HomeHOW TO DO AN ADVANCED SEARCH.
Mon Jul 08, 2013 3:56 pm by Admin
For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.
When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).
After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …
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power steering pump
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power steering pump
Vorsche944 Thu Aug 20, 2009 9:26 am
ok, we have the engine in and took a test run yesterday, sweet, howevfer we have PS issues
Car 87 Turbo
LS1 2001 Corvette with 28k miles
PS pump is original Corvette with remote reservoir and PS cooler
We fired up the engine and the PS is making a moaning sound
We turned the wheels and the moaning got louder (if this was only so easy with women)
When we went to stops we blew the PS seals on the power side.
We checked and we believer we have fluid flow through the reservoir
Looking for thoughts, ideas and suggestions.
Thanks
Vorsche
Car 87 Turbo
LS1 2001 Corvette with 28k miles
PS pump is original Corvette with remote reservoir and PS cooler
We fired up the engine and the PS is making a moaning sound
We turned the wheels and the moaning got louder (if this was only so easy with women)
When we went to stops we blew the PS seals on the power side.
We checked and we believer we have fluid flow through the reservoir
Looking for thoughts, ideas and suggestions.
Thanks
Vorsche
Vorsche944- Moderator
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Re: power steering pump
xschop Thu Aug 20, 2009 9:55 am
Sounds like you've got a high-lo pressure line mixed
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Re: power steering pump
Admin Thu Aug 20, 2009 10:51 am
Rack was working fine when the car was taken apart.
Hoses have been checked and double checked. Unless a critter got into the line while it was sitting for a year!
Hoses have been checked and double checked. Unless a critter got into the line while it was sitting for a year!
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Re: power steering pump
xschop Thu Aug 20, 2009 10:56 am
Clean Banjo bolts?
Seprentine spinning correct way?
Air lock in pump?
Seprentine spinning correct way?
Air lock in pump?
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Re: power steering pump
gt1scca Thu Aug 20, 2009 10:58 am
That "year" could have been the finishing touch on those 22 year old seals...
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Re: power steering pump
944-LT1 Thu Aug 20, 2009 1:28 pm
Ive blown a rack once....I had the lines reversed. 
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944-LT1- Moderator
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Re: power steering pump
Admin Thu Aug 20, 2009 7:54 pm
Check the hoses twice just to make sure. But I never make a mistake! 
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Re: power steering pump
944-LT1 Thu Aug 20, 2009 10:54 pm
Confuse me?
Im guessing this is a car you built for Vorsche?
Im guessing this is a car you built for Vorsche?
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Re: power steering pump
Vorsche944 Fri Aug 21, 2009 12:06 am
We are so close but not built, yet still building.
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Re: power steering pump
Vorsche944 Fri Aug 21, 2009 12:21 am
944-LT1
I was looking around for Hydroboost information and saw where you were looking at putting in an Atro Ban system back in 2006
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Did you every do anything with this idea?
I was looking around for Hydroboost information and saw where you were looking at putting in an Atro Ban system back in 2006
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Did you every do anything with this idea?
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Re: power steering pump
944-LT1 Fri Aug 21, 2009 12:34 am
No. I gave up the idea of power brakes and went the direction of weight savings!
I couldnt do the hydro system because I got rid of the PS system and every other option I could. So it just ended up a fiberglass 944 which is quite lite and the 993TT's do very well.
But I AM looking forward to Pauls or Robs dual MC kit!!!
I couldnt do the hydro system because I got rid of the PS system and every other option I could. So it just ended up a fiberglass 944 which is quite lite and the 993TT's do very well.
But I AM looking forward to Pauls or Robs dual MC kit!!!
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Re: power steering pump
gt1scca Fri Aug 21, 2009 1:28 am
Damn, no respect...Jeez.944-LT1 wrote:...Pauls or Robs dual MC kit!!!
[Dangerfield is alive and well.]
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Re: power steering pump
944-LT1 Fri Aug 21, 2009 2:02 am
Oh $#**.....sorry. I really have no idea whos doing what anymore.
IM SO CONFUSED ANYMORE......ooh im hungry too......
IM SO CONFUSED ANYMORE......ooh im hungry too......
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Re: power steering pump
dallas Fri Aug 21, 2009 6:18 am
As for blowing the seals... Maybe it was time. However with the system being apart that long air got in. Now add some oil and you've got a nice mixture for the ps pump to cavitate with. I've run into it changing racks. Sometimes it just has to permeate out itself. If it doesn't go away after sitting overnight, then there's a problem. Check the reservior for air bubbles in the fluid. There shouldn't be any noise after they're gone. Just my 2cts
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Location : stratford ct.
