shock bushings - Focaljet

**HTP Designer** · 06-28-2007, 06:21 PM

I just bought a brand new dynamic kit for the car I am building. I noticed it did not come with rear shock bushings and I would rather not swap over the rubber bushings. I measured up the shock eye and called prothane and energy up and neither carry a bushing of the size. Am I allowed to mold my own poly bushing or machine a bushing out of ptfe or delrin and use a chromo metal sleeve?

Seems like I could but I want to make sure. I just dont like the idea of installing a used rubber bushing from the old svt shocks, seems pointless.

**Ted7rns** · 06-28-2007, 07:06 PM

Yes, you can make you're own bushings.

**HTP Designer** · 06-28-2007, 07:06 PM

Hmmm, delrin really wont work because of the arc the the trailing arm will make in relationship to the lower control arm, so that would mean the bushing needs to flex 90 deg to the bolt (stud) that fastens the shock to the trailing arm.

Well I will wait to see what you guys are using and I will start on a mold design.

**HTP Designer** · 06-28-2007, 07:40 PM

Ok, forget the mold, im ordering stock from msc and will machine them out. Im still interested to here what others are doing. What are you guys doing about the upper mounts too?

**68 Touring Car** · 06-29-2007, 09:11 AM

We use production top and bottom.

**HTP Designer** · 06-29-2007, 12:06 PM

Does anyone feel there is a need for a product like this. Polly shock bushings?

**Ted7rns** · 06-29-2007, 02:00 PM

I think you can get some from Energy Suspension. What size are they?
http://www.energysuspension.com/pages/sk_bsp1.html

**brads03zx3** · 06-29-2007, 02:34 PM

Check your favorite local auto parts store that carries prothane/energy suspensions. I have installed a poly bushing in a shock when the stock bushing was missing. It was too big originally, but with enough bench vise and modification, it fit like a glove. You may find a universal bushing that is close.

**HTP Designer** · 06-29-2007, 03:57 PM

I called energy and prothan up and niether carry the correct size. I would rather make one correctly then fugde one to fit.

**brads03zx3** · 06-29-2007, 04:04 PM

That's fine. I think that bushing took <$5 and about 30 minutes. Better than stock. Post up some pics and a how to of your solution. I would be interested in what you came up with.

**natedog_1959** · 07-02-2007, 01:25 PM

The stock bushing is actually pretty stiff. You will want some articulation in that joint to allow the suspension to travel through its natural arc. Nate

**HTP Designer** · 07-02-2007, 04:20 PM

Thats is why chose to machine them out of poly

**HTPerformance** · 07-10-2007, 11:08 AM

A rendering for your enjoyment.

**Ted7rns** · 07-10-2007, 01:21 PM

Looks good

**HTP Designer** · 07-10-2007, 04:45 PM

I will have them done by friday night. Then we go beat on the care and see how they hold up. You know, a little R&D, lol.

**rallyrs** · 08-02-2007, 02:44 PM

Quote:

Originally Posted by HTPerformance

A rendering for your enjoyment.

So HT sells the bushings already machined to fit?

If so- how much?

In stock?

Thanks!

**HTP Designer** · 08-02-2007, 04:41 PM

Not yet, we are still thrashing on them to make sure they dont rip like how the VF lower engine mount poly insert does. Also, the pic has a rendering of the bushing I designed, the actual bushing is black with a chromoly sleeve.

**rallyrs** · 08-02-2007, 07:44 PM

Thanks for the info...
Please let me know when they are ready.......
I didn't know about the VF mount problem-are you engineering a fix for that as well?
I'm about to buy the VF mounts....

**HTP Designer** · 08-02-2007, 07:49 PM

I machined a solid insert for the front of it that ataches to the tranny. I am not sure how it will go but I am going to try it. The rear of the mount still has the poly insert and it is holding up fine.

06-28-2007, 06:21 PM	#1
HTP Designer TEAM Member Join Date: Jun 2006 Location: Keene, NH and Raynham, Ma Posts: 823	shock bushings I just bought a brand new dynamic kit for the car I am building. I noticed it did not come with rear shock bushings and I would rather not swap over the rubber bushings. I measured up the shock eye and called prothane and energy up and neither carry a bushing of the size. Am I allowed to mold my own poly bushing or machine a bushing out of ptfe or delrin and use a chromo metal sleeve? Seems like I could but I want to make sure. I just dont like the idea of installing a used rubber bushing from the old svt shocks, seems pointless. __________________ HTPerformance Chief Designer Quality Engineering and Track tested products Have a question? Instant messege screen name: *HTP Designer* on aim. Or send an email to: jason@htperformance.net

06-28-2007, 07:06 PM	#2
Ted7rns Moderator Join Date: Nov 2002 Location: Thousand Oaks, California Posts: 4,202	Re: shock bushings Yes, you can make you're own bushings. __________________ NASA Spec Focus Series Director \| NASA HPDE Instructor 2002 Ford Focus ZX3 Malibu Blue <23> NASA is dedicated to aspiring or accomplished Focus racers and track enthusiast.

