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GZ Motorsports - Sportsman Vacuum Pump #2218597
12/21/16 09:28 PM 12/21/16 09:28 PM
Joined: Jul 2010
Posts: 679
COLUMBUS, OH
W
Whompin_Wedge Offline OP
mopar
Whompin_Wedge  Offline OP
mopar
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Joined: Jul 2010
Posts: 679
COLUMBUS, OH
Are any of you guys running GZ motorsports stuff?


I am looking at the sportsman pump for our car.. thoughts opinions?

Thanks,

Casey
Re: GZ Motorsports - Sportsman Vacuum Pump [Re: Whompin_Wedge] #2218666
12/21/16 11:36 PM 12/21/16 11:36 PM
Joined: Sep 2006
Posts: 3,749
Chowchilla,ca
Chassisman Offline
master
Chassisman  Offline
master

Joined: Sep 2006
Posts: 3,749
Chowchilla,ca
We run all of Bill's stuff on our S/C S/P BBC dragster. LOVE IT !!!!!....everything Bill does is TOP NOTCH. Give him a call and tell him RON THOMAS sent you....you won't be disappointed.
Re: GZ Motorsports - Sportsman Vacuum Pump [Re: Whompin_Wedge] #2218675
12/21/16 11:46 PM 12/21/16 11:46 PM
Joined: Aug 2003
Posts: 43,174
Bend,OR USA
C
Cab_Burge Offline
I Win
Cab_Burge  Offline
I Win
C

Joined: Aug 2003
Posts: 43,174
Bend,OR USA
I bought a used GZ pump off of a member on here, it was the next higher price unit above the cheapest one and it pulls around five inches at 5000 RPM in neutral on my 505 C.I. BB wedge bracket motor. That motor has 1/16,1/16 3/16 ring pack and it wasn't built for a vacuum pump to start with so that may have something to do with that low reading work My next motor will have a Moroso three vane vacuum pump on it, I'm shooting for between 12 and 15 inches at or above 5000 RPM with .043,.043 and 3MM low tension ring pack so maybe that will seal better luck

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: GZ Motorsports - Sportsman Vacuum Pump [Re: Cab_Burge] #2218677
12/21/16 11:48 PM 12/21/16 11:48 PM
Joined: Sep 2006
Posts: 3,749
Chowchilla,ca
Chassisman Offline
master
Chassisman  Offline
master

Joined: Sep 2006
Posts: 3,749
Chowchilla,ca
Originally Posted By Cab_Burge
I bought a used GZ pump off of a member on here, it was the next higher price unit above the cheapest one and it pulls around five inches at 5000 RPM in neutral on my 505 C.I. BB wedge bracket motor. That motor has 1/16,1/16 3/16 ring pack and it wasn't built for a vacuum pump to start with so that may have something to do with that low reading work My next motor will have a Moroso three vane vacuum pump on it, I'm shooting for between 12 and 15 inches at or above 5000 RPM with .043,.043 and 3MM low tension ring pack so maybe that will seal better luck
....Did you adjust it and call and talk to Bill?....we pull 10hg on our 468 BBC
Re: GZ Motorsports - Sportsman Vacuum Pump [Re: Chassisman] #2218697
12/22/16 12:16 AM 12/22/16 12:16 AM
Joined: Aug 2003
Posts: 43,174
Bend,OR USA
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Cab_Burge Offline
I Win
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Joined: Aug 2003
Posts: 43,174
Bend,OR USA
I did, I don't have a gauge in the car to read so who knows what it is reading at WOT during the run confused
Maybe I should swap pumps and see if it is better, worse or the same work

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: GZ Motorsports - Sportsman Vacuum Pump [Re: Cab_Burge] #2218703
12/22/16 12:26 AM 12/22/16 12:26 AM
Joined: Sep 2006
Posts: 3,749
Chowchilla,ca
Chassisman Offline
master
Chassisman  Offline
master

Joined: Sep 2006
Posts: 3,749
Chowchilla,ca
Originally Posted By Cab_Burge
I did, I don't have a gauge in the car to read so who knows what it is reading at WOT during the run confused
Maybe I should swap pumps and see if it is better, worse or the same work
Or hook up a gauge....we have a Racepak so we can monitor it. If reading get too low we can tell if it has a ring going bad.
Re: GZ Motorsports - Sportsman Vacuum Pump [Re: Whompin_Wedge] #2218706
12/22/16 12:29 AM 12/22/16 12:29 AM
Joined: Jan 2005
Posts: 3,635
Oakland, MI
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dizuster Offline
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dizuster  Offline
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Oakland, MI
That thing runs under the index anyway. I recommend you save the money and spend it on GOOD beer. Let me know your decision, and I'll show up to help consume it.
Re: GZ Motorsports - Sportsman Vacuum Pump [Re: Whompin_Wedge] #2218746
12/22/16 01:24 AM 12/22/16 01:24 AM
Joined: Nov 2004
Posts: 6,890
North Alabama
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Monte_Smith Offline
master
Monte_Smith  Offline
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Joined: Nov 2004
Posts: 6,890
North Alabama
Cab, that 3 vane moroso won't make that much unless you spin it 1.1 and still doubt it will make that. While the GZ is a good pump, Star Machine seems to be the gold standard in pumps. That's what we have switched most everything over to.
Re: GZ Motorsports - Sportsman Vacuum Pump [Re: Monte_Smith] #2218814
12/22/16 04:32 AM 12/22/16 04:32 AM
Joined: Aug 2003
Posts: 43,174
Bend,OR USA
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Cab_Burge Offline
I Win
Cab_Burge  Offline
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Joined: Aug 2003
Posts: 43,174
Bend,OR USA
Thanks for the help bow up

Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
Re: GZ Motorsports - Sportsman Vacuum Pump [Re: dizuster] #2218883
12/22/16 12:05 PM 12/22/16 12:05 PM
Joined: Jan 2003
Posts: 6,350
Aurora, Oh.
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max_maniac Offline
master
max_maniac  Offline
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Joined: Jan 2003
Posts: 6,350
Aurora, Oh.
Originally Posted By dizuster
That thing runs under the index anyway. I recommend you save the money and spend it on GOOD beer. Let me know your decision, and I'll show up to help consume it.



