555 to 572 C.I. vacume pumps, who's good?
#1705962
12/02/14 05:07 PM
12/02/14 05:07 PM
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Joined: Aug 2003
Posts: 43,173
Bend,OR USA
Cab_Burge
OP
I Win
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OP
I Win
Joined: Aug 2003
Posts: 43,173
Bend,OR USA
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I'm working up a quote for a customer who wants a B1 motor, 555 to 572 C.I. range and he wants it to make as much power as he can at or under 7500 RPM N/A. I've never used a vacume pump on any motor yet but I want to on this motor, which pump do you use and which ones, Moroso, Star and any others, are the best to use in this deal  All comments and help appreciated 
Last edited by Cab_Burge; 12/02/14 11:22 PM.
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: 555 to 572 C.I. vacume pumps, who's good?
[Re: Cab_Burge]
#1705963
12/02/14 05:19 PM
12/02/14 05:19 PM
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Joined: Oct 2011
Posts: 3,036
bean town ....Ca
WHITEDART
master
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master
Joined: Oct 2011
Posts: 3,036
bean town ....Ca
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4 vane moroso is a good choice
In the 8s N/A.with Brett miller W8's
5.07 at 133 at 2700lb
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Re: 555 to 572 C.I. vacume pumps, who's good?
[Re: WHITEDART]
#1705964
12/02/14 05:33 PM
12/02/14 05:33 PM
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Joined: Jan 2003
Posts: 19,363
Las Vegas
Al_Alguire
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 19,363
Las Vegas
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Star makes the best stuff. Having said that we have had really good luck with Moroso stuff.
"I am not ashamed to confess I am ignorant of what I do not know."
"It's never wrong to do the right thing"
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Re: 555 to 572 C.I. vacume pumps, who's good?
[Re: Cab_Burge]
#1705965
12/02/14 05:37 PM
12/02/14 05:37 PM
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Joined: Jan 2003
Posts: 13,363
Marion, South Carolina [><]
an8sec70cuda
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 13,363
Marion, South Carolina [><]
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Star, Moroso, and GZ are all good. I have an Aerospace pump and do not care for it. We have a Moroso pump on the Camaro and it works good. Star is kinda expensive. Have heard good things about the GZ pumps...will be putting one on my hemi when my Aerospace pump craps out again.
CHIP
'70 hemicuda, 575" Hemi, 727, Dana 60
'69 road runner, 440-6, 18 spline 4 speed, Dana 60
'71 Demon, 340, low gear 904, 8.75
'73 Chrysler New Yorker, 440, 727, 8.75
'90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt
'06 GMC 2500HD LBZ Duramax
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Re: 555 to 572 C.I. vacume pumps, who's good?
[Re: an8sec70cuda]
#1705966
12/02/14 07:31 PM
12/02/14 07:31 PM
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Joined: Jan 2012
Posts: 2,645
Stuttgart, Arkansas
rickseeman
master
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master
Joined: Jan 2012
Posts: 2,645
Stuttgart, Arkansas
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If he really wants max performance ask him if he would like to use a dry sump and have the pump designed to pull the vacuum.
2011 Drag Pak Challenger
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Re: 555 to 572 C.I. vacume pumps, who's good?
[Re: AndyF]
#1705968
12/02/14 08:52 PM
12/02/14 08:52 PM
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Joined: Mar 2006
Posts: 9,835
MI, usa
dvw
master
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master
Joined: Mar 2006
Posts: 9,835
MI, usa
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Do some research and you'll find that the GZ Motorsports stuff is very nice for about the same $ as Moroso. http://www.gzmotorsports.com/Doug
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Re: 555 to 572 C.I. vacume pumps, who's good?
[Re: sasquatch]
#1705972
12/04/14 02:29 AM
12/04/14 02:29 AM
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Joined: Jun 2003
Posts: 52,972
Romeo MI
MR_P_BODY
Master
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Master
Joined: Jun 2003
Posts: 52,972
Romeo MI
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Quote:
We used Aerospace until we tried Star Machine. No contest.
Star.
Todd
I never liked the Aerospace after I put it on...
of all the units out there Aerospace is dead last..
I flowed air pumps at work that were better.. by a
good bit
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Re: 555 to 572 C.I. vacume pumps, who's good?