Re: power steering pump
gt1scca Fri Aug 21, 2009 1:31 pm
No problem...If it takes the whole forum to "Get R Done", that will be cool.944-LT1 wrote:Oh $#**.....sorry...
Just bustin' ya chops, dude.
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.
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stock pump
xschop Fri Aug 21, 2009 3:16 pm
Anybody stuck the stock pump on the Chevy motor?
It is light weight, but personally, I don't want to pay Porsche when I can pay GM when it comes time for a new one.
P.O.P.P. fo sho
It is light weight, but personally, I don't want to pay Porsche when I can pay GM when it comes time for a new one.
P.O.P.P. fo sho
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Re: power steering pump
gt1scca Fri Aug 21, 2009 5:48 pm
From PHB:
Turn One PS Pumps
.
Here's the link...Posted by sbwrench on Sat May 24, 2008 1:22 pm
My experience is that the GM pumps and Porsche racks are mismatched from a pressure point of view. The Porsche rack requires more pressure then the typical GM pump can deliver. The pump maxes out, the relief blows off and it just starts getting hot. I went through 3 pumps and got about 6 mos. out of them before they got noisy. Switched to a new one built by Turn One that had more pressure and a re configured blow off and it's working great after more then a year. Improved feeling too. The guy who owns the place is really nice and know's whats up. There was a whole thread on this a while back.
Al
_______________________________________________________________________________________
Posted by Porch on Fri Jan 23, 2009 2:02 pm
I just got off the phone with Turn One...
I told him what I had done with shimming that spring and he said that probably caused more problems than it solved. He said that what needed to be done is to increase the pressure and decrease the flow to match up to what our systems need.
-They'll sell me a new pump for $225 (very reasonable, GM wants $325) and charge another $50 to modify it to what I need. So: $275 everything brand new.
-If I had a good used pump that didn't need rebuilding it would be $75
-Rebuilding a used pump would be another $100 (so $175 to rebuild and match to our cars)
So...I could save a few bucks if I bought a reman elsewhere or found a good used pump, but I'm pretty tempted to just say screw it and buy the brand new, 100% functional pump.
Turn One PS Pumps
.
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Re: power steering pump
gt1scca Fri Aug 21, 2009 6:38 pm
Here's an article on the pump...
GM High Tech Performance: Turn One's Power-Steering Pump - Low Flow For More Go
GM High Tech Performance: Turn One's Power-Steering Pump - Low Flow For More Go
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Re: power steering pump
948 Fri Aug 21, 2009 7:37 pm
gt1scca wrote:Damn, no respect...Jeez.944-LT1 wrote:...Pauls or Robs dual MC kit!!!
[Dangerfield is alive and well.]
Rob is doing all the hard work.....Greg and I are just cherry picking !!!!!
<==never did I think I would ever be able to use that smilie in context.
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Re: power steering pump
xschop Fri Aug 21, 2009 7:46 pm
I just checked and a bracket wouldn't be too crazy to fab to mount the 944 PS pump on the LS block. The only unknown would be pulley size for it....anyone have a gander?
BTW, The Dual MC idea is a conglomeration of everyone's effort. Maybe we should apply for a group patent in case some Co. decides to jack our idea an say it's theirs ....
I like this guy...
BTW, The Dual MC idea is a conglomeration of everyone's effort. Maybe we should apply for a group patent in case some Co. decides to jack our idea an say it's theirs ....
I like this guy...
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Re: power steering pump
ffmedic Fri Aug 21, 2009 7:48 pm
Wow just realized turn one is here in frankenmueth michigan bout a 2hour drive from me 
. Gonna give them a call monday for the LT1 pump and hydroboost setup.
. Gonna give them a call monday for the LT1 pump and hydroboost setup.
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>>>
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Re: power steering pump
87-944S Sat Aug 22, 2009 8:58 am
I have the turn 1 pump, seems to work fine. I had the BMW Hydroboost installed, and was plumbing it up, but decided to rip it out. Too big and too close to the headers and engine. I'm going with an electric boost setup, it aslo has an accummulator for power stops if the pump dies. The accummulator is tiny compared to the BMW's and fits nicely behind the driver's headlight. I'm mounting the pump to the frame under the car up by the oil filter. According the to supplier I should have no issues controlling my big blacks up front, and my 968/Turbo/S2 fronts mounted on the rears. I'll let you know the details when it is all together, and pix of course!
Mike
Mike
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Re: power steering pump
Vorsche944 Sat Aug 22, 2009 10:20 am
Thanks for the info, who is the supplier?
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