What would happen if....... - The 1947 - Present Chevrolet & GMC Truck Message Board Network

smackmatic · 01-09-2010, 12:08 PM

What would happen if I put a set of shocks designed for a 3" drop spring, on my front suspension even though I was running a 2" drop spring?

**N2TRUX** · 01-09-2010, 12:44 PM

It could bottom out. If this happens to often, it will destroy the seals in the shock, and could rip the shock loose.

That's worse case scenario. Did you check the part number? It's possible the same shock is called for in either applcation.

smackmatic · 01-12-2010, 07:57 PM

I actually had 3 in drop springs with matching shocks from cpp. I ran this setup with 2 1/2 in drop spindles, and found that I needed to raise the truck up a bit. I installed the 2 in springs with the shorter shocks. I get alot of bump steer, but I cant see how the shocks could cause that.

I guess I could put the 3in springs back on...

Wild83C10 · 01-12-2010, 08:58 PM

It's possible you could reach the maximum extension on the shock. However before you change back to your 3" springs you can check your suspension travel limits. If the bump stops/limiters limit the suspesion before the shock over extends or fully compress then you should be ok. Just remember the bump stops may deflect a bit more under driving conditions then when in your garage on a jack.

*CPPJEFF* · 01-13-2010, 01:01 AM

A 2 inch drop spring runs ALOT shorter shock (part# 1200gll) the 2" drop runs a (part#4809) and i am at home and not at work so i dont have my chart but the collapsed and extended measurements are quite a bit different, i dont suggest it. Fell free to call me at the shop during buisness hours for exact specs.

smackmatic · 01-13-2010, 05:07 PM

I have run this setup for a while now, and the ride is not as smooth as it used to be.

When I had the 3in springs installed the tires would rub the inner fender wells. I wonder if the new cpp spindles would help? I have aset of Mcgaughys spindles now.

*CPPJEFF* · 01-13-2010, 05:23 PM

Quote:

Originally Posted by smackmatic

I have run this setup for a while now, and the ride is not as smooth as it used to be.

When I had the 3in springs installed the tires would rub the inner fender wells. I wonder if the new cpp spindles would help? I have aset of Mcgaughys spindles now.

Yes the new spindle we made is for exact issues like the one you have. This will cure your issue for sure.

smackmatic · 01-13-2010, 05:42 PM

Can I still use six lug rotors with them?

smackmatic · 02-21-2010, 07:31 PM

I installed a set of correct length KYB shocks today. Got rid of the bump steer and rides great! Smoothest riding vehicle in my fleet now!

DKN · 02-22-2010, 09:14 PM

Quote:

Originally Posted by smackmatic

Can I still use six lug rotors with them?

Yes you can. The new spindles will run the 5 and 6 lug factory rotors, and CPP 13" rotors in any bolt pattern.

Danny Nix
CPP

01-09-2010, 12:08 PM	#1
smackmatic Registered User Join Date: Nov 2005 Location: DE Posts: 76	What would happen if....... What would happen if I put a set of shocks designed for a 3" drop spring, on my front suspension even though I was running a 2" drop spring?

01-09-2010, 12:44 PM	#2
N2TRUX Happy to be here Join Date: Mar 2000 Location: Cypress, TX Posts: 39,023	Re: What would happen if....... It could bottom out. If this happens to often, it will destroy the seals in the shock, and could rip the shock loose. That's worse case scenario. Did you check the part number? It's possible the same shock is called for in either applcation. __________________ Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra"

01-12-2010, 07:57 PM	#3
smackmatic Registered User Join Date: Nov 2005 Location: DE Posts: 76	Re: What would happen if....... I actually had 3 in drop springs with matching shocks from cpp. I ran this setup with 2 1/2 in drop spindles, and found that I needed to raise the truck up a bit. I installed the 2 in springs with the shorter shocks. I get alot of bump steer, but I cant see how the shocks could cause that. I guess I could put the 3in springs back on...

01-13-2010, 01:01 AM	#5
CPPJEFF Account Suspended Join Date: Jan 2010 Location: Anaheim California Posts: 713	Re: What would happen if....... A 2 inch drop spring runs ALOT shorter shock (part# 1200gll) the 2" drop runs a (part#4809) and i am at home and not at work so i dont have my chart but the collapsed and extended measurements are quite a bit different, i dont suggest it. Fell free to call me at the shop during buisness hours for exact specs.

01-13-2010, 05:07 PM	#6
smackmatic Registered User Join Date: Nov 2005 Location: DE Posts: 76	Re: What would happen if....... I have run this setup for a while now, and the ride is not as smooth as it used to be. When I had the 3in springs installed the tires would rub the inner fender wells. I wonder if the new cpp spindles would help? I have aset of Mcgaughys spindles now.

01-12-2010, 08:58 PM	#4
Wild83C10 Registered User Join Date: May 2002 Location: NJ Posts: 910	Re: What would happen if....... It's possible you could reach the maximum extension on the shock. However before you change back to your 3" springs you can check your suspension travel limits. If the bump stops/limiters limit the suspesion before the shock over extends or fully compress then you should be ok. Just remember the bump stops may deflect a bit more under driving conditions then when in your garage on a jack. __________________ 83 C10 Stepside (SOLD, it was a blast!) 383 MASS-FLO EFI/TKO II 600/3.90 Posi 10 bolt S475 and C4 DM running, fine tuning turbo= Douchebag Racing: Runs Fine all the Time

01-13-2010, 05:42 PM	#8
smackmatic Registered User Join Date: Nov 2005 Location: DE Posts: 76	Re: What would happen if....... Can I still use six lug rotors with them?

02-21-2010, 07:31 PM	#9
smackmatic Registered User Join Date: Nov 2005 Location: DE Posts: 76	Re: What would happen if....... I installed a set of correct length KYB shocks today. Got rid of the bump steer and rides great! Smoothest riding vehicle in my fleet now!



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