boost LEAK TEST help
Thread Starter
Burning Brakes
Joined: Nov 2008
Posts: 998
Likes: 0
boost LEAK TEST help
here is my set up
but i can only hear air seaping out of my brand new supercharger here..wtf
This is what my compressor is set on
1. is air supposed to seep out of the supercharger there ?
2. AM I DOING THIS RIGHT ??
but i can only hear air seaping out of my brand new supercharger here..wtf
This is what my compressor is set on
1. is air supposed to seep out of the supercharger there ?
2. AM I DOING THIS RIGHT ??
Former Vendor
Joined: Jul 2010
Posts: 4,504
Likes: 4
From: Waterloo Ontario
If there's is air leaking at the volute that tells you there are no leaks from the intake pipe to the blower.
The air your hearing at the volute is coming from the holes that clock the volute-that's 100% normal. The holes go right into the scroll.
Another thing you should check is all the vacuum lines coming off the intake. Pull the line at the T-from the brake booster and use a mightyvac and put boost to the line.
This will verify there's no leaks at the meth map sensor, bov, etc, etc,,,
What problem are you having buddy?
The air your hearing at the volute is coming from the holes that clock the volute-that's 100% normal. The holes go right into the scroll.
Another thing you should check is all the vacuum lines coming off the intake. Pull the line at the T-from the brake booster and use a mightyvac and put boost to the line.
This will verify there's no leaks at the meth map sensor, bov, etc, etc,,,
What problem are you having buddy?
Thread Starter
Burning Brakes
Joined: Nov 2008
Posts: 998
Likes: 0
thanks
Thread Starter
Burning Brakes
Joined: Nov 2008
Posts: 998
Likes: 0
If there's is air leaking at the volute that tells you there are no leaks from the intake pipe to the blower.
The air your hearing at the volute is coming from the holes that clock the volute-that's 100% normal. The holes go right into the scroll.
Another thing you should check is all the vacuum lines coming off the intake. Pull the line at the T-from the brake booster and use a mightyvac and put boost to the line.
This will verify there's no leaks at the meth map sensor, bov, etc, etc,,,
What problem are you having buddy?
The air your hearing at the volute is coming from the holes that clock the volute-that's 100% normal. The holes go right into the scroll.
Another thing you should check is all the vacuum lines coming off the intake. Pull the line at the T-from the brake booster and use a mightyvac and put boost to the line.
This will verify there's no leaks at the meth map sensor, bov, etc, etc,,,
What problem are you having buddy?
Supporting Vendor
Joined: Apr 2012
Posts: 2,673
Likes: 370
From: Forney TX
I would recommend keeping the intake involved in the test too. The volute can actually leak a surprising amount through those little 1/4" holes. I prefer to put 1/4 x 20 set screws in there with blue loctite. That's a little something that I learned from 02402Ramair. On AJRothm's car, I had an unregulated 3/8" hose with 120psi in the compressor tank and I couldn't get it to register anything until I put the set screws in. Once you do that, then you can start evaluating the rest of the system for leaks.
Thread Starter
Burning Brakes
Joined: Nov 2008
Posts: 998
Likes: 0
I would recommend keeping the intake involved in the test too. The volute can actually leak a surprising amount through those little 1/4" holes. I prefer to put 1/4 x 20 set screws in there with blue loctite. That's a little something that I learned from 02402Ramair. On AJRothm's car, I had an unregulated 3/8" hose with 120psi in the compressor tank and I couldn't get it to register anything until I put the set screws in. Once you do that, then you can start evaluating the rest of the system for leaks.
im not pulling the supercharger back out of the car for the 50th time to install the screws in the volute. guess im going to bypass the blower all together. maybe cap the "blower exhaust" piping.
Last edited by Zeus-of-Boost; Nov 4, 2012 at 08:48 PM.
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Offering products from A&A Superchargers, East Coast Superchargers, Mechman Alternators, Mantic clutches, RPS clutches, Kooks Headers, Lakewood, LG, Brian Tooley Racing, Comp Cams, FAST, ARP, UPP Turbo systems, Wiseco, Callies, K1, MAST Motorsports, Haltech and many more. PM me for details.
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Le Mans Master
Joined: Feb 2004
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From: York PA
Supporting Vendor
Joined: Apr 2012
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From: Forney TX
Not really. Shane is the only person that I know of that's run both and he gained some boost on the change. I am also getting a custom 4.5" intercooler, 2400CFM intercooler made. Gonna get some air to this motor of mine one way or another. 
Former Vendor
Joined: Jul 2010
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From: Waterloo Ontario
Just flatten the threads on the set screw so the only go in so far-they can back out-but not go in.
Le Mans Master
Joined: Feb 2004
Posts: 8,629
Likes: 16
From: York PA
I see what you're saying. Maybe countersink the hole & use a flat head screw.