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Old 03-04-2017, 06:12 PM   #1
JIMMY JO BOB
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Question Pps steering rack in non pps 87 supra nt ?

I screwed up & bought the wrong Rack - That's what I get for buying it after Midnite - Of course PPS Solenoid Pressure Valve gives u "parking mode PS boost" for ease of steering when idling per the ECU via Solenoid Pressure Valve on this newer year Rack - SO>>> I'll never NEVER see parking mode PS boost which would be fine of course ... BUT it also boosts "progressively" thru speeds so unsure how that's gonna turn out...

I have this helpful jewel thanx to yall:

http://www.cygnusx1.net/Supra/Librar...aspx?S=SR&P=90
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Old 03-05-2017, 03:10 AM   #2
JIMMY JO BOB
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Question

Well it fits - The Hi Pressure Line w/ Banjo will line up - The reason the PPS Rack (& maybe all the later year MKIII Racks) are an inch or so longer on Passenger side is that there's no Steering Damper hookup on this newer MKIII Rack - I need the Solenoid Pressure Valve that's part of & plugs into Toyota Pressure Valve PN (44020-50090) - Not having a lotta luck finding one online so if u know source let me know...

- I did find this though:

- "but what I've learned is even with it disconnected, there will still be power assistance"

- "Unplugged, the PPS operates at full assist at all times IIRC. Raptorracing has the same thing on his 89, which is also unplugged. Basically, the car will feel like an 87-88 does, which is a little overassisted at all times, but really not all that bad."
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