06-28-2007, 07:06 PM	#3
HTP Designer TEAM Member Join Date: Jun 2006 Location: Keene, NH and Raynham, Ma Posts: 823	Re: shock bushings Hmmm, delrin really wont work because of the arc the the trailing arm will make in relationship to the lower control arm, so that would mean the bushing needs to flex 90 deg to the bolt (stud) that fastens the shock to the trailing arm. Well I will wait to see what you guys are using and I will start on a mold design. __________________ HTPerformance Chief Designer Quality Engineering and Track tested products Have a question? Instant messege screen name: *HTP Designer* on aim. Or send an email to: jason@htperformance.net

06-28-2007, 07:40 PM	#4
HTP Designer TEAM Member Join Date: Jun 2006 Location: Keene, NH and Raynham, Ma Posts: 823	Re: shock bushings Ok, forget the mold, im ordering stock from msc and will machine them out. Im still interested to here what others are doing. What are you guys doing about the upper mounts too? __________________ HTPerformance Chief Designer Quality Engineering and Track tested products Have a question? Instant messege screen name: *HTP Designer* on aim. Or send an email to: jason@htperformance.net

06-29-2007, 09:11 AM	#5
68 Touring Car Premier Sponsor Join Date: Jul 2002 Location: Motor City Posts: 1,181	Re: shock bushings We use production top and bottom. __________________ Leo NASA Spec Focus Series Director www.capaldiracing.com "Quitters Never Win"

06-29-2007, 12:06 PM	#6
HTP Designer TEAM Member Join Date: Jun 2006 Location: Keene, NH and Raynham, Ma Posts: 823	Re: shock bushings Does anyone feel there is a need for a product like this. Polly shock bushings? __________________ HTPerformance Chief Designer Quality Engineering and Track tested products Have a question? Instant messege screen name: *HTP Designer* on aim. Or send an email to: jason@htperformance.net

06-29-2007, 02:00 PM	#7
Ted7rns Moderator Join Date: Nov 2002 Location: Thousand Oaks, California Posts: 4,202	Re: shock bushings I think you can get some from Energy Suspension. What size are they? http://www.energysuspension.com/pages/sk_bsp1.html __________________ NASA Spec Focus Series Director \| NASA HPDE Instructor 2002 Ford Focus ZX3 Malibu Blue <23> NASA is dedicated to aspiring or accomplished Focus racers and track enthusiast.

06-29-2007, 02:34 PM	#8
brads03zx3 [FJ] Specialist Join Date: Sep 2004 Location: California Posts: 9,069	Re: shock bushings Check your favorite local auto parts store that carries prothane/energy suspensions. I have installed a poly bushing in a shock when the stock bushing was missing. It was too big originally, but with enough bench vise and modification, it fit like a glove. You may find a universal bushing that is close. __________________ Mountain Tested----'03 zetec DuraMonster---'03 duratec ZX3 vs MNTN - 9/0 & ZX3 vs TRACK - 4/1 *JCM Racing #88* Bouncing Back---Bigger, Faster, Stronger Vacuum Vulture Racing - We put the ARG in 'CHARGED

06-29-2007, 03:57 PM	#9
HTP Designer TEAM Member Join Date: Jun 2006 Location: Keene, NH and Raynham, Ma Posts: 823	Re: shock bushings I called energy and prothan up and niether carry the correct size. I would rather make one correctly then fugde one to fit. __________________ HTPerformance Chief Designer Quality Engineering and Track tested products Have a question? Instant messege screen name: *HTP Designer* on aim. Or send an email to: jason@htperformance.net

06-29-2007, 04:04 PM	#10
brads03zx3 [FJ] Specialist Join Date: Sep 2004 Location: California Posts: 9,069	Re: shock bushings That's fine. I think that bushing took <$5 and about 30 minutes. Better than stock. Post up some pics and a how to of your solution. I would be interested in what you came up with. __________________ Mountain Tested----'03 zetec DuraMonster---'03 duratec ZX3 vs MNTN - 9/0 & ZX3 vs TRACK - 4/1 *JCM Racing #88* Bouncing Back---Bigger, Faster, Stronger Vacuum Vulture Racing - We put the ARG in 'CHARGED

