85 Shock mounting questions - The 1947 - Present Chevrolet & GMC Truck Message Board Network

softballnrd27 · 06-11-2011, 12:45 PM

On our trucks the shocks are mounted 1 in front and 1 behind the rear end. Is there any drawback to mounting them both behind the rear end?

KQQL IT · 06-11-2011, 03:31 PM

Mine are both forward...

softballnrd27 · 06-11-2011, 03:41 PM

Maybe I am thinking of my 4wd I used to have.

bluex · 06-11-2011, 04:09 PM

My driver side is on the back side of the axle and the passenger side is on the front...

Edit, my '78, the '87 4wd K5 and the '77 2wd K5 frame are all this way.

INSIDIOUS '86 · 06-12-2011, 02:06 AM

gm did that to counter act wheel hop

Keith Seymore · 06-12-2011, 10:48 AM

Quote:

Originally Posted by INSIDIOUS '86

gm did that to counter act wheel hop

This is correct. To counter act both wheel hop and wheel tramp:

Hop - both wheels going up and down at the same time

and

Wheel Tramp - rear wheels going up and down alternately.

K

softballnrd27 · 06-12-2011, 02:50 PM

With caltracs and a flip kit, will mounting both shocks in front of or behind the rear pose any major problems?

INSIDIOUS '86 · 06-12-2011, 06:25 PM

well the caltracs keep the spring from forming that S shape that will cause your wheels to unload and cause wheel hop. so I imagine with the caltrac switching the shocks will yield a more consistant launch that is both most likely straighter and level.
just make sure you have your pinion angle set corectly and you should be rather happy with the setup.

try asking some of the guys in the suspension forum they would prob be more qualified to give you the info you seek.

06-11-2011, 12:45 PM	#1
softballnrd27 Always a work in progress Join Date: Jun 2007 Location: Harker Heights, TX Posts: 1,599	85 Shock mounting questions On our trucks the shocks are mounted 1 in front and 1 behind the rear end. Is there any drawback to mounting them both behind the rear end? __________________ USMC Retired Never trust a man who can't laugh at his own fart! 2010 Silverado Crew Cab 73 SWB 5.3/4l80e Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=695168

06-11-2011, 03:31 PM	#2
KQQL IT At the body shop. Join Date: Aug 2009 Location: Land of fruits and nuts. Posts: 5,231	Re: 85 Shock mounting questions Mine are both forward... __________________ " That didnt make it any newer " " Dont antique the equipment "

06-11-2011, 03:41 PM	#3
softballnrd27 Always a work in progress Join Date: Jun 2007 Location: Harker Heights, TX Posts: 1,599	Re: 85 Shock mounting questions Maybe I am thinking of my 4wd I used to have. __________________ USMC Retired Never trust a man who can't laugh at his own fart! 2010 Silverado Crew Cab 73 SWB 5.3/4l80e Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=695168

06-11-2011, 04:09 PM	#4
bluex Registered User Join Date: Jun 2004 Location: Spartanburg, SC Posts: 1,963	Re: 85 Shock mounting questions My driver side is on the back side of the axle and the passenger side is on the front... Edit, my '78, the '87 4wd K5 and the '77 2wd K5 frame are all this way. __________________ Paul '78 GMC Serria 15 Heavy Half. 361/NV3500/3.73. Former LWB NV3500 swap Trailing arm swap '98 ECSB Z71 daily driver -traded '03 burb. Family cruiser http://upstategmtrucks.com/ Last edited by bluex; 06-11-2011 at 04:11 PM.

06-12-2011, 02:06 AM	#5
INSIDIOUS '86 Registered User Join Date: Jul 2009 Location: washington Posts: 4,178	Re: 85 Shock mounting questions gm did that to counter act wheel hop __________________ 377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511

06-12-2011, 02:50 PM	#7
softballnrd27 Always a work in progress Join Date: Jun 2007 Location: Harker Heights, TX Posts: 1,599	Re: 85 Shock mounting questions With caltracs and a flip kit, will mounting both shocks in front of or behind the rear pose any major problems? __________________ USMC Retired Never trust a man who can't laugh at his own fart! 2010 Silverado Crew Cab 73 SWB 5.3/4l80e Build Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=695168

06-12-2011, 06:25 PM	#8
INSIDIOUS '86 Registered User Join Date: Jul 2009 Location: washington Posts: 4,178	Re: 85 Shock mounting questions well the caltracs keep the spring from forming that S shape that will cause your wheels to unload and cause wheel hop. so I imagine with the caltrac switching the shocks will yield a more consistant launch that is both most likely straighter and level. just make sure you have your pinion angle set corectly and you should be rather happy with the setup. try asking some of the guys in the suspension forum they would prob be more qualified to give you the info you seek. __________________ 377 sbc thumpr cam autogear m23 muncie 3:73 Detroit trutrac 3''spintech prostreet mufflers xpipe 1 3/4 headers build thread !http://67-72chevytrucks.com/vboard/s...d.php?t=577217 Iroc gauge threadhttp://67-72chevytrucks.com/vboard/s...d.php?t=554511 Last edited by INSIDIOUS '86; 06-12-2011 at 06:27 PM.



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