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Author
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Topic: Strut rod bolts + poly bushings
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sodi
Gearhead Posts: 197
From: Kenosha Wi. USA
Registered: Dec 2002
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posted 03-11-2005 09:11 PM
   
Finally got the strut rod bolts off my 70 mach. It took lots of air impact and W D Blaster. Anyway there off. Now i"m trying to find new nuts to go back on Anyone know what size they are?? 11/16" or 18mm machine thread seems close. Trying to find them locally. While I'm here wuold the poly strut rod bushings be ok for a normal street drivin car ?? I read on a few posts they are not recomended. Any thoughts or comments would be app. sodi
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Fastback68
Gearhead Posts: 3093
From: Sucat, Paranaque, Philippines
Registered: Jul 99
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posted 03-11-2005 09:55 PM
For street use, 85% of users prefer rubber, and of those 85%, 10% would never touch poly. The remaining 15% use poly and say the other 85% are worrying about nothing - at which point someone will chime in with a horror story about what happens when a strut rod breaks! All figures are approx 
Much more interesting and supposedly scientific is the sometimes heated debate about which way to place the two metal "retainers" - if, indeed, that's what they are - cupped side in or out. You should still be able to find that somewhere on M&M.
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Mach won
Journeyman Posts: 54
From: Walnut Grove, Ca. USA
Registered: Nov 2004
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posted 03-11-2005 10:51 PM
When I rebuilt the front suspension on my '71, I bought the poly bushings, even though I was told by a club member that they will cause your strut rods to break. It happened to him. I of course didn't believe him and bought them anyway, thinking they are the latest and greatest. A strut rod broke after 3K miles. Coincidence??????? 
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Fastymz
Moderator Posts: 18703
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 03-12-2005 02:31 AM
I used rubber bushing for one reason only. SteveL told me the old set of rubber bushings held for good 30 plus years driving. Why wouldn't a new set do the same.
And every one knows the cup side goes in. ------------------
oddly obsessed with big scoops on little Mustangs 65 coupe 351w C4 Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics
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68mustang351w
Gearhead Posts: 162
From: San Diego
Registered: Sep 2004
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posted 03-12-2005 11:22 AM
I doubt they are 18mm, remember this is an old Ford, they should be standard... David F.
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sodi
Gearhead Posts: 197
From: Kenosha Wi. USA
Registered: Dec 2002
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posted 03-12-2005 12:08 PM
Reason I was thinking of useing them is I alweady have them They came with the Prothane kit. Why spend another 38.00 for rubber. BUT that braking issue on the strut cannot even be an issue Thanks sodi
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white68stang
Journeyman Posts: 39
From: Austin, TX
Registered: Jul 2004
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posted 03-12-2005 12:44 PM
I went with poly on the bushing and my strut rod broke about 12,000 miles later. I think it might have broke anyways.  I still have the nuts off my original rod (68). I think they are the same as the 70 and they are in good shape. Drop me an email and maybe I could mail them your way. There is only three of them, correct? My repo rod had a slightly differnt size of nuts on it.
[email protected]------------------
1968 Fastback, 302, 5 speed, ez wiring harness. [This message has been edited by white68stang (edited 03-12-2005).]
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68 S-code GT
Gearhead Posts: 2518
From: Sayreville, NJ, US
Registered: Mar 2000
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posted 03-12-2005 06:41 PM
I?ve always used rubber and haven?t busted a strut rod in 20 years!------------------
Ed S. 68 S-code FB GT 4spd(now C6)/3.25 PS PDB
68 J-code(now 289) Cp Sprint"B" C4/3L00-9" PDB PS AC Bla-Bla-Bla
99 F150 XLT Ext/cab, 4X4, 5.4L, 3L55
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sodi
Gearhead Posts: 197
From: Kenosha Wi. USA
Registered: Dec 2002
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posted 03-13-2005 09:40 AM
Thanks to all replys I think I'll just give NPD a call and get the rubber kit and some new nuts  sodi
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68 Coop
Gearhead Posts: 934
From: Mesquite, NV.
