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#101 | |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,983
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Re: Dropmember C4
Quote:
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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#102 | |
Senior Member
Join Date: Dec 2003
Location: Mesa,Az
Posts: 3,981
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Re: Dropmember C4
Quote:
Here's the skinny on the two current versions available: Although the regular Dropmember's geometry is an improvement from stock, I would not refer to it as a "performance suspension"... just an improvement over stock. The regular Dropmember is more of a daily driver type system, where camber gains are not as significant as would be a "performance" design. Due to the travel available, via the airspring, I wanted the wheels to not have hard negative camber on full compression. To accomplish this, the camber curve couldn't be too aggressive. Now the DropmemberC4 on the other hand, was designed as a performance suspension system. It has a greater camber gain, a lower roll center, and a different castor trail. It's ride height is about an inch higher than the regular Dropmember (at 6.5-7"), and it will not allow the truck to lay frame when fully deflated. The Dropmember C4 is a little more expensive than the regular Dropmember, but if you find a good deal on the C4 parts (uses 88-96 C4 components),it could make all the difference. Keep an eye on craigslist... people are unloading a lot of stuff CHEAP just to put gas in their car and food on the table. I scored a 96 front suspension a couple weeks back with 13" rotors for $400, complete.
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www.PorterbuiltFabrication.com Phone: 480-297-2621 E-mail: sales@pbfab.com Find us on FaceBook under Porterbuilt Fabrication Specializing in Chassis and Suspension Components for your Classic Chevrolet Truck. We offer components from the following manufacturers: Porterbuilt Accuair Ridetech (Air Ride Technologies) Air Lift Wilwood Intro Unisteer ECE Gotta Show Air Lift Borgeson CPP Supporting this forum since 2003! Last edited by PBFAB.COM; 10-01-2008 at 11:51 PM. |
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#103 |
I'm just glad to be here!
Join Date: Jan 2008
Location: Longview, TX
Posts: 4,788
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Re: Dropmember C4
Nate
I am in the planning stages of a new project truck. It will be either a '65 Short Step or a '85 Short Fleet that I have/can get cheap. My question is about the front suspension. I have looked/read everything that I can on your DM's. My plan is to have a street/strip truck that could be driven to work when the weather is nice and take the kids to school if we choose. For a drag race type of truck, which of your DM's would you recommend for both handling and weight for the Drags, but also some street duty? Thanks, Karl
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Karl ![]() 1965 Chevy Stepside(Grandpa's Old Blue) and (July 2015 Shop Build!)(2020, the Saga Continues) http://67-72chevytrucks.com/vboard/s...d.php?t=372424 The LST Challenge: http://67-72chevytrucks.com/vboard/s...=1#post7812257 Korbin's 1st Square: "Sunburn" http://67-72chevytrucks.com/vboard/s...d.php?t=418618 1985 GMC Sierra: "White Trash", Korbin's 2nd now... http://67-72chevytrucks.com/vboard/s...d.php?t=632305 Henry - 1984 Chevrolet, Owen's 1st Square Last edited by aggie91; 10-02-2008 at 09:42 AM. |
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#104 |
Junior Member
Join Date: Feb 2005
Location: Huntingburg IN
Posts: 620
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Re: Dropmember C4
for reference... if someone doesnt know the year break of the C-4 stuff you are looking for, they might refer to it as long or short. The 88+ stuff is the longer stuff.
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#105 |
Registered User
Join Date: May 2002
Location: NJ
Posts: 910
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Re: Dropmember C4
Thanks for the info. The lower cost of the C4 components would definitely make this more appealing.
What is the projected completion date for the C5 DM?
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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 |
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#106 |
Registered User
Join Date: May 2002
Location: NJ
Posts: 910
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Re: Dropmember C4
Ok well I just started the process of gathering all the parts for the C4 Dropmember. I just ordered the C4 front suspension parts from Dino's Corvette Salvage. They first quoted me a price of $350 per side, but I got him down to $600 total. I had one person quote me $1500 (private seller) and another corvette salvage place quote me $750. I couldn't find anything on ebay or craigslist. This was for the 88-93 C4. Now I just need to save some money for the rest of the parts and the DM.
Nate, You listed a bunch of info on additional parts in the $999 DM thread, is all that info applicable to the C4 DM? Thanks
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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 Last edited by Wild83C10; 10-06-2008 at 03:46 PM. Reason: Hit enter too soon. |
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#107 |
Registered User
Join Date: Jan 2008
Location: Chowchilla, Ca
Posts: 115
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Re: Dropmember C4
So if one were to have a 87 vette sitting in the back yard then this would be a good piece? I have already stripped the drivetrain and most of the wiring and dash and was trying to figure out how to get the suspension under there too! Was a price for the backhalf ever discussed i read through the thread and didnt see it. Thanks!
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#108 | |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,983
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Re: Dropmember C4
Quote:
__________________
67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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#109 | |
Registered User
Join Date: Apr 2006
Location: Arkansas
Posts: 835
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Re: Dropmember C4
Quote:
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Jim '71 Blazer-Porterbuilt Dropmember C4/LS1/6L80E '57 VW beetle - Oct. 2006 Hot VW's pg. 87 - 350hp intercooled, turbocharged, EFI 2.3liter and 5spd in the works '87 BMW 325i - daily driver |
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#110 |
Registered User
Join Date: May 2002
Location: NJ
Posts: 910
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Re: Dropmember C4
If anyone is thinking about the C4 Dropmember there is an 88+ C4 front suspension setup for sale in the 67-72 parts classified section. They were asking $450. Pretty good price. I had to haggle with Dino's vette salvage to pay $600. One other place wanted $750.
