Author Topic: Billet Vacuum Block.  (Read 2178 times)

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Offline Recklessrob

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Billet Vacuum Block.
« on: April 03 2006, 12:13:10 AM »
I put on a New vac. block today. The actual
installation is self explanatory, but I have a few tips.
My old block warped and was leaking vac/boost due
to old age, excessive boost etc...
If you're about to replace your's, buy a new gasket
to go with it. The original block has a different shaped
under side and crushes the gasket differently. A new
gasket takes care of this. I bought my block from
Kirban's, but I'm sure others are similar if not identical.
This one had a small piece of aluminum shaving left hanging
around in it that had to be removed to prevent it from
entering the engine. Inspect yours thoroughly before installation.
The next thing I encountered was that the fittings are all threaded
into the block. Mine were loose. No big deal. I took
care of that by putting some Loc-Tite on the threads and tightening
them with a pair of pliers. Don't make them too tight, or they
may break, as they're only made of aluminum.
All in all I think its a nice piece, and far superior to
the plastic factory part.
Here's a pic.
Rob

DCEPTCN

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Re: Billet Vacuum Block.
« Reply #1 on: April 03 2006, 01:09:56 PM »
How much did you pay? I got the machined billet one with brake tap from Poston for $45 and it came with the new gasket.

Offline Recklessrob

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Re: Billet Vacuum Block.
« Reply #2 on: April 03 2006, 01:12:00 PM »
The block was $30, and the gasket was $2.
Rob

Offline dennisL

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Re: Billet Vacuum Block.
« Reply #3 on: August 21 2012, 02:32:18 PM »
I thought this would be a good place to include the hose sizes for those who want to replace them when they replace the vacuum block.


qty 3 - 7/32 inch
qty 1 - 5/32 inch
qty 1 - 3/8 inch
'87 GN (original owner)
'70 Buick Electra 225 Convertible
'69 Camaro ZZ502

Offline daveismissing

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Re: Billet Vacuum Block.
« Reply #4 on: August 21 2012, 03:36:59 PM »
Thanks Dennis- good info and Welcome.  Appreciate having you here.
Dave
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Offline SuperSix

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Re: Billet Vacuum Block.
« Reply #5 on: August 21 2012, 06:12:35 PM »
Definitely great info..

Thanks and welcome!
'87 GN, 60lb, TA49, THDP, FTP cam, T+ lots o' shit - in process... Close.. SOOOOOO CLOSE!!
'07 Ford F150 Lariat 2WD, 5.4L 230k

Offline dennisL

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Re: Billet Vacuum Block.
« Reply #6 on: August 22 2012, 10:45:50 AM »
Its great to be here and I'm really enjoying this site. Thank YOU.


I spent more time determining the correct hose sizes than I did changing the vacuum block so now others don't have to do the same.
'87 GN (original owner)
'70 Buick Electra 225 Convertible
'69 Camaro ZZ502


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