HOW 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 modifications

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Power steering pump modifications

Post  Arthropraxis on Tue Oct 02, 2012 6:14 pm

I contacted turn one about a power steering pump to power the steering rack and hydroboost. They said my pump could be modified to match the flow I need for $75. He did mention the pump on my motor is variable steering, the pressure decreases as the pump speed increases. That wouldn't be a problem would it? This is a street driven car.
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Re: Power steering pump modifications

Post  87-944S on Mon Oct 08, 2012 8:01 pm

Is this your stock GTO pump? If so, I sent mine to them for mods several years ago, they called me up and said that was a truck pump, which if you trace the part number it is. They do not work on those pumps, which is why I have one of theirs now. I bought a f-body PS bracket to mount the Turn-One pump, the truck pump was bolted right into the head with no mounting bracket.
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Re: Power steering pump modifications

Post  Arthropraxis on Mon Oct 08, 2012 8:35 pm

Apparently, they work on them now. They asked for pictures to verify what pump it was and said they could modify it to work in the correct pressure range.
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Re: Power steering pump modifications

Post  87-944S on Mon Oct 08, 2012 9:12 pm

Nice, well that would have saved me $250 or so! I still have that truck pump laying around. Smile

And if you pull the reservoir off, you have a nice barb fitting to attach a hose to and connect right to the BMW reservoir if you go that route. I'd like to do a pump reservoir delete for my BMW hydroboost, but it would require a trip to a machine shop to get something pressed in to support a hose.


Last edited by 87-944S on Mon Oct 08, 2012 9:24 pm; edited 1 time in total (Reason for editing : added comment)
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Re: Power steering pump modifications

Post  Patb on Tue Oct 09, 2012 7:37 am

I pushed a 1/2 copper sweat X 3/8 female pipe fitting in the inlet of the pump.
works great.
I tried to add a pic but I can't seem to get it in

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Re: Power steering pump modifications

Post  Arthropraxis on Tue Oct 09, 2012 12:44 pm

Patb wrote:I pushed a 1/2 copper sweat X 3/8 female pipe fitting in the inlet of the pump.
works great.
I tried to add a pic but I can't seem to get it in
What is a copper sweat? Is it similar to a welding tip?
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Re: Power steering pump modifications

Post  Patb on Tue Oct 09, 2012 3:51 pm

its a fitting that is soldered to copper tube. I'm not sure how to add a picture here but if you pm me i'll send you one. it worked real sweet I just tapped it in and put a pipe to hose in it.

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PS Pump Pics

Post  87-944S on Tue Oct 09, 2012 10:16 pm

I measured a few fittings today, unfortunately my turn one pump has a 0.76 diameter inlet, so I need to seek another method for deleting the reservoir.

The GTO pump looks like this without the reservoir:



Here's my Turn-One pump:



Here's Patb's setup:



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Re: Power steering pump modifications

Post  87-944S on Thu Oct 11, 2012 7:26 pm

Here's where I ended up. I used a 1/2 NPT tap, that I cut two threads off at a time while tapping to end up with a bottom tap. This worked very well to get enough threads to put in a 1/2 NPT to -10AN adapter. Just need to secure the hoses, and add a clamp to the inlet hose.


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Re: Power steering pump modifications

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