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rushmore

my expierience with drummond motorsport

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Hello there, I wanted to let everyone know about my experience with the guys at DMS Wodonga and their street suspension.

Being quite new to club sprint and circuit, having predominantly been involved in drifting for 13 years, I was looking to upgrade my HSD coil over kit for something better suited to racing. Being a local Albury boy I did my research and figured I wanted to spend my money locally with DMS. I noted that the brand is big in 4wd and off-road rally and came highly recommended.

 

After the sales pitch about how their product is by far superior to competing offerings, I handed over $2100.00 for the Nissan S13 DMS street kit, I also had to supply my own top hats for front and rear.

Once manufactured, the fronts went in without issue, although the ride height was hard to set as you have to keep winding preload into the spring to lift it.

The rear is where the issues began, it would not fit on the first attempt. The body of the shock at the bottom mount hit the hub before even getting over the standard mounting pin. DMS had 2 attempts at correcting this before I had to get the car to the workshop for measure up

After a few days I received a call, “Your roll centres are no good, you need uprights”. The DMS billet uprights were approximately 2k and as I was not prepared to spend 4k for the set, I bought the GKtech front and rear knuckles.

A week later I got my car back and found that the rear knuckles had been modified to suit their coilover. The mounting pin had been moved and was a different size to standard S13 item. The coilover was now inverted with spring at bottom and damper control reservoir at the top. From here, this progressively got worse.

 

I had to adjust the traction arm forward, so the coil didn’t hit the camber arm, and I needed 20mm spacers so my 18x10+20 rims didn’t hit the reservoir. After complaining I didn’t think this was right I was informed “I have put too many hours into this set up and that’s the way it has to be”. I did insist the mounting block at the bottom be extended 20mm to clear the rear upright, I got my way and they just managed to fit the rears the normal way.

Ride height in the rear adjusted up and down by putting preload into keeper springs. There was so much droop the knuckles fouled on the suspension arms before the coilover was completely uncompressed - making life tough removing and fitting them to the car.

Performance wise, my car was infinitely more difficult to drive - Understeered, oversteered, body roll it had it all. I made adjustments to ride height best I could, adjusted dampers, and still it handled poorly.

My previous best at Winton was a 1:36.5 on second hand Nitto nt01 tyres. This was using HSD suspension and roll centres that measured underground. My new PB on the DMS set up was out at 1:44.4 on 1 session old Nitto nt01. I have now I ruined these tyres in 2 sessions, the suspension moving so much the tyres hit the guards and cut grooves into all 4 tyres to the wire.

I contacted DMS to discuss further and after an exchange of words they agreed to come to the track and help with testing. In the mean time I installed an Air Conditioner into their show room for free, including materials (they paid cost for the unit) all in good faith and to prove that there hours trying to make this work didn’t go unnoticed.

At the track we did damper adjustments, spring rate changes, camber adjustments, we took tyre pressures and temps and while the car did improve to a 1:37ish (timed on their phone) we are on a resurfaced track that people claim is 2-3 seconds faster - With that in mind, I’m still way off my first PB. We started with 275 pound springs in the back and 300 in the front and by end of the day we got to 500 pound springs in the rear and 550 in the front yet the car was still soft. Zip ties on the shock shaft are all the way to the top.

I was not satisfied that I had spent my $2100 at the best shop and took them up on one of their previous offers to return the suspension and get a refund. Waiting a week, the refund was put into my account $300 dollars short of the total spend. When I asked why, they informed me that there is a re-stocking fee. I totally lost my cool with this decision which has led me to write this blog so others do not potentially encounter the same poor service and support that I’ve endured.

To recap, I’m $300 down for a restocking fee, plus $800 down for a set of modified GKTECH rear knuckles that are good for nothing but their coilover’s, $700 down on materials and labour for the free split system install I did, and potentially $1400 for the nitto’s I ruined cutting grooves into them on the body work. That’s a total $3200 wasted, no suspension to show for it, and a PB that’s worse on a faster track. I should also add, this was over a 10 month period, so warranty period would have still applied.

 

I feel that at the very least DMS should have a duty of care to make sure their parts are compatible with OEM components and should provide a performance benefit that warrants the purchase price and the claims. When that’s clearly not the case, more should be done to ensure customer satisfaction and in this case I have been left highly disappointed.

