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#1 |
Registered User
Join Date: Jan 2014
Location: Wacousta, Mich
Posts: 90
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2" block with 4" drop spring in the rear??
Any issues running a 2 inch block with a 4 inch drop spring? I am planning to move shocks as well? Thanks for the help
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#2 |
Special Order
![]() ![]() Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,859
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Re: 2" block with 4" drop spring in the rear??
None that wouldn't exist from only running the blocks. That lowers your scrub point by the block size, but only the trailing arms. My friend/neighbor built this truck with 4" drop f & r and decided to level it out with 2" blocks
EDIT: Now that I think about it, this would be before the block when the bed was first installed. He also put Vette rallyes on with other tires, but no pictures. But it worked out fine for him. Only picture I have
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ Last edited by special-K; 04-16-2018 at 09:09 AM. |
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#3 |
Registered User
Join Date: Jul 2009
Location: Space Coast, Fl.
Posts: 1,050
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Re: 2" block with 4" drop spring in the rear??
I have 4" springs and a 1" block.... relocated short shocks & adj. panhard bar. Rides/drives pretty good. Picture is with worn 255/60's, replaced w/ 275/60's recently.
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Dad always said, "Son, WISH IN ONE HAND, and ......." -------------------------------------- -------------------------------------- Current toy trucks: '71 GMC 1500 SUPER CUSTOM short/step, orig. dk. blue, 350/700r, ps,pb, A/C '72 Blazer 2wd, ochre & white, 454, tremecTKO 500 5spd. ps, pb, A/C, tilt Last 10yrs of hobby vehicles, had a FEW more in the 50yrs. before these: '66 Plymouth Belvedere City of Miami cop car clone. '70 Nova 406"sb, 13.5-1, solid roller, Brodix, p.glide/t.brake, back halved, 9" Ford, spool 4.88, cage,ladder bar/coilover, 10.5 tire....... SOLD!! '67 C10 short/step side mount spare -- SOLD!! '72 Jimmy 2wd, 350/350, ps, pb, fun driver, lots of bondo & a shiny red paint job..... SOLD!! '69 Nova 350, 4spd, A/C, ps, p.b, ...SOLD!! Last edited by RustyBucket; 04-16-2018 at 09:43 AM. Reason: typoo |
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#4 |
Registered User
![]() Join Date: Jan 2011
Location: Chattanooga TN
Posts: 6,208
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Re: 2" block with 4" drop spring in the rear??
This is going to sound stupid -- but bear with me.
Lets say a 200lb man jumps on a 12ft diving board. Boing, splash, he's in the water. Can you imagine how much the 12ft board would flex ? ( Just in your mind ) Now, cut 2ft off the board. Same dude.. boing, splash .. Did the diving board flex more or less at 12ft, vs 10ft ? Coils work the same way. All it is is a straight piece of wire that has been coiled up to create torsional rigidity. So, for a better ride quality you need a softer spring, less rigid and longer travel, right? A shorter stiffer spring will impact your ride quality. So, if I could make a suggestion, I'd do a 4" spring drop and 2" block yes, and you would have any problems with it. Just saying, dont do 6" drop springs (all springs) the 4 / 2 will ride a little better. Make real sure you adjust the pinion angle too or you'll be having driveline vibrations. 3 maybe 4 degree shims on top of your drop blocks, or CPP sells the drop blocks with the pinion adjustment already in them. you want to roll the nose of the pinion back up toward the bed floor. If you shim it, put the larger end toward the cab, smaller end toward the rear bumper.
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Chad 1967 C10 SWB - Project Savannah - 6.0/4L80 *Currently underway* 1968 C10 SWB - TOTY 2018, 50th Anniversary Tribute Project * Sold * Pride and Joy 1986 Silverado Short Fleet - Scarlet *Sold* 1985 Silverado Short Fleet *Sold* 2022 Jeep Gladiator Mojave 2001 Jeep Cherokee XJ 4x4 - Lifted, Built 1992 Jeep Cherokee XJ 4x4 - Lifted 2013 Honda Accord EX-L v6 Coupe 6spd (wife's ride) |
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#5 |
Registered User
Join Date: Sep 2017
Location: Sulphur, Louisiana
Posts: 42
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Re: 2" block with 4" drop spring in the rear??
I got 2" blocks with 5" Drop CPP springs. I did C-Notch the frame to increase clearance because I only had about 1" between rearend tube and frame. Truck rides great still.
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1968 C10, 5.3 with 4L60, 2600 Circle D converter, all CPP suspension with big brakes, 4.5-7 drop, 20" Billet Specialties Vintec wheels all around, AC with Jam and ready to CRUISE! |
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#6 | |
Senior Member
![]() Join Date: Jun 2002
Location: Murray, Kentucky
Posts: 3,483
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Re: 2" block with 4" drop spring in the rear??
Quote:
Rg
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Roger '68 Short step - https://67-72chevytrucks.com/vboard/...d.php?t=849675 '69 ('70?) 2wd Blazer '70 GMC Jimmy 2wd '73 Firebird - https://67-72chevytrucks.com/vboard/...d.php?t=853203 |
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#7 |
Registered User
Join Date: Sep 2017
Location: Sulphur, Louisiana
Posts: 42
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Re: 2" block with 4" drop spring in the rear??
Thanks, I have 2-1/2" dropped spindles and 2" CPP lowering springs up front.
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1968 C10, 5.3 with 4L60, 2600 Circle D converter, all CPP suspension with big brakes, 4.5-7 drop, 20" Billet Specialties Vintec wheels all around, AC with Jam and ready to CRUISE! |
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