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J&M strut mounts

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Old Jun 2, 2009 | 07:44 AM
  #1  
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EGG
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From: perth, aus
Car: 88 Trans Am
Engine: 305 TPI
J&M strut mounts

Hi, I did post over in aftermarket products, but didn't get a response and I know there are some guys using these mounts on here

I'm finally about to put the J&M strut mounts in (along with koni's, pro-kit, spohn panhard/rear lca's), but one thing I've been wondering for a while, the bearings on the mounts are as stiff as they come. To move them at all I had to brace them in a vice (with tubular piping each side to grip the inner ring of the bearing), then turn the large black surround. Trying to turn them using my finger just about breaks a knuckle, but they don't budge at all. The bearings on the old mounts which have just come off will turn freely with my finger.

Are they meant to be this stiff?
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Old Jun 2, 2009 | 12:42 PM
  #2  
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From: Western WA
Car: 85 Camaro
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Re: J&M strut mounts

Did you already ask the manufacturer?
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Old Jun 2, 2009 | 03:40 PM
  #3  
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From: Cleveland, Ohio
Car: 89' IROC-Z
Engine: LO3
Transmission: 700R4
Axle/Gears: 10-Bolt/2.73
Re: J&M strut mounts

Originally Posted by EGG
Hi, I did post over in aftermarket products, but didn't get a response and I know there are some guys using these mounts on here

I'm finally about to put the J&M strut mounts in (along with koni's, pro-kit, spohn panhard/rear lca's), but one thing I've been wondering for a while, the bearings on the mounts are as stiff as they come. To move them at all I had to brace them in a vice (with tubular piping each side to grip the inner ring of the bearing), then turn the large black surround. Trying to turn them using my finger just about breaks a knuckle, but they don't budge at all. The bearings on the old mounts which have just come off will turn freely with my finger.

Are they meant to be this stiff?
Put it this way (not saying they should be very stiff but think about this)

Your old mounts which are probably the stock ones from factory are obviously worn out (not worn badly, but enough to allow give), thus allowing them to easily move.

New mounts WILL be stiffer but realize the shock sits in there and the force of a car is a lot more than the force of your finger.

Call J&M and ask, a simple 30 second call will figure it out.
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Old Jun 2, 2009 | 10:17 PM
  #4  
1988-305-tbi's Avatar
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From: SoCal "Riverside"
Re: J&M strut mounts

yes they are supposed to be that stiff ur problem is that you don't have enough leverage to move then with your finger, the strut is about 2' long, ur finger 2" they will move/work fine when insalledin the car


just to warn you, i got no instructions what so ever with theese, and the factory dust covers that go around the struts polished shaft won't fit inside of the J&M mounts
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Old Jun 4, 2009 | 07:56 PM
  #5  
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From: Milwaukee, Wisconsin
Car: 1987 IROC-Z
Engine: 383 with Edelbrock ProFlow EFI
Transmission: TH350
Axle/Gears: 12 bolt 3.73 Eaton posi
Re: J&M strut mounts

Maybe my fingers are stronger then yours, but I was able to move them by sticking my index finger in them and turning it with my left hand (I'm right handed). They should be difficult to move, but it wasn't really that painful for my finger when I was moving mine. Then again, I don't want to be doing that all day either.

Like people said, they don't come with directions. If you need help with how the bolts and washers and what not go on, just ask. If I look around I may even be able to find what the recommended torque specs are for the bolts on the extra inner adjusted. Should I look?

You'll love that setup if your car is just a weekend warrior. I use my car for daily driving (~3k miles/year), and I do a ton of autocrossing (12+ each year) and wish my front spring rates were a little higher then what the Pro-Kit is. However, each person has their own ideal setup. Enjoy it!

Mike
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Old Jun 11, 2009 | 07:12 AM
  #6  
EGG's Avatar
EGG
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From: perth, aus
Car: 88 Trans Am
Engine: 305 TPI
Re: J&M strut mounts

Thanks guys

I called up J&M who said that's how stiff it's meant to be.
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Old Dec 23, 2009 | 08:47 PM
  #7  
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From: Middletown, MD
Car: 1983 Z28
Engine: 305
Transmission: 700R4
Re: J&M strut mounts

I just got mine today, anyone have instructions on how these go together? Torque specs?
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Old Dec 24, 2009 | 12:05 AM
  #8  
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From: Milwaukee, Wisconsin
Car: 1987 IROC-Z
Engine: 383 with Edelbrock ProFlow EFI
Transmission: TH350
Axle/Gears: 12 bolt 3.73 Eaton posi
Re: J&M strut mounts

Originally Posted by lonesomeloser
I just got mine today, anyone have instructions on how these go together? Torque specs?
I just went out to take some pictures. Sorry about the dust in the first pic... the car has been sitting for several weeks while I've been working on it. The wiring in the pic is from the hack job the previous owner did... Anyway, I'll look through my pile of papers for the torque specs tomorrow if I have time. You can try e-mailing J&M for the torque specs but the might not get back to you for a few days since Christmas is upon us.

J&M strut mounts-pc240216.jpg J&M strut mounts-pc240219.jpg J&M strut mounts-pc240221.jpg

Happy Holidays,
Mike
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