The 1947 - Present Chevrolet & GMC Truck Message Board Network







Register or Log In To remove these advertisements.

Go Back   The 1947 - Present Chevrolet & GMC Truck Message Board Network > 47 - Current classic GM Trucks > The 1973 - 1987 Chevrolet & GMC Squarebody Pickups Message Board

Web 67-72chevytrucks.com


Reply
 
Thread Tools Display Modes
Old 01-31-2019, 05:56 PM   #26
GMC Guy
Registered User
 
GMC Guy's Avatar
 
Join Date: May 2009
Location: Sparks, NV
Posts: 911
Re: steering too light-74 Blazer

Just took the truck for a test drive with the new valve and it performs perfectly! exactly the correct amount of assist i was hoping for. Order yourself one ASAP.
Last thing will be the steering box to tighten up the ratio, but that can wait awhile now
__________________
Greg
1974 GMC
1/2 Ton SWB Fleetside
L33 5.3/4l65e

.................__
............._____l __\__
..............l_(O)_ l___(O)]
GMC Guy is offline   Reply With Quote
Old 01-31-2019, 09:28 PM   #27
frenchy51
Senior Member
 
frenchy51's Avatar
 
Join Date: Jun 2014
Location: Orland, Nor-Cal
Posts: 577
Re: steering too light-74 Blazer

Just placed my order-Thanks for all your help!
__________________
1972 Highlander PAC B 400BB
1974 K5 Blazer-6.0 swap
1974 C20 Long Bed 454
several adopted orphans
frenchy51 is offline   Reply With Quote
Old 02-08-2019, 12:32 PM   #28
stanski
Registered User
 
Join Date: Jan 2018
Location: MEDICINE HAT
Posts: 77
Re: steering too light-74 Blazer

Quote:
Originally Posted by GMC Guy View Post
https://www.speedwaymotors.com/Musta...-GPM,5852.html
this is the one i ordered, looked like the only option for use with original style flared hose ends. All the others have a 6an fitting
Here's the adapter
https://www.speedwaymotors.com/O-Rin...ter,24682.html
Greg and Frenchy, I was away for a while. These 2 parts from Speedway are the ones you need. These work on all of the can of ham type PS pumps.

Don't forget to post back your results.
stanski is offline   Reply With Quote
Old 02-08-2019, 09:07 PM   #29
stanski
Registered User
 
Join Date: Jan 2018
Location: MEDICINE HAT
Posts: 77
Re: steering too light-74 Blazer

Just one more thing to add to this discussion. You can take this to another level which I have not tried, that is dialing in the exact steering feel you desire. Turn One Steering also sells a flow reducer rated at 1.8 gpm or will custom machine one at any rate you order. If you look at the valve, the flow rate is determined by the size of the hole in the valve bore, bigger the hole, higher the flow. I think 1.8 gpm might be too low and could cause loss of assist or jerky assist at low rpms, but if you took that 1.8 gpm valve and drilled out the hole slightly larger in small increments you may arrive at a flow rate with a great feel which is less than the 2.4 gpm Speedway valve? Just a thought, something someone may wish to experiment with.
stanski is offline   Reply With Quote
Old 02-09-2019, 01:58 AM   #30
LT7A
Registered User
 
Join Date: Oct 2015
Location: Seattle, WA
Posts: 880
Re: steering too light-74 Blazer

Johnny say "under-drive". Why wouldn't you find a bigger pulley or a marketed underdrive pulley and lose some parasitical drag at the same time? Seems like 25% underdriven would be in the neighborhood.
LT7A is offline   Reply With Quote
Old 02-09-2019, 09:37 AM   #31
jkk
Registered User
 
jkk's Avatar
 
Join Date: Aug 2017
Location: Texas
Posts: 359
Re: steering too light-74 Blazer

Dumb question which end of the hose do the speedway parts go in pump side or steering box side?

Thanks
jkk is offline   Reply With Quote
Old 02-09-2019, 10:01 AM   #32
stanski
Registered User
 
Join Date: Jan 2018
Location: MEDICINE HAT
Posts: 77
Re: steering too light-74 Blazer

Back of the pump
stanski is offline   Reply With Quote
Old 02-09-2019, 04:01 PM   #33
GMC Guy
Registered User
 
GMC Guy's Avatar
 
Join Date: May 2009
Location: Sparks, NV
Posts: 911
Re: steering too light-74 Blazer

Quote:
Originally Posted by stanski View Post
Just one more thing to add to this discussion. You can take this to another level which I have not tried, that is dialing in the exact steering feel you desire. Turn One Steering also sells a flow reducer rated at 1.8 gpm or will custom machine one at any rate you order. If you look at the valve, the flow rate is determined by the size of the hole in the valve bore, bigger the hole, higher the flow. I think 1.8 gpm might be too low and could cause loss of assist or jerky assist at low rpms, but if you took that 1.8 gpm valve and drilled out the hole slightly larger in small increments you may arrive at a flow rate with a great feel which is less than the 2.4 gpm Speedway valve? Just a thought, something someone may wish to experiment with.
The one I used from Speedway is rated at 2gpm and I'd say it's about perfect, even with a 40 year old steering box.
__________________
Greg
1974 GMC
1/2 Ton SWB Fleetside
L33 5.3/4l65e

.................__
............._____l __\__
..............l_(O)_ l___(O)]
GMC Guy is offline   Reply With Quote
Reply

Bookmarks

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT -4. The time now is 04:09 PM.


Powered by vBulletin® Version 3.8.11
Copyright ©2000 - 2019, vBulletin Solutions Inc.
Copyright 1997-2013 67-72chevytrucks.com