Casey I think he has a point - that is unless you are looking to step up to the next index......... I know I am devil
Re: GZ Motorsports - Sportsman Vacuum Pump [Re: Whompin_Wedge] #2218884
12/22/16 12:06 PM 12/22/16 12:06 PM
Joined: Apr 2003
Posts: 3,510
Tulsa, Oklahoma
340Cuda Offline
master
340Cuda  Offline
master

Joined: Apr 2003
Posts: 3,510
Tulsa, Oklahoma
I purchased a low end pump from GZ a long time ago. They did not offer a kit for a small block at the time but he worked with me to get it mounted.

I would say the after sale support was very good.

I run a Moroso 4 vane now that would suck the engine inside out if I would let it.

Bill
Re: GZ Motorsports - Sportsman Vacuum Pump [Re: Whompin_Wedge] #2218895
12/22/16 12:22 PM 12/22/16 12:22 PM
Joined: Mar 2006
Posts: 9,835
MI, usa
dvw Offline
master
dvw  Offline
master

Joined: Mar 2006
Posts: 9,835
MI, usa
Casey mine has a GZ. Pulls about 5-6 at idle, 10-11 at speed (on the vacuum gauge). I found the stuff to be nice. And you know I'll be there to drink the beer.
Doug

E18.jpgE21.jpg
Re: GZ Motorsports - Sportsman Vacuum Pump [Re: Monte_Smith] #2218971
12/22/16 02:02 PM 12/22/16 02:02 PM
Joined: Nov 2003
Posts: 2,131
New Lenox IL
cudadon Offline
top fuel
cudadon  Offline
top fuel

Joined: Nov 2003
Posts: 2,131
New Lenox IL
Originally Posted By Monte_Smith
Cab, that 3 vane moroso won't make that much unless you spin it 1.1 and still doubt it will make that. While the GZ is a good pump, Star Machine seems to be the gold standard in pumps. That's what we have switched most everything over to.


Monte I am told the 4 vane Moroso will pull more. What do you think?
Enhanced design a waste of money?
Thanks, Don

http://i131.photobucket.com/albums/p314/cudadon/BKD6_09_10_191A.jpg
Re: GZ Motorsports - Sportsman Vacuum Pump [Re: Whompin_Wedge] #2219007
12/22/16 02:47 PM 12/22/16 02:47 PM
Joined: Nov 2004
Posts: 6,890
North Alabama
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Monte_Smith Offline
master
Monte_Smith  Offline
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Joined: Nov 2004
Posts: 6,890
North Alabama
Our new 765 has a 4 vane Moroso. Not happy with it either. Switching this one to a Star as well
Re: GZ Motorsports - Sportsman Vacuum Pump [Re: Monte_Smith] #2219087
12/22/16 04:33 PM 12/22/16 04:33 PM
Joined: May 2006
Posts: 1,073
oregon
G
greendart408 Offline
super stock
greendart408  Offline
super stock
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Joined: May 2006
Posts: 1,073
oregon
Agree with Monte, star machine here. Did my research before I bought and wanted to do it once. Top notch product.
Re: GZ Motorsports - Sportsman Vacuum Pump [Re: dizuster] #2219208
12/22/16 08:08 PM 12/22/16 08:08 PM
Joined: Jul 2010
Posts: 679
COLUMBUS, OH
W
Whompin_Wedge Offline OP
mopar
Whompin_Wedge  Offline OP
mopar
W

Joined: Jul 2010
Posts: 679
COLUMBUS, OH
Originally Posted By dizuster
That thing runs under the index anyway. I recommend you save the money and spend it on GOOD beer. Let me know your decision, and I'll show up to help consume it.


Haha I bring the best bud light Ohio has to offer!!

With that being said I have to try and keep up with Russ!!

Thanks for all of the opinions guys I haven't looked at Star yet.

Casey
Re: GZ Motorsports - Sportsman Vacuum Pump [Re: Whompin_Wedge] #2219244
12/22/16 09:28 PM 12/22/16 09:28 PM
Joined: Jan 2013
Posts: 174
H
hustlin hoosier Offline
member
hustlin hoosier  Offline
member
H

Joined: Jan 2013
Posts: 174
I have a star mountain motor pump I will take $300 for. It is off of the Rick jones motor. It might be to much for a NSS car, might be able to spin it slower. It made 20 in on an 825 inch motor. 812 569 0494. It is in great shape.

Last edited by hustlin hoosier; 12/22/16 09:29 PM.
Re: GZ Motorsports - Sportsman Vacuum Pump [Re: hustlin hoosier] #2219376
12/23/16 12:45 AM 12/23/16 12:45 AM
Joined: Jul 2010
Posts: 417
reynoldsburg,ohio
poppaj Offline
mopar
poppaj  Offline
mopar

Joined: Jul 2010
Posts: 417
reynoldsburg,ohio
Will take it Mike

AA/NSS 65'Coronet "Whompin Wedge"
Pop & Son Performance 557" B-1 power
John Holt Chassis

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