Please do your homework before engaging DMS and hopefully you can avoid the same issues that I’ve encountered.

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Not that I have ever used DMS as I run MCA gold's, but at the track there are a fair few fast guys who run DMS and have none of the issues which you have highlighted.

 

Not really sure how you got put in this spot, but everyone else I know who runs DMS have had good experiences and rate the product highly especially for the price.

 

Sucks you got taken for a ride but it seems it's probably just a one off.

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Whether it's a one off or not doesn't really matter. The fact this blokes car left the workshop in the state that it did and the setup needed so many other mods for what should have been a simple coil over swap and was 7-8 secs slower on newer tyres is the real issue. He is pissed and rightly so.

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Report them to fair trading. I wouldn't let it go.

 

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Definitely don't let it go, they should be reimbursing you the total cost of the knuckles at the very least... I'd send them an invoice for the air conditioner install ($3200) plus an overdue fee ($300) after getting screwed like that.

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Based on what you have said and the fact they had to chop the knuckle to fit their suspension you should be taking this up legally.

 

Sure you can wipe the aircon install out the window as in the end that was you offering it to them, but in terms of everything else and especially the knuckles that are now useless they should be fessing up to covering costs

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Based on what you have said and the fact they had to chop the knuckle to fit their suspension you should be taking this up legally.

 

Sure you can wipe the aircon install out the window as in the end that was you offering it to them, but in terms of everything else and especially the knuckles that are now useless they should be fessing up to covering costs

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Fuck dude I'm not a suspension guru but that spring is going to hit that arm or close to it when it's compressed.

 

 

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Can you run the camber arm behind the spring and then lengthen the traction arm?

Shorting the traction arm usually induces more bump steer

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I feel that at the very least DMS should have a duty of care to make sure their parts are compatible with OEM components and should provide a performance benefit that warrants the purchase price and the claims. When that’s clearly not the case, more should be done to ensure customer satisfaction and in this case I have been left highly disappointed.

 

They're at fault for producing a rubbish product and hack-job modifications, but you're also at fault for being a moron. The very first issue was sufficient grounds to demand a full refund, and that's what a shrewd consumer would have done. Instead you wasted an amount of your time, $800 on knuckles you didn't need, $1400 on tyres you destroyed to prove that obvious garbage was indeed garbage, and tipped DMS $700 for fucking you in the arse.

 

By all means you should pursue Fair Trading to seek compensation, but don't kid yourself that you're a victim of anything beyond your own foolishness.

 

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Can you run the camber arm behind the spring and then lengthen the traction arm?

Shorting the traction arm usually induces more bump steer

 

I can't help but notice you run an s14/s15 style camber arms but it's an s13? Not sure how much that would affect the coilovers hitting the camber arms though

 

As for the traction arm, you have to run shorter as that's how gktech knuckle is setup, if you have it at factory length, one of the arms will not clear(was awhile since i did mine)

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i had to run the 14/15 arms, as the 13 ones (go both sides of the coil over) hit the canister where you adjust bump and rebound on these coil overs.

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What the fuck.

 

The base of suspension was never going to fit, so they decided to chop your upright to fit?

 

Come on, they seriously cannot be that stupid right?

 

Fuck that...

 

Take it up with Fair Trading!

 

Shops like that make me angry.

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Bunch of fucking coconuts aye..

$2100, doesn't fit and you needed to supply your own shit followed by a base that was made for a Commodore.

 

What cunts.

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no updates as of yet,

 

have forwarded all information with these photos, emails, and bank statements... also gktech quote from website to fair trading victoria. im in the que i suppose.

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Hope all go's well mate.

 

This a fucked up situation.

I can't imagine what bright spark went off in their head when they did that shit.

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The main thing i had gathered about DMS was their services cater more to the fully funded race/rally teams who are constantly servicing/rebuilding throughout a season and are paying for it. This model obviously doesn't apply to the average punter who only spends on the initial layout.

When i was deciding on coilovers, i had a chat to Drummond M'sport (DMS), MCA and Shockworks, I found with Josh and Murray at MCA were the most focused on the customer and their needs hence the custom application-specific shock valving and spring rates to match