4L60 1964 Suburban, current project 2014 Silverado daily driver 1953 Westerner "canned ham" trailer, rebuilt 1974 Prowler trailer, rebuilt

02-19-2019, 12:43 PM	#9
bowt1ed Registered User Join Date: Apr 2011 Location: Virginia Beach, VA Posts: 514	Re: Wilwood master cylinder, does this look right??????? Perhaps to draw more from reservoir side and alleviate any possible sediment, because they can. Not that sediment would/should be present.

02-19-2019, 12:50 PM	#10
mongocanfly Post Whore Join Date: May 2015 Location: Alabama Posts: 14,671	Re: Wilwood master cylinder, does this look right??????? It was harder to see the hole position in the 1st pics but now that I see Jeb's pic it's easy to see that it's to keep from trapping air in the void .... Like joedoh says __________________ Mongo...aka Greg RIP Dad RIP Jesse 1981 C30 LQ9 NV4500..http://67-72chevytrucks.com/vboard/s...d.php?t=753598 Mongos AD- LS3 TR6060...http://67-72chevytrucks.com/vboard/s...34#post8522334 Columbus..the 1957 IH 4x4...http://67-72chevytrucks.com/vboard/s...63#post8082563 2023 Chevy Z71..daily driver

02-19-2019, 12:55 PM	#11
paintman Registered User Join Date: Dec 2010 Location: washington NJ Posts: 766	Re: Wilwood master cylinder, does this look right??????? Thanks guys!!!!!!!!!!!!!!!!

02-19-2019, 01:00 PM	#12
mr48chev Registered User Join Date: Jul 2007 Location: Toppenish, WA Posts: 15,711	Re: Wilwood master cylinder, does this look right??????? It also should at least in theory to keep air from being trapped in the cylinder bore. __________________ Founding member of the too many projects, too little time and money club. My ongoing truck projects: 48 Chev 3100 that will run a 292 Six. 71 GMC 2500 that is getting a Cad 500 transplant. 77 C 30 dualie, 454, 4 speed with a 10 foot flatbed and hoist. It does the heavy work and hauls the projects around.

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