[Re: Cab_Burge]
#1705973
12/04/14 08:15 AM
12/04/14 08:15 AM
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Joined: Jan 2003
Posts: 9,997
Frostbitefalls MN (Rocky&Bullw...
gregsdart
master
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master
Joined: Jan 2003
Posts: 9,997
Frostbitefalls MN (Rocky&Bullw...
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Running a 528 wedge, I tried a GPZ years ago, couldn't pull enough to show 3 inch vacuum. Went to a Moroso three vane, got max 10 inch running 50 percent engine speed. I suspect the four vane enhanced Moroso would be ideal, as you can regulate it down and run it fairly slow to get the same results, improving pump life.
Last edited by gregsdart; 12/04/14 08:17 AM.
8..603 156 mph best, 2905 lbs 549, indy 572-13, alky
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Re: 555 to 572 C.I. vacume pumps, who's good?
[Re: gregsdart]
#1705974
12/04/14 09:21 AM
12/04/14 09:21 AM
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Joined: Mar 2006
Posts: 9,835
MI, usa
dvw
master
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master
Joined: Mar 2006
Posts: 9,835
MI, usa
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Quote:
Running a 528 wedge, I tried a GPZ years ago, couldn't pull enough to show 3 inch vacuum. Went to a Moroso three vane, got max 10 inch running 50 percent engine speed. I suspect the four vane enhanced Moroso would be ideal, as you can regulate it down and run it fairly slow to get the same results, improving pump life.
My GPZ will pull 7-8 at idle.
Doug
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Re: 555 to 572 C.I. vacume pumps, who's good?
[Re: dvw]
#1705975
12/04/14 03:33 PM
12/04/14 03:33 PM
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Joined: Jan 2003
Posts: 9,997
Frostbitefalls MN (Rocky&Bullw...
gregsdart
master
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master
Joined: Jan 2003
Posts: 9,997
Frostbitefalls MN (Rocky&Bullw...
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Quote:
Quote:
Running a 528 wedge, I tried a GPZ years ago, couldn't pull enough to show 3 inch vacuum. Went to a Moroso three vane, got max 10 inch running 50 percent engine speed. I suspect the four vane enhanced Moroso would be ideal, as you can regulate it down and run it fairly slow to get the same results, improving pump life.
My GPZ will pull 7-8 at idle.
Doug
The year was 2003, and the pump was a converted Pinto smog pump. I believe they were GZ then? I called them three times and they never responded. So they have one dissatisfied customer. Glad your pump works. They may have totally changed their product since, but you know how it is. Burn me once,,,,,,,,,,,
8..603 156 mph best, 2905 lbs 549, indy 572-13, alky
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Re: 555 to 572 C.I. vacume pumps, who's good?
[Re: MRMOPAR622]
#1705977
12/04/14 10:27 PM
12/04/14 10:27 PM
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Joined: Mar 2006
Posts: 9,835
MI, usa
dvw
master
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master
Joined: Mar 2006
Posts: 9,835
MI, usa
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Quote:
Quote:
Quote:
Running a 528 wedge, I tried a GPZ years ago, couldn't pull enough to show 3 inch vacuum. Went to a Moroso three vane, got max 10 inch running 50 percent engine speed. I suspect the four vane enhanced Moroso would be ideal, as you can regulate it down and run it fairly slow to get the same results, improving pump life.
My GPZ will pull 7-8 at idle.
Doug
You might want to be more interested in what it is pulling at the 1/8 or 1/4 mile which ever you run in other words wide open throttle that counts.That is not a smart remark just saying to much vacuum can do more damage than good on a wet sump engine.  I don't know how to spell the fancy word for it,but when you have to much vacuum it dead locks your oil pump.
I haven't run over 12", yet. It has and adjuster to allow it to draw outside air to reduce vacuum. I have it open nearly all the way. Check out their website and compare CFM to other brands.
Doug
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Re: 555 to 572 C.I. vacume pumps, who's good?
[Re: Cab_Burge]
#1705979
12/05/14 10:34 AM
12/05/14 10:34 AM
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Joined: May 2014
Posts: 503
Idaho
1320Dart
mopar
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mopar
Joined: May 2014
Posts: 503
Idaho
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With out a doubt Star pumps
Greg ----------------------------------------------------------------- Cost is irrelevant, making memories is far more valuable! 
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