Lower A-arm ??? - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Spray-Bomb · 07-25-2007, 12:22 AM

Ok, I am going to reverse cup my lower A-arms like this

But I would like to do it with pipe instead

My question is, If I have a 7" bag how big of pipe do I need / how much clearance around the bag

Edit: I started this thread to get some questions answered, it has so much good info I decided to take the info in it & build a set for myself

Frizzle Fry · 07-25-2007, 01:50 AM

I'd go with 8", but I've never done it. RE7's don't change diameter (supposedly), so you should be good if you run those.

gringoloco · 07-25-2007, 02:11 AM

I'd go for "two fingers" of clearance all the way around. Probably a 10" OD pipe.

*culookn* · 07-25-2007, 03:52 AM

what kind of braceing did you use under that arm? are you useing 3/16's plate?

camaro__thunder · 07-25-2007, 04:22 AM

Get ahold of Keith at this link... He built those arms, does great work at a cheap price. NFAMUS

BACKYARD88 · 08-01-2007, 02:43 PM

If you haven't done this yet, I am using 8". Te RE7s diameter actually gets smaller as it lifts. I have about 1/2" of clearance. I don't think you could fit anything bigger, 8" almost takes up the whole control arm.

Frizzle Fry · 08-01-2007, 03:30 PM

Quote:

Originally Posted by BACKYARD88

8" almost takes up the whole control arm.

That's what I figured. Post some pics when you get a chance.

Spray-Bomb · 08-01-2007, 11:36 PM

Thats what I thought

I haven't started to build yet, but I will keep you posted

Hey 88, do you have any pics ???

BACKYARD88 · 08-02-2007, 08:45 AM

I'm not finished but here's an idea. I just need to weld the plate to the bottom.

Spray-Bomb · 08-02-2007, 10:36 AM

Wow thats close, I'll be glad to see how this works

How deep did you make yours, I was thinking of making mine a inch deeper that stock

BACKYARD88 · 08-02-2007, 10:53 AM

I made it 3 inches from the top flat surface of the control arm. The bags have a minimum height of 2.8 inches so this will let the arm contact the upper plate before the bag bottoms out. If I wanted good lift I wouldn't do it this way but I'm looking for the lowest ride height I can get.

Spray-Bomb · 08-08-2007, 12:25 AM

Well I went and saw Mark (FuelCellGuy) today & he gave me a piece of 8" i.d. pipe for my A-arms

Man I love that guy, too bad he's always working

BACKYARD88 · 08-08-2007, 08:27 AM

Cool! Get to work

GWEE · 08-08-2007, 02:34 PM

i dont mean to sound stupid but with is it that you guys are doing and why?

BACKYARD88 · 08-08-2007, 02:41 PM

There's never a stupid question here. Long story short we go from this height

To this height

It's not for everyone, but we enjoy it.
You can see more detailed progress in my build thread if you're interested.

GWEE · 08-08-2007, 02:44 PM

do you have anymore pics of the front of the truck. with the lower A-arm installed

BACKYARD88 · 08-08-2007, 02:50 PM

Like this?

Here's one with the air at full lift.

GWEE · 08-08-2007, 03:10 PM

oh ok i see what yall are doing. its to get it even lower.

GWEE · 08-08-2007, 03:12 PM

did you cut your engines crossmember?

BACKYARD88 · 08-08-2007, 03:15 PM

Yes, sectioned it 1.25 inches.

GWEE · 08-08-2007, 03:40 PM

nice is there a step by step on how to do that

edflores · 08-08-2007, 03:53 PM

Quote:

Originally Posted by BACKYARD88

Like this?

on my truck, the lower arm hits the plate. i didnt use a lower cup. thats why i dont get what you guys are doing.

BACKYARD88 · 08-08-2007, 03:59 PM

I'm not sure if anyone has done a how-to. I haven't.

I'm not sure about everyone else, but I set mine up with a pocket so I can have an extremely low ride height. A 3" pocket gives me a 3" lower ride height

Got any pics of your set up?

GWEE · 08-08-2007, 04:04 PM

this is my truck

*culookn* · 08-08-2007, 04:20 PM

how thick is the pipe you guys are useing? 3/16 or 1/4"

07-25-2007, 12:22 AM	#1
Spray-Bomb Texas Big Wig Join Date: Jan 2007 Location: Mineola, Texas Posts: 5,620	Lower A-arms from questions to building Ok, I am going to reverse cup my lower A-arms like this But I would like to do it with pipe instead My question is, If I have a 7" bag how big of pipe do I need / how much clearance around the bag Edit: I started this thread to get some questions answered, it has so much good info I decided to take the info in it & build a set for myself __________________ Just not low enough... ----------------------------- Sinister Killer Last edited by Spray-Bomb; 08-13-2007 at 01:42 PM.