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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 |
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#111 | |
Senior Member
Join Date: Dec 2003
Location: Mesa,Az
Posts: 3,981
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Re: Dropmember C4
Quote:
On the back-half... the price varies depending on how we set things up. They start at $2K. Each one is custom built for your application and we incorporate details in the bracketry and gussets that make it unique.
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www.PorterbuiltFabrication.com Phone: 480-297-2621 E-mail: sales@pbfab.com Find us on FaceBook under Porterbuilt Fabrication Specializing in Chassis and Suspension Components for your Classic Chevrolet Truck. We offer components from the following manufacturers: Porterbuilt Accuair Ridetech (Air Ride Technologies) Air Lift Wilwood Intro Unisteer ECE Gotta Show Air Lift Borgeson CPP Supporting this forum since 2003! |
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#112 |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,983
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Re: Dropmember C4
Hey skinny boy . . .... I'm actually going to install my C4 DM within the next month. I remember my 'one-off' set-up required custom specs on the R&P. Anything special I need to know in particular so I can get the ball rolling & have it by the time it's needed? I'll measure for accuracy but what's the max back-spacing you think we can get away with using this set-up?
PM, call . . ..... reply here..... whatever works best for you. Any ETA of when will my next pkg will arrive?
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. Last edited by SCOTI; 10-24-2008 at 12:38 AM. |
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#113 |
Senior Member
Join Date: Jul 2005
Location: Winters Ca. 95694
Posts: 4,843
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Re: Dropmember C4
I had already ordered a Regular DM for my 70 2 wd Blazer then decided to go with the C4 because once I got Strong arms, disk brakes, drop spindles all to change out the drum brake 6 lug set up it would be cheaper to go C4. Even if in the end the price ends up the same for the two set up who can argue the C4 is not a better set up. Also keep in mind Nate did not just transfer the geometry info from the Vett over to these trucks and sell it as is. He took the time and knowledge he has learned over the years and improved the spec's to work much better in these trucks. I know people are saying how can he build better then GM with all their money they put into things. Well he doesn't, he takes into consideration the roll center, weight, motor placement and tons of other stuff I don't understand to make it work great for us.
Sorry Man crush over ![]() Kevin LFD Inc. |
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#114 | |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,983
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Re: Dropmember C4
Quote:
The main downside is the cost of the ShockWaves (and custom R&P if you're one of those kind of customers ![]()
__________________
67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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#115 |
A guy with a truck
Join Date: Sep 2005
Location: Germany, for now
Posts: 5,920
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Re: Dropmember C4
Why is it every time someone starts thinking it costs me money?...
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-Chris Instagram _elgringoloco_ '70 Short-Wide How to: Ruin a perfectly good C10 ‘70 Blazer ConversionHow To: Ruin a Perfectly Good 4wd '72 Highlander How To: Ruin a Perfectly Good K/5 (SOLD) '72 Blazer 2WD How to: Ruin a perfectly good Blazer (SOLD) '05 Yukon Daily Driven (not so stock) Yukon (SOLD) ‘07 Yukon Denali (daily) Members met list: SCOTI, darkhorse970, 67cheby, 67cheby'sGirl, klmore, porterbuilt, n2billet, Fastrucken, classicchev, Col Clank, GSFMECH, HuggerCST, Spray-Bomb, BACKYARD88, 5150, fine69, fatbass, smbrouss70, 65StreetCruiser, GAc10boy |
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#116 | |
Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 21,983
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Re: Dropmember C4
Quote:
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__________________
67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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#117 | |
Registered User
Join Date: Apr 2006
Location: Arkansas
Posts: 835
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Re: Dropmember C4
Quote:
You can hop on over to Little Rock and help me put mine on that way you'll know for sure if you like it first. ![]()
__________________
Jim '71 Blazer-Porterbuilt Dropmember C4/LS1/6L80E '57 VW beetle - Oct. 2006 Hot VW's pg. 87 - 350hp intercooled, turbocharged, EFI 2.3liter and 5spd in the works '87 BMW 325i - daily driver |
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#118 |
Registered User
Join Date: May 2002
Location: NJ
Posts: 910
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Re: Dropmember C4
So what sway bar will the the C4 DP require?
Also how much does the engine shift with this DP? Does it depend on how much of a drop you want? Thanks
__________________
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 |
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#120 |
A guy with a truck
Join Date: Sep 2005
Location: Germany, for now
Posts: 5,920
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Re: Dropmember C4
There is a thread by Nate titled Back-half Corvette C4 or something similar, and a white 65-66 truck with C4 members front and rear with powdered centerline smoothies- I forget his username- both in the suspension forum.
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-Chris Instagram _elgringoloco_ '70 Short-Wide How to: Ruin a perfectly good C10 ‘70 Blazer ConversionHow To: Ruin a Perfectly Good 4wd '72 Highlander How To: Ruin a Perfectly Good K/5 (SOLD) '72 Blazer 2WD How to: Ruin a perfectly good Blazer (SOLD) '05 Yukon Daily Driven (not so stock) Yukon (SOLD) ‘07 Yukon Denali (daily) Members met list: SCOTI, darkhorse970, 67cheby, 67cheby'sGirl, klmore, porterbuilt, n2billet, Fastrucken, classicchev, Col Clank, GSFMECH, HuggerCST, Spray-Bomb, BACKYARD88, 5150, fine69, fatbass, smbrouss70, 65StreetCruiser, GAc10boy |
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