What else to replace while fitting new coilovers?
02-21-2018, 04:37 AM
#1
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What else to replace while fitting new coilovers?
Hi all,
I have just purchased H&R coilovers for my 1998 c2 which I will be looking to fit in the coming weeks.
Question - is there anything that I should replace at the same time? Ie shock mounts etc. I will be paying a workshop to do the work so I need to get all the parts together along with the coilovers.
Thanks.
I have just purchased H&R coilovers for my 1998 c2 which I will be looking to fit in the coming weeks.
Question - is there anything that I should replace at the same time? Ie shock mounts etc. I will be paying a workshop to do the work so I need to get all the parts together along with the coilovers.
Thanks.
02-21-2018, 06:50 AM
#2
Rennlist Member
Suspension is a slippery slope! At the very least you need to check the top mounts for cracking/tearing in the rubber - replace if necessary. The sketchy thing (not sketchy for ride quality😉
about the stock suspension is that it uses rubber in so many places - rubber wears out, dry rots, cracks etc. On a 15-20 year old car there’s a good chance that lots of things need to be replaced. The trick is figuring out which ones matter most and which can wait til the next round of maintenance...
about the stock suspension is that it uses rubber in so many places - rubber wears out, dry rots, cracks etc. On a 15-20 year old car there’s a good chance that lots of things need to be replaced. The trick is figuring out which ones matter most and which can wait til the next round of maintenance...
02-21-2018, 07:31 AM
#3
Drifting
Agree 100% with dporto. Top mounts are good candidates. I also often use suspension refresh time as an opportunity to replace hardware “while I’m in there”. Top mount nuts, lower nuts/bolts on the rear and drop links in the front. Depending upon how low you go, you may need adjustable drop links, and it is also a good opportunity to consider new (anti) sway bars. Beyond that, there are lots of related suspension bits that should be evaluated for condition and replaced as needed. If you are going low, or planning to track the car, you might need GT3 lower arms to get enough adjustment range.
Last edited by cds72911; 02-21-2018 at 09:16 AM.
02-21-2018, 08:22 AM
#4
Rennlist Member
Replace all bushings.
Replace coilover top mounts x4.
Replace roll bar drop links.
Replace brake flex lines.
Consider tie rods and ball joints (ball joints would be included on new lower control arms).
Consider rebuilding brake calipers x4 or installing rebuilt calipers.
Consider wheel bearings x4.
Your car is 20 years old now.
Replace coilover top mounts x4.
Replace roll bar drop links.
Replace brake flex lines.
Consider tie rods and ball joints (ball joints would be included on new lower control arms).
Consider rebuilding brake calipers x4 or installing rebuilt calipers.
Consider wheel bearings x4.
Your car is 20 years old now.
02-21-2018, 08:56 AM
#5
Rennlist Member
Replace all bushings.
Replace coilover top mounts x4.
Replace roll bar drop links.
Replace brake flex lines.
Consider tie rods and ball joints (ball joints would be included on new lower control arms).
Consider rebuilding brake calipers x4 or installing rebuilt calipers.
Consider wheel bearings x4.
Your car is 20 years old now.
Replace coilover top mounts x4.
Replace roll bar drop links.
Replace brake flex lines.
Consider tie rods and ball joints (ball joints would be included on new lower control arms).
Consider rebuilding brake calipers x4 or installing rebuilt calipers.
Consider wheel bearings x4.
Your car is 20 years old now.
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02-22-2018, 08:16 AM
#9
Rennlist Member
^^That's^^ easily a $10k bill right there...While it's certainly possible that all those things will "need" to be done at some point. I highly doubt that they have to be done at the same time. My rec. would be to determine/identify the most important things and prioritize their replacement/refurbishment on a maintenance timeline.
02-22-2018, 12:22 PM
#11
Rennlist Member
02-22-2018, 12:36 PM
#12
The top mounts are usually torn , any worn bushes , and depending on how low you go , you might need to add add adjustable drop links and rear toe arms .
i would think that would be the minimum you could get away with .
consider doing every bush . I did , and I decided the street powerflex bushes were the way to go , my reasoning was that besides the extra performance , they last 5x as long . These cars have complex multilink suspension , bushes are critical
i would think that would be the minimum you could get away with .
consider doing every bush . I did , and I decided the street powerflex bushes were the way to go , my reasoning was that besides the extra performance , they last 5x as long . These cars have complex multilink suspension , bushes are critical
02-22-2018, 01:24 PM
#13
Race Director
The OP mentions that he already got the H&R street performance coilovers - approx $2k right there. Even using 3rd party parts it'll be pretty easy to get to $5k if you start replacing things ***** nilly... Factor in the fact that he's going to have a shop do the work, I'd be willing to bet that he'll get pretty close to $10k including labor when all is said and done... Who knows what else they'll find/break once they get in there...
Even replacing all the coffin arms, track rods, and dog bones, along with tie rods, using Meyle, TRW, and Lemforeder parts, the total cost should be under $1500 for parts. Add in the $2k for coilovers, and you end up with $3,500. labor for this should not exceed $2500.
02-22-2018, 03:59 PM
#14
Rennlist Member
Here's a spreadsheet I made a while back on costs for parts from various suppliers.
https://docs.google.com/spreadsheets...it?usp=sharing
I didn't replace all these parts, though my suspension is a bit clunky so I should probably revisit it.
https://docs.google.com/spreadsheets...it?usp=sharing
I didn't replace all these parts, though my suspension is a bit clunky so I should probably revisit it.
