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05-23-2013, 01:44 AM
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#1 |
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Registered User
 
Join Date: Oct 2009
Location: SoCal
Posts: 815
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Forward Porterbilt arms on a Square
Anyone have the Porterbilt tubular a-arms on the front of a squarebody? They said it pushes the wheels forward to help center the wheels. Id like to see how much of a difference it makes before I make a purchase..
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05-23-2013, 05:30 AM
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#2 |
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67-72 parts collector,…
Join Date: Nov 2002
Location: Mid-MO
Posts: 22,701
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Re: Forward Porterbilt arms on a Square
Porterbuilt makes many different a-arms.
If you are thinking about buying a set for a stock crossmember truck,... you have to ask for their "Forward Series" a-arms. A Dropmember equipped trucks use a set of regular Porterbuilt a-arms,... since the Dropmember itself, moves the wheels forward. (I didn't want you to think that ALL Porterbuilt a-arms move the wheels forward)
__________________
Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 |
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05-23-2013, 07:45 AM
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#3 |
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Registered User
Join Date: Jan 2009
Location: Louisville,Ky
Posts: 5,811
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Re: Forward Porterbilt arms on a Square
They are only one inch forward which don't sound like much,But when your lowered with big wheels its makes a big difference and clearances.
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05-23-2013, 12:54 PM
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#4 | |
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Registered User
Join Date: Oct 2009
Location: SoCal
Posts: 815
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Re: Forward Porterbilt arms on a Square
Quote:
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05-23-2013, 02:52 PM
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#5 |
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67-72 parts collector,…
Join Date: Nov 2002
Location: Mid-MO
Posts: 22,701
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Re: Forward Porterbilt arms on a Square
This one has a Dropmember,... but it would be really similar to this.
(only picture I can find of these trucks air'd all the up) "Wheel Placement" of the front wheels is so much better.
__________________
Keith Convert to disc brakes. http://67-72chevytrucks.com/vboard/s...d.php?t=444823 |
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05-23-2013, 03:50 PM
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#6 |
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I'm just glad to be here!
Join Date: Jan 2008
Location: Longview, TX
Posts: 4,788
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Re: Forward Porterbilt arms on a Square
Here is an unfinished one of my son's '82 with the Lower Forward Arm only. The tire is a 275/45r20 in this picture....
 Here it is sitting on the weight of the truck at ride height. He is running the coils spring, not an air bag. There is a billet retainer that is available separate to use coil springs insted of bags. The tire is a 245/45r20 in this picture. We will end up running 255/40r20's when we get it on the road... 
__________________
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; 05-23-2013 at 03:52 PM. Reason: tire info.. |
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05-23-2013, 03:57 PM
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#7 |
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Registered User
Join Date: Dec 2011
Location: Arlington WA
Posts: 1,728
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Re: Forward Porterbilt arms on a Square
relocating the lower ball joint 1" forward will also give you some much needed caster gain so you dont burn the front tires of from under steer
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GMC C15 355 SM465 3.73 80 C10 cruiser build thread 79 short stepside crew cab. big and ugly. build thread |
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05-23-2013, 05:27 PM
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#8 |
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Registered User
Join Date: Oct 2009
Location: SoCal
Posts: 815
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Re: Forward Porterbilt arms on a Square
Thanks guys. It makes more of a difference than I thought. I want to run their forward arms off my stock crossmember. Time to start saving up...
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