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Front-end rebuild #700575
05/17/10 04:27 PM
05/17/10 04:27 PM
Joined: May 2010
Posts: 65
GTXtacy, IL
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MarPar Offline OP
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GTXtacy, IL
Hi Guys!! I'm new to MoParts, and have been lurking around for a couple of days...HUGE forum!! Good stuff!!!

Anyway, i was wondering what would be a good, complete front suspension rebuild kit for a 68 GTX. Not that money is no object, but i would be willing to pay for top-quality stuff! I've seen A LOT of different companies offering a bunch of different packages (poly graphite, poly urethane) I want to change everything except the CA's and bushings (that will come later with disk brakes and drop-spindles). Torsion bars and bushings, sway bar mounts, ball joints and all the bushings i can... any comments are appreciated

-Mar

5987737-209.jpg (49 downloads)

68 GTX 440cid 727 3.91SG 08 E-92 In God we trust...all others must pay cash
Re: Front-end rebuild [Re: MarPar] #700576
05/17/10 04:45 PM
05/17/10 04:45 PM
Joined: Jan 2003
Posts: 1,883
Northern OH
R
rapom Offline
top fuel
rapom  Offline
top fuel
R

Joined: Jan 2003
Posts: 1,883
Northern OH
Espo is what I use and they are your cheapest source that carries only USA sourced parts that I know of.

Mancini Racing is also a good source. They only carry MOOG parts.

Re: Front-end rebuild [Re: MarPar] #700577
05/17/10 05:00 PM
05/17/10 05:00 PM
Joined: Jul 2005
Posts: 757
Toronto, Ont, Canada
boydsdodge Offline
super stock
boydsdodge  Offline
super stock

Joined: Jul 2005
Posts: 757
Toronto, Ont, Canada
Stay away from urethane lower control arm bushings on the street.

Re: Front-end rebuild [Re: boydsdodge] #700578
05/17/10 05:05 PM
05/17/10 05:05 PM
Joined: May 2010
Posts: 65
GTXtacy, IL
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MarPar Offline OP
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MarPar  Offline OP
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Joined: May 2010
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GTXtacy, IL
Any specific reason? it is a street car, with a couple flogs at the track a year...thanks


68 GTX 440cid 727 3.91SG 08 E-92 In God we trust...all others must pay cash
Re: Front-end rebuild [Re: MarPar] #700579
05/17/10 06:48 PM
05/17/10 06:48 PM
Joined: Mar 2007
Posts: 2,252
Sebring, Florida
M
Mopar Grandpa Offline
top fuel
Mopar Grandpa  Offline
top fuel
M

Joined: Mar 2007
Posts: 2,252
Sebring, Florida
Stay with the original replacement type rubber. I put polyurethane in my Road Runner and it squeaked like crazy and rode like a log wagon. Removed it all and went back to the rubber.

Re: Front-end rebuild [Re: Mopar Grandpa] #700580
05/18/10 01:10 PM
05/18/10 01:10 PM
Joined: Aug 2005
Posts: 634
Maryland, USA,
S
satgtx Offline
mopar
satgtx  Offline
mopar
S

Joined: Aug 2005
Posts: 634
Maryland, USA,
ESPO great folks to work with.

Re: Front-end rebuild [Re: satgtx] #700581
05/18/10 01:17 PM
05/18/10 01:17 PM
Joined: Sep 2006
Posts: 1,161
Los Angeles, CA
JF_Moparts Offline
super stock
JF_Moparts  Offline
super stock

Joined: Sep 2006
Posts: 1,161
Los Angeles, CA
I've always been a fan of PST's rebuild kits. I've used three of them on my own cars. I go all Polygraphite, and I havent's experienced much (or any) squeeking, but the ride is solid. You will feel every bump. Then again, you stay straighter in the hard turns.

If you do go poly, I'd recommend the following:

Torsion bars of at least 170 lbs/in. (Stock is about 90-110)
Front sway bar - 1 1/8 or larger.
Welded frame connectors.
Good shocks.

Of course, the list goes on and on from there...

Jim

Re: Front-end rebuild [Re: JF_Moparts] #700582
05/18/10 02:13 PM
05/18/10 02:13 PM
Joined: May 2010
Posts: 65
GTXtacy, IL
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MarPar Offline OP
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MarPar  Offline OP
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Joined: May 2010
Posts: 65
GTXtacy, IL
Quote:

I've always been a fan of PST's rebuild kits. I've used three of them on my own cars. I go all Polygraphite, and I havent's experienced much (or any) squeeking, but the ride is solid. You will feel every bump. Then again, you stay straighter in the hard turns.

If you do go poly, I'd recommend the following:

Torsion bars of at least 170 lbs/in. (Stock is about 90-110)
Front sway bar - 1 1/8 or larger.
Welded frame connectors.
Good shocks.

Of course, the list goes on and on from there...

