machine68

I'm assuming that when I finally get my LS1 into my 68 chevy pickup, the power steering pump will work alright with my stock power steering gear. Does anyone have experience with this. I mainly just want to know if I have to change the pulley size to change the pressure output. If the pressure is too high, I don't want it to blow out the seals on my box.

Comments?

Thanks

John B

iTrader: (10)

The newer boxes use metric threads, your '68 most likely has SAE threads.

68LSS1

The LS1 pump will have too much pressure, even with a pulley change. I got a kit, from S&P I think,to install in the pump to reduce pressure and also they have adapters for the metric to SAE threads. About $30.00 for both if I remember right.

machine68

I'll have to try that out. I'm not too concerned about the thread difference since I will have a new hose made. I will have to get that pressure change part. What exactly was it and how did it install? Was it time consuming?

68LSS1

Part # 1001 and it comes with instructions. Not sure how hard to install as I'm not that far along in my swap yet. I'm pretty sure it was around $10.00 though.

pmg

Does anyone know what the pressure/flow specs are on the pump? I was figuring on using it on my system, so I need to figure out if it's close to working. I've got to feed both a steering rack and hydraulic assist power brakes <img border="0" title="" alt="[Eek!]" src="gr_eek2.gif" />

Perry

67LS1T56

Do you guys think LS1 power steering pump would be compatible with 3. gen iroc box?

68LSS1

I'd be careful about using the LS1 pump (or any pump meant for r & p) with any steering box for the simple fact that rack and pinion systems use a lot higher pressure than "box" equipped vehicles do. It would work, but I think you'd end up blowing the seals on the gear box, like Machine68 was asking about.

John B

iTrader: (10)

</font><blockquote><font size="1" face="Verdana, Helvetica, sans-serif">quote:</font><hr /><font size="2" face="Verdana, Helvetica, sans-serif">Do you guys think LS1 power steering pump would be compatible with 3. gen iroc box? </font><hr /></blockquote><font size="2" face="Verdana, Helvetica, sans-serif">I'm using an IROC box in my car and it's been fine for over 1-1/2 years with zero issues driving it everyday!

LS171Malibu

Same here, as far as I know the chevelle's box is original, and I'm using a vette pump...works great.

68ragtopLS1

I talked to Mark at S&P and asked him about this part to reduce the pressure so I could use an older box and he said the pump would work no problem with an older box. I don't need to add anything. I wonder why we are getting different answers from the same company. I guess I'll hook it up and see what happens. John