Registered: Oct 2004
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posted 03-13-2005 09:59 AM
sodi, I'm taking it you are doing this yourself, so, how hard is it to do, and can it be done by a novice with basic tools??? I have a breaker bar, so I could go buy a 1" drive socket(s) to do the job. Just don't want to get started, and find out it's too much, too late. Thanks for the time and info.------------------
William
68 Coupe
"Restomod in Progress" [This message has been edited by 68 Coop (edited 03-13-2005).]
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Fastymz
Moderator Posts: 18703
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 03-13-2005 01:43 PM
quote:
Originally posted by 68 Coop:
sodi, I'm taking it you are doing this yourself, so, how hard is it to do, and can it be done by a novice with basic tools??? I have a breaker bar, so I could go buy a 1" drive socket(s) to do the job. Just don't want to get started, and find out it's too much, too late. Thanks for the time and info.
You can do it!
------------------
oddly obsessed with big scoops on little Mustangs 65 coupe 351w C4 Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics
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68 Coop
Gearhead Posts: 934
From: Mesquite, NV.
Registered: Oct 2004
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posted 03-13-2005 02:15 PM
Thanks Scoop.------------------
William
68 Coupe
"Restomod in Progress"
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sodi
Gearhead Posts: 197
From: Kenosha Wi. USA
Registered: Dec 2002
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posted 03-13-2005 09:32 PM
Thanks fastmnz: But I don't think I could have done it with a breaker bar. 68 !! if you have a freind or anyone to break the nuts loose with an impact gun, God bless !! It will make the job MUCH easier, Use plenty of rust penatrant and go back and forthtill you get them off. I took my time trying to save me my strut arms and not snap the rod. Good luck, Any more ?? I will try and answer as I'm still im the middle of doing mine. Waiting on NPD for my rubber bushings. Sodi
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Fastymz
Moderator Posts: 18703
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 03-14-2005 12:37 AM
I guess I was lucky because I used a large breaker bar to do mine.------------------
oddly obsessed with big scoops on little Mustangs 65 coupe 351w C4 Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics
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sodi
Gearhead Posts: 197
From: Kenosha Wi. USA
Registered: Dec 2002
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posted 03-14-2005 05:14 PM
Just talked to Dave at NPD Mich. And they haven't had the rubber bushings in for months, no stores have them. Anyone know of another dealer that has rubber strut bushings ???
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Fastymz
Moderator Posts: 18703
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 03-14-2005 05:31 PM
Try NAPA they might have them.------------------
oddly obsessed with big scoops on little Mustangs 65 coupe 351w C4 Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics
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Scott302
Journeyman Posts: 30
From: Livonia, MI, USA
Registered: Mar 2001
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posted 03-17-2005 10:42 AM
[QUOTE]Originally posted by Fastymz:
[B]Try NAPA they might have them.The problem is that the current replacement bushings available from the aftermarket are being made of thermoplastic, similar the someone elses "midolyne". It falls between rubber and polyurethane. It is touted as having the benefits of poly without the squeaks or harshness. We had been getting the real rubber bushings from a supplier but somewhere they started including the thermoplastic instead. We are currently looking to find someone to do them in the original rubber but these things take time. Until then stick with the thermoplastic and save the poly for the track or roads where there are no bumps or potholes
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Scott Halseth
National Parts Depot
65 Convt
66 Coupe
03 Coupe
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SteveLaRiviere
Administrator Posts: 43151
From: Saco, Maine
Registered: May 99
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posted 03-18-2005 03:10 PM
Hi Scott! Nice to see ya! I found this interesting, it was on Global West's web site: "Benefits and features:
Performance rubber High durometer bushings will control lower control arm location with limited deflection and still allow pivot over standard factory durometer. (Caution: Too high of a durometer bushing in this location can cause strut rod failure due to too much resistance in the direction of pivot. That is why we prefer rubber in this location over other high density plastics)." http://www.globalwest.net/mustang_1964%20-73%20catalog.htm#Front%20Lower%20Control%20Arms ------------------
'70 Mustang Mach 1 351C 4V/FMX/3.25 Open
'70 Mustang Convertible 250 I6/3 speed/2.79 Open
'72 Mustang Sprint Hardtop 351C 4V/FMX/4.30 Trac Loc
'94 F-150 XL 5.8L/E4OD/3.55 Limited Slip
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