Jim




Thanks Jim! Right now I have a stock sway bar and .096? (stock HD's) Torsion bars. I really don't want to cut or weld anything on her, i want more of a stockish setup that's a little tighter on turns. I know she's not going to handle like she's on rails, but just a little upgrade is what i'm looking for. I'm going to get new shocks and leaf springs also, any thoughts on them? Re: polygraphite, how solid of a ride are talking about?? like a filling rattling ride??

Thanks -Mar


68 GTX 440cid 727 3.91SG 08 E-92 In God we trust...all others must pay cash
Re: Front-end rebuild [Re: MarPar] #700583
05/18/10 02:18 PM
05/18/10 02:18 PM
Joined: Dec 2007
Posts: 7,759
So Cal
HealthServices Offline
Why would you even post that?
HealthServices  Offline
Why would you even post that?

Joined: Dec 2007
Posts: 7,759
So Cal
Think about buying and replacing the dust boots with poly as the rubber ones everyone has been making for dust boots are crapola, or will be in a very short time. I think they make black ones so they won't attract attention.


Allen Here's a novel idea, let's not throw a bunch of parts at the car hoping it will fix the problem and instead spend a little time diagnosing it first. Life was a little easier when I was just a wrench.
Re: Front-end rebuild [Re: MarPar] #700584
05/18/10 07:16 PM
05/18/10 07:16 PM
Joined: Sep 2006
Posts: 1,161
Los Angeles, CA
JF_Moparts Offline
super stock
JF_Moparts  Offline
super stock

Joined: Sep 2006
Posts: 1,161
Los Angeles, CA
Quote:

Quote:

I've always been a fan of PST's rebuild kits. I've used three of them on my own cars. I go all Polygraphite, and I havent's experienced much (or any) squeeking, but the ride is solid. You will feel every bump. Then again, you stay straighter in the hard turns.

If you do go poly, I'd recommend the following:

Torsion bars of at least 170 lbs/in. (Stock is about 90-110)
Front sway bar - 1 1/8 or larger.
Welded frame connectors.
Good shocks.

Of course, the list goes on and on from there...

Jim




Thanks Jim! Right now I have a stock sway bar and .096? (stock HD's) Torsion bars. I really don't want to cut or weld anything on her, i want more of a stockish setup that's a little tighter on turns. I know she's not going to handle like she's on rails, but just a little upgrade is what i'm looking for. I'm going to get new shocks and leaf springs also, any thoughts on them? Re: polygraphite, how solid of a ride are talking about?? like a filling rattling ride??

Thanks -Mar




I can't comment on the harshness of the ride with just the poly bushings, because when I've rebuilt my front suspensions, I also replaced the torsion bars and shocks with much firmer components. When I hit a pothole in my Sebring, I feel it! (I also have 40 profile tires, 205 lbs/inch torsion bars, and a slightly lowered front)

I did replace the rear suspension on my 71 Sebring and went with poly. That squeeked for the first year but since then has been quiet. I also got rid of the stock leaves and installed the Hemi 6 / 5+2 leaves. They're about 160 lbs/inch, and they work well with a rebuilt front.

If you want it mostly stock, I'd probably stick with rubber bushings and upgrade the anti-sway bar. I think the amount of lean in the older stock cars was their big handling downfall.

Jim

ps - I'm not an engineer, I've just read a bunch of books on automotive suspension design. I think upgrading a sway bar without upgrading the rest of the front is ok, but you might want to confirm that with an engineer.

Re: Front-end rebuild [Re: JF_Moparts] #700585
05/20/10 11:49 AM
05/20/10 11:49 AM
Joined: May 2010
Posts: 65
GTXtacy, IL
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MarPar Offline OP
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MarPar  Offline OP
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GTXtacy, IL
So after doin some research, and thanks to the fine gentlemen who responded on this thread, i've come up with my parts list...see what y'all think.

QA1 shocks
XHD rear leafs

.10 T-bars

and this front-end kit...
http://www.billrolikenterprises.com/proddetail.asp?prod=205

couple questions though...

should i go with the 11/16" tie rod ends with that package? it says heavy-duty, and everything else is heavy-duty on the car..

Am I missing anything??

All comments are much appreciated!!!
Thanks
-Mar


68 GTX 440cid 727 3.91SG 08 E-92 In God we trust...all others must pay cash
Re: Front-end rebuild [Re: MarPar] #700586
05/20/10 01:36 PM
05/20/10 01:36 PM
Joined: Sep 2006
Posts: 1,161
Los Angeles, CA
JF_Moparts Offline
super stock
JF_Moparts  Offline
super stock

Joined: Sep 2006
Posts: 1,161
Los Angeles, CA
Do you mean 1.10" torsion bars? If so, those seem kinda harsh. What's that, like 270 lbs/inch?

I run 205 lbs/inch with a small block and it's pretty firm.

