Spring isolator, can I leave them out?
- Thread starter Duff
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ttocs
Post Whore
it depends on how low you want it to go. If you do take them out at the very least put a couple layers of electrical tape and it will help reduce noise.
badass98svt
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Back to stock? How come?
Michael Plummer
Active Member
My opinion,
Without isolators, you have metal-on-metal contact, and NVH (noise, vibration, harshness) will increase and this will affect your ride quality. I've read about people using an inner tube, electrical tape to help lower the NVH but honestly, do it the right way, and buy the right part for the job. I'm sure if you check CJ Pony Parts, LMR, or MM they sell spring isolators for your vehicle.
If you're looking for a certain ride height do it the correct way, get coil-overs where your ride height is adjustable or purchase an air ride suspension. And for the budget-minded, purchase a spring that gives you something close to the ride height you're looking for and use new spring isolators.
Good luck
Michael Plummer
Without isolators, you have metal-on-metal contact, and NVH (noise, vibration, harshness) will increase and this will affect your ride quality. I've read about people using an inner tube, electrical tape to help lower the NVH but honestly, do it the right way, and buy the right part for the job. I'm sure if you check CJ Pony Parts, LMR, or MM they sell spring isolators for your vehicle.
If you're looking for a certain ride height do it the correct way, get coil-overs where your ride height is adjustable or purchase an air ride suspension. And for the budget-minded, purchase a spring that gives you something close to the ride height you're looking for and use new spring isolators.
Good luck
Michael Plummer
terrible ride quality and tired of scrapping on just about everything.
All good points, I hadn't thought about coil overs, I'll look into those. I had no luck in finding finding stock 95 Cobra convertible springs ( 400 rate & 160 rate), so I'm looking at Moog that fit a 95 GT convertible, they have 383 & 174 rates.
Michael Plummer
Active Member
Trying to find the exact OEM spring rate is not going to be easy but without going into a long drawn-out discussion on spring rates just remember anything that adds or removes weight from a car will affect the optimal stiffness of a spring. So with that in mind I'll leave you with this. A higher spring rate reduces body roll, but it will produce a harsher ride. A softer spring rate will improve ride quality, but it will also enable the tires to follow uneven road surfaces for improved grip.
Good luck
Michael Plummer
Good luck
Michael Plummer
To answer your question: yes, you “can” leave them off. The wear and tear of the metal to metal is gradual and minimal or so I’ve read herein. But…
My unsolicited $.02 …… yes, I would still do the isolators. In all honesty, I don’t think they do “much”, but at least they serve as a barrier to metal-on-metal between spring and spring perch for very little money. IMO, they cannot hurt, so why not? And rubber vs polyurethane? They’re both gonna wear down and need replacing eventually, so pick your poison! Neither makes a huge difference in ride quality particularly in a stock suspension application.
Again, just my $.02 !
My unsolicited $.02 …… yes, I would still do the isolators. In all honesty, I don’t think they do “much”, but at least they serve as a barrier to metal-on-metal between spring and spring perch for very little money. IMO, they cannot hurt, so why not? And rubber vs polyurethane? They’re both gonna wear down and need replacing eventually, so pick your poison! Neither makes a huge difference in ride quality particularly in a stock suspension application.
Again, just my $.02 !
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Methodical
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How low is the ride? Were the springs cut or new springs. I installed MM adjustable coilovers and this was the best option for me because I needed to be able to adjust the ride height so I get the exact dimensions I wanted and have the ability to make sure each side is level. I removed the isolators of course. Plus, this is not a ride where folks are sitting in the back. I like a tight (not stiff) ride and don't care for spongy. The MM allows me to dial in exactly what I need to get the ride and height I want.
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badass98svt
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Your spring isolators are long gone if you're running coilovers. No need for an isolator if there's no spring in the perch.
J_lope82
Active Member
Cut the springs only one coil and install new isolators. I wouldn’t drive it without the isolators.
J_lope82
Active Member
So how did it go after all?
J_lope82
Active Member
Did you install the new springs with or without insulators ?
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I installed new insulators and also the factory rubber sleeves that fits inside the coils, maybe they're a damper? If I would've had help, I wouldn't needed a spring compressor, but working alone and being ancient, I couldn't push the control arm down far enough to get the spring in the seat, only lacked a half inch, but it was a no go for me. I had an internal spring compressor from putting springs in my 71 Mach 1, it really wasn't made for this job, it was tight slipping in, but had to disassemble the compressor when done, and take it out in pieces thru the control arm hole.
