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07-12-2010, 08:57 PM
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#1 |
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Registered User
Join Date: Apr 2007
Location: Elk Grove, CA
Posts: 375
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Should I be disappointed?
I have had my suspension together for a while now on my '64 but just put wheels on it today to see how it sits and to roll it around. I have the CPP modular drop spindles 2.5" with 3" CPP drop springs, and my front crossmember sits about 8" off the ground! Granted the tires I have are about 28" tall and are just for rollers, but I was hoping for more around 4" at the crossmember. Will these springs sag enough to get me where I want to be? Also I'll be running 20x9s up front with a 275/30 tire, what overall diameter will a tire like that be? I don't really want to cut half a coil, but If I have to.. any advice?
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1964 C10 Shortened Shortbed Cammed LQ9 P&P 1967 C10 Trophy Truck BB 438 (soon to be worked on again) |
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07-12-2010, 10:09 PM
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#2 |
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Registered User
Join Date: Apr 2007
Location: Elk Grove, CA
Posts: 375
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Re: Should I be disappointed?
Wow they just settled 1.5" since I just posted this. Been tinkering in the garage and measured it again. 6.5" woo hoo! haha give me more!
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1964 C10 Shortened Shortbed Cammed LQ9 P&P 1967 C10 Trophy Truck BB 438 (soon to be worked on again) |
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07-12-2010, 10:13 PM
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#3 |
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Happy to be here
 
Join Date: Mar 2000
Location: Cypress, TX
Posts: 39,023
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Re: Should I be disappointed?
I would run it a bit before I considered cutting coils. I like this calculator for checking variuous tire sizes- LINK
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Follow me on Facebook and Instagram @N2trux.com Articles- "Jake" the 84 to 74 crewcab "Elwood" the77_Remix 85 GMC Sierra "Scarlett" "Refining Sierra" |
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07-12-2010, 10:37 PM
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#4 |
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Registered User
Join Date: Apr 2007
Location: Elk Grove, CA
Posts: 375
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Re: Should I be disappointed?
Ya better safe than sorry I guess right? Oh thanks for that link that's pretty handy. It says I'll lose another .75" of height just by the tire change. Hopefully it settles a little more too
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1964 C10 Shortened Shortbed Cammed LQ9 P&P 1967 C10 Trophy Truck BB 438 (soon to be worked on again) |
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07-12-2010, 11:09 PM
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#5 |
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Garage wrench
Join Date: Feb 2008
Location: LaCrosse, WI
Posts: 1,855
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Re: Should I be disappointed?
I think you'll be fine. It take a little while for new springs to settle it.
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-Adam 90 V1500 GMC Suburban 350/700R4/NP241..... 01 Saturn SL1 stock DD..... |
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07-13-2010, 12:01 AM
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#6 |
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Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,949
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Re: Should I be disappointed?
Have you 'cycled' the suspension several times? I like to give it several good bounces w/as much weight as possible to help get things set in place.
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07-13-2010, 04:41 PM
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#7 |
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Registered User
Join Date: Apr 2007
Location: Elk Grove, CA
Posts: 375
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Re: Should I be disappointed?
I jumped on it a bit just by myself (165 lbs lol) and it did help. I think I was getting close to 5.5" last night, but I think one of the tires is losing air
 I'll go see what it is here in a little while.
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1964 C10 Shortened Shortbed Cammed LQ9 P&P 1967 C10 Trophy Truck BB 438 (soon to be worked on again) |
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