Power Steering lines, double flair the O ring end?
02-08-2011, 07:58 AM
#1
Power Steering lines, double flair the O ring end? I just put in an 05 LM7 truck motor into a 72 Olds 442. I've got the power steering pumps and lines from the LM7 and 442. The OD of the hi pressure metal ends of both hoses is within a few thousanths.
Is there any reason I cant cut off the tip of the LM7 hose O ring flair, put on a SAE inverted flair nut, and double flair the end? That hose end would screw directly into the 442 PS pump. Seems simpler and easier than adapters or making AN hoses.
Is there any reason I cant cut off the tip of the LM7 hose O ring flair, put on a SAE inverted flair nut, and double flair the end? That hose end would screw directly into the 442 PS pump. Seems simpler and easier than adapters or making AN hoses.
02-08-2011, 08:32 AM
#2
Staging Lane
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Pieces of flare I did exactly that on my Chevelle. I cut the steering box side of the Truck pressure hose and flared it. Screws right in to the box. No leaks. Now I'm not to happy with the way it routes. I'll probably look for a 79 Chevelle V6 hose. It seems to have the O-ring fittings and hopefully will have the correct bends to route the way the factory A-Body hose does.
02-08-2011, 09:42 AM
#4
I did this too, it works great. I have Corvette accessories on an LQ4 and the corvette host is kinda odd on the pump side. Plus it's o-ring style on both ends. I used the end that screwed into the pump, and cut the 3/8" tube on the other side and double flared it. I had to use a union to add an extra 6" or so of 3/8" tubing to get it to the steering box, which I flared on both sides.
I came up with that because I thought of getting a factory Chevelle hose and factory Corvette hose and getting a hydraulic hose shop to splice them, but IDK if anyone would do that (for liability reasons), and flaring 3/8" steel tubing is easy. I worried about that hose for a while, but the solution is so easy. If something happens to the Corvette hose, I can get another for $15 and in about 10 minutes with a flaring tool I can replace it.
I came up with that because I thought of getting a factory Chevelle hose and factory Corvette hose and getting a hydraulic hose shop to splice them, but IDK if anyone would do that (for liability reasons), and flaring 3/8" steel tubing is easy. I worried about that hose for a while, but the solution is so easy. If something happens to the Corvette hose, I can get another for $15 and in about 10 minutes with a flaring tool I can replace it.
02-08-2011, 10:53 AM
#5
I guess I'm lucky because I have a shop that makes custom AC and PS hoses in my area. They took my factory Ford PS hose and my Chevy hose, cut them where I needed and welded a fitting to the Chevy end so it could be crimped on my Ford hose. I can't remember the cost but I think it was under $30 and it's been daily driven and leak free. 
02-08-2011, 11:11 AM
#6
How about if you use the 72 olds 442 hose. You can switch the fittings that are in the back of the power steering pumps that way you can screw the double flared hose right into the back of the LM7 pump.
When you are doing that also switch the spring and valve between the pumps so that your using the factory 442 ones, as the spring pressure and valve flow are tuned to the steering box.
When you are doing that also switch the spring and valve between the pumps so that your using the factory 442 ones, as the spring pressure and valve flow are tuned to the steering box.
02-08-2011, 11:21 AM
#7
The truck pump has the fitting with the pressure sensor on the back. I'm not using it, but I'm not entirely sure what I can take apart. Is the spring/valve directly on the back of the pump?
How about if you use the 72 olds 442 hose. You can switch the fittings that are in the back of the power steering pumps that way you can screw the double flared hose right into the back of the LM7 pump.
When you are doing that also switch the spring and valve between the pumps so that your using the factory 442 ones, as the spring pressure and valve flow are tuned to the steering box.
When you are doing that also switch the spring and valve between the pumps so that your using the factory 442 ones, as the spring pressure and valve flow are tuned to the steering box.
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02-08-2011, 11:47 AM
#8
Staging Lane
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I guess I'm lucky because I have a shop that makes custom AC and PS hoses in my area. They took my factory Ford PS hose and my Chevy hose, cut them where I needed and welded a fitting to the Chevy end so it could be crimped on my Ford hose. I can't remember the cost but I think it was under $30 and it's been daily driven and leak free.
02-09-2011, 12:25 AM
#10