07-25-2007, 01:50 AM	#2
Frizzle Fry Registered User Join Date: Aug 2005 Location: Hillsboro Oregon Posts: 6,449	Re: Lower A-arm ??? I'd go with 8", but I've never done it. RE7's don't change diameter (supposedly), so you should be good if you run those.

07-25-2007, 02:11 AM	#3
gringoloco A guy with a truck Join Date: Sep 2005 Location: Germany, for now Posts: 5,920	Re: Lower A-arm ??? I'd go for "two fingers" of clearance all the way around. Probably a 10" OD pipe. __________________ -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

07-25-2007, 03:52 AM	#4
culookn Account Suspended Join Date: Jun 2006 Location: nj Posts: 194	Re: Lower A-arm ??? what kind of braceing did you use under that arm? are you useing 3/16's plate?

07-25-2007, 04:22 AM	#5
camaro__thunder Epoxy Primer Friendly Join Date: Feb 2004 Location: South of Houston TEXXXAS Posts: 680	Re: Lower A-arm ??? Get ahold of Keith at this link... He built those arms, does great work at a cheap price. NFAMUS __________________ My Project 69 SWB SHAVED BAGGED DOORED

08-01-2007, 02:43 PM	#6
BACKYARD88 On the fast track to nowhere.. Join Date: May 2006 Location: Splendora, Texas Posts: 5,316	Re: Lower A-arm ??? If you haven't done this yet, I am using 8". Te RE7s diameter actually gets smaller as it lifts. I have about 1/2" of clearance. I don't think you could fit anything bigger, 8" almost takes up the whole control arm. __________________ -Mike Owen- Support the board here! 71 Chevy short fleet build thread Double D Norwood, Houston, Cecilia, Jackson, Monroe and counting

08-01-2007, 11:36 PM	#8
Spray-Bomb Texas Big Wig Join Date: Jan 2007 Location: Mineola, Texas Posts: 5,620	Re: Lower A-arm ??? Thats what I thought I haven't started to build yet, but I will keep you posted Hey 88, do you have any pics ??? __________________ Just not low enough... ----------------------------- Sinister Killer

08-02-2007, 08:45 AM	#9
BACKYARD88 On the fast track to nowhere.. Join Date: May 2006 Location: Splendora, Texas Posts: 5,316	Re: Lower A-arm ??? I'm not finished but here's an idea. I just need to weld the plate to the bottom. __________________ -Mike Owen- Support the board here! 71 Chevy short fleet build thread Double D Norwood, Houston, Cecilia, Jackson, Monroe and counting

08-02-2007, 10:36 AM	#10
Spray-Bomb Texas Big Wig Join Date: Jan 2007 Location: Mineola, Texas Posts: 5,620	Re: Lower A-arm ??? Wow thats close, I'll be glad to see how this works How deep did you make yours, I was thinking of making mine a inch deeper that stock __________________ Just not low enough... ----------------------------- Sinister Killer

08-02-2007, 10:53 AM	#11
BACKYARD88 On the fast track to nowhere.. Join Date: May 2006 Location: Splendora, Texas Posts: 5,316	Re: Lower A-arm ??? I made it 3 inches from the top flat surface of the control arm. The bags have a minimum height of 2.8 inches so this will let the arm contact the upper plate before the bag bottoms out. If I wanted good lift I wouldn't do it this way but I'm looking for the lowest ride height I can get. __________________ -Mike Owen- Support the board here! 71 Chevy short fleet build thread Double D Norwood, Houston, Cecilia, Jackson, Monroe and counting

08-08-2007, 12:25 AM	#12
Spray-Bomb Texas Big Wig Join Date: Jan 2007 Location: Mineola, Texas Posts: 5,620	Re: Lower A-arm ??? Well I went and saw Mark (FuelCellGuy) today & he gave me a piece of 8" i.d. pipe for my A-arms Man I love that guy, too bad he's always working __________________ Just not low enough... ----------------------------- Sinister Killer

08-08-2007, 08:27 AM	#13
BACKYARD88 On the fast track to nowhere.. Join Date: May 2006 Location: Splendora, Texas Posts: 5,316	Re: Lower A-arm ??? Cool! Get to work __________________ -Mike Owen- Support the board here! 71 Chevy short fleet build thread Double D Norwood, Houston, Cecilia, Jackson, Monroe and counting