Jim

Re: Front-end rebuild [Re: MarPar] #700587
05/20/10 03:16 PM
05/20/10 03:16 PM
Joined: Nov 2004
Posts: 9,312
SoCal
68HemiB Offline
master
68HemiB  Offline
master

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Posts: 9,312
SoCal
Quote:



.10 T-bars






I too am unclear on the size of T-bars you've selected.

As for the bigger TRE, opinions vary about whether the bigger ones provide sufficient benefit for the added cost/weight. Personally, I am in favor of them.

As for missing anything, how are your existing sway bar frame bushings and end links?


Down to just a blue car now.
Re: Front-end rebuild [Re: JF_Moparts] #700588
05/20/10 03:16 PM
05/20/10 03:16 PM
Joined: May 2010
Posts: 65
GTXtacy, IL
M
MarPar Offline OP
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MarPar  Offline OP
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GTXtacy, IL
I can't remember where i saw it, but it thought i saw 180 lbs/inch for a those T-bars. i have .096 now, i wanted to go one step-up. I thought it was .10?? not sure tho!!!


68 GTX 440cid 727 3.91SG 08 E-92 In God we trust...all others must pay cash
Re: Front-end rebuild [Re: MarPar] #700589
05/20/10 03:17 PM
05/20/10 03:17 PM
Joined: Nov 2004
Posts: 9,312
SoCal
68HemiB Offline
master
68HemiB  Offline
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Joined: Nov 2004
Posts: 9,312
SoCal
Quote:

I can't remember where i saw it, but it thought i saw 180 lbs/inch for a those T-bars. i have .096 now, i wanted to go one step-up. I thought it was .10?? not sure tho!!!




You've got the decimal in the wrong place.

.96"

1.0"

It's the diameter of the bar.


Down to just a blue car now.
Re: Front-end rebuild [Re: MarPar] #700590
05/20/10 03:19 PM
05/20/10 03:19 PM
Joined: Apr 2010
Posts: 93
CA
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mojavered Offline
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CA
You probably mean 1.0".


71 Challenger RT
440 / 727 / 8.75
Re: Front-end rebuild [Re: 68HemiB] #700591
05/20/10 03:21 PM
05/20/10 03:21 PM
Joined: May 2010
Posts: 65
GTXtacy, IL
M
MarPar Offline OP
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MarPar  Offline OP
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Joined: May 2010
Posts: 65
GTXtacy, IL
Quote:

Quote:



.10 T-bars






I too am unclear on the size of T-bars you've selected.

As for the bigger TRE, opinions vary about whether the bigger ones provide sufficient benefit for the added cost/weight. Personally, I am in favor of them.

As for missing anything, how are your existing sway bar frame bushings and end links?




Ah yes!! i knew i forgot something!!

the sway bar bushings!! doesn't look like they are included in that set!! nor are the end links

guess i'll keep looking!!


68 GTX 440cid 727 3.91SG 08 E-92 In God we trust...all others must pay cash
Re: Front-end rebuild [Re: 68HemiB] #700592
05/20/10 03:22 PM
05/20/10 03:22 PM
Joined: May 2010
Posts: 65
GTXtacy, IL
M
MarPar Offline OP
member
MarPar  Offline OP
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Joined: May 2010
Posts: 65
GTXtacy, IL
Quote:

Quote:

I can't remember where i saw it, but it thought i saw 180 lbs/inch for a those T-bars. i have .096 now, i wanted to go one step-up. I thought it was .10?? not sure tho!!!




You've got the decimal in the wrong place.

.96"

1.0"

It's the diameter of the bar.




Ah! ok thanks for the correction!

so yes, 1" T-bars is what i'm thinking...


68 GTX 440cid 727 3.91SG 08 E-92 In God we trust...all others must pay cash
Re: Front-end rebuild [Re: MarPar] #700593
05/20/10 03:29 PM
05/20/10 03:29 PM
Joined: May 2010
Posts: 65
GTXtacy, IL
M
MarPar Offline OP
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GTXtacy, IL
How bout this kit?? it's got pretty much everything i want...except that it's poly and not rubber bushings i know it's pretty far away from the stock set i was looking at, but it looks like it would be pretty bad-ass...

http://www.justsuspension.com/the-works-kit-for-mopar.html



Last edited by MarPar; 05/20/10 03:31 PM.

68 GTX 440cid 727 3.91SG 08 E-92 In God we trust...all others must pay cash
Re: Front-end rebuild [Re: JF_Moparts] #700594
05/20/10 03:44 PM
05/20/10 03:44 PM
Joined: Jan 2003
Posts: 27,468
So Cal
autoxcuda Offline
Too Many Posts
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So Cal
Quote:

Do you mean 1.10" torsion bars? If so, those seem kinda harsh. What's that, like 270 lbs/inch?

...







I think I'm going to try these in the shorter A-body length T-bars (stiffer) and see what happens. The worst I could do is crack the car in half.

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