07-02-2007, 01:25 PM	#11
natedog_1959 Senior TEAM Member Join Date: Jan 2005 Location: Nashville, TN Posts: 1,285	Re: shock bushings The stock bushing is actually pretty stiff. You will want some articulation in that joint to allow the suspension to travel through its natural arc. Nate __________________ 2004 SVT Focus Black w/ red inserts, HID's, Audiophile. Show: Euro Upper Grille, Tinted Corners, 5% tint on rear three windows, Black EAP Wheels w/ black lug nuts. Go: Steeda STS, SRI, STB, 2 Mounts, MSD Coil/Wires, Side Gapped Cu Plugs, SS Brake Lines, F2 Rear Sway, SRF Throttle Body, ORP, Borla Exhaust, Grounding Kit, SVT Salvage battery box and Odyssey battery, COSDEVSVT Harness Bar, Corbeau Harness, 215/45/17 Dunlop Z1's, Multimatic/KYB suspension, P-51 shims, Centric rotors/Hawk HPS pads.

07-02-2007, 04:20 PM	#12
HTP Designer TEAM Member Join Date: Jun 2006 Location: Keene, NH and Raynham, Ma Posts: 823	Re: shock bushings Thats is why chose to machine them out of poly __________________ HTPerformance Chief Designer Quality Engineering and Track tested products Have a question? Instant messege screen name: *HTP Designer* on aim. Or send an email to: jason@htperformance.net

07-10-2007, 11:08 AM	#13
HTPerformance TEAM Sponsor Join Date: Apr 2005 Location: Boston, MA Posts: 1,474	Re: shock bushings A rendering for your enjoyment. __________________ *"Enabling you the opportunity to build your DREAM. We take ideas and turn them into reality."* BUY IT NOW! HTP Adjustable Rear Toe Arms - ORDER YOUR SET NOW! Zetec MAF Sensor Tubes now in stock! Duratec on the way!

07-10-2007, 01:21 PM	#14
Ted7rns Moderator Join Date: Nov 2002 Location: Thousand Oaks, California Posts: 4,202	Re: shock bushings Looks good __________________ NASA Spec Focus Series Director \| NASA HPDE Instructor 2002 Ford Focus ZX3 Malibu Blue <23> NASA is dedicated to aspiring or accomplished Focus racers and track enthusiast.

07-10-2007, 04:45 PM	#15
HTP Designer TEAM Member Join Date: Jun 2006 Location: Keene, NH and Raynham, Ma Posts: 823	Re: shock bushings I will have them done by friday night. Then we go beat on the care and see how they hold up. You know, a little R&D, lol. __________________ HTPerformance Chief Designer Quality Engineering and Track tested products Have a question? Instant messege screen name: *HTP Designer* on aim. Or send an email to: jason@htperformance.net

08-02-2007, 04:41 PM	#17
HTP Designer TEAM Member Join Date: Jun 2006 Location: Keene, NH and Raynham, Ma Posts: 823	Re: shock bushings Not yet, we are still thrashing on them to make sure they dont rip like how the VF lower engine mount poly insert does. Also, the pic has a rendering of the bushing I designed, the actual bushing is black with a chromoly sleeve. __________________ HTPerformance Chief Designer Quality Engineering and Track tested products Have a question? Instant messege screen name: *HTP Designer* on aim. Or send an email to: jason@htperformance.net

08-02-2007, 07:44 PM	#18
rallyrs TEAM Member Join Date: Feb 2005 Location: Simi Valley, California Posts: 291	Re: shock bushings Thanks for the info... Please let me know when they are ready....... I didn't know about the VF mount problem-are you engineering a fix for that as well? I'm about to buy the VF mounts.... __________________ Mike's car- French Blue 2004 Ford Focus ZX3-2.3,5spd...Cosworth Exh,FRPP Dynamic suspension and Rally Whites,LCR plates,Prothane bushings,Toyo RA1's, Hawk HP+ Pads,StopTech(Centric)Front Rotors Doris' car -Velocity Red 2005 Mazda3S sedan,2.3L Duratec(MazdaMZR),slushbox, Hankook RS2's

08-02-2007, 07:49 PM	#19
HTP Designer TEAM Member Join Date: Jun 2006 Location: Keene, NH and Raynham, Ma Posts: 823	Re: shock bushings I machined a solid insert for the front of it that ataches to the tranny. I am not sure how it will go but I am going to try it. The rear of the mount still has the poly insert and it is holding up fine. __________________ HTPerformance Chief Designer Quality Engineering and Track tested products Have a question? Instant messege screen name: *HTP Designer* on aim. Or send an email to: jason@htperformance.net

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