08-08-2007, 02:34 PM	#14
GWEE Registered User Join Date: Jan 2007 Location: LOUISIANA Posts: 151	Re: Lower A-arm ??? i dont mean to sound stupid but with is it that you guys are doing and why? __________________ 1985 GMC ( future plan pro tour build for the wife ) Black 2013 GMC single cab 4/7 drop on 24'' Torque Thrust ST rules

08-08-2007, 02:41 PM	#15
BACKYARD88 On the fast track to nowhere.. Join Date: May 2006 Location: Splendora, Texas Posts: 5,316	Re: Lower A-arm ??? There's never a stupid question here. Long story short we go from this height To this height It's not for everyone, but we enjoy it. You can see more detailed progress in my build thread if you're interested. __________________ -Mike Owen- Support the board here! 71 Chevy short fleet build thread Double D Norwood, Houston, Cecilia, Jackson, Monroe and counting Last edited by BACKYARD88; 08-08-2007 at 02:43 PM.

08-08-2007, 02:44 PM	#16
GWEE Registered User Join Date: Jan 2007 Location: LOUISIANA Posts: 151	Re: Lower A-arm ??? do you have anymore pics of the front of the truck. with the lower A-arm installed __________________ 1985 GMC ( future plan pro tour build for the wife ) Black 2013 GMC single cab 4/7 drop on 24'' Torque Thrust ST rules



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08-08-2007, 02:50 PM	#17
BACKYARD88 On the fast track to nowhere.. Join Date: May 2006 Location: Splendora, Texas Posts: 5,316	Re: Lower A-arm ??? Like this? Here's one with the air at full lift. __________________ -Mike Owen- Support the board here! 71 Chevy short fleet build thread Double D Norwood, Houston, Cecilia, Jackson, Monroe and counting Last edited by BACKYARD88; 08-08-2007 at 02:51 PM.

08-08-2007, 03:10 PM	#18
GWEE Registered User Join Date: Jan 2007 Location: LOUISIANA Posts: 151	Re: Lower A-arm ??? oh ok i see what yall are doing. its to get it even lower. __________________ 1985 GMC ( future plan pro tour build for the wife ) Black 2013 GMC single cab 4/7 drop on 24'' Torque Thrust ST rules

08-08-2007, 03:12 PM	#19
GWEE Registered User Join Date: Jan 2007 Location: LOUISIANA Posts: 151	Re: Lower A-arm ??? did you cut your engines crossmember? __________________ 1985 GMC ( future plan pro tour build for the wife ) Black 2013 GMC single cab 4/7 drop on 24'' Torque Thrust ST rules

08-08-2007, 03:15 PM	#20
BACKYARD88 On the fast track to nowhere.. Join Date: May 2006 Location: Splendora, Texas Posts: 5,316	Re: Lower A-arm ??? Yes, sectioned it 1.25 inches. __________________ -Mike Owen- Support the board here! 71 Chevy short fleet build thread Double D Norwood, Houston, Cecilia, Jackson, Monroe and counting Last edited by BACKYARD88; 08-08-2007 at 04:01 PM.

08-08-2007, 03:40 PM	#21
GWEE Registered User Join Date: Jan 2007 Location: LOUISIANA Posts: 151	Re: Lower A-arm ??? nice is there a step by step on how to do that __________________ 1985 GMC ( future plan pro tour build for the wife ) Black 2013 GMC single cab 4/7 drop on 24'' Torque Thrust ST rules

08-08-2007, 03:59 PM	#23
BACKYARD88 On the fast track to nowhere.. Join Date: May 2006 Location: Splendora, Texas Posts: 5,316	Re: Lower A-arm ??? I'm not sure if anyone has done a how-to. I haven't. I'm not sure about everyone else, but I set mine up with a pocket so I can have an extremely low ride height. A 3" pocket gives me a 3" lower ride height Got any pics of your set up? __________________ -Mike Owen- Support the board here! 71 Chevy short fleet build thread Double D Norwood, Houston, Cecilia, Jackson, Monroe and counting

08-08-2007, 04:04 PM	#24
GWEE Registered User Join Date: Jan 2007 Location: LOUISIANA Posts: 151	Re: Lower A-arm ??? this is my truck Attached Images __________________ 1985 GMC ( future plan pro tour build for the wife ) Black 2013 GMC single cab 4/7 drop on 24'' Torque Thrust ST rules

08-08-2007, 04:20 PM	#25
culookn Account Suspended Join Date: Jun 2006 Location: nj Posts: 194	Re: Lower A-arm ??? how thick is the pipe you guys are useing? 3/16 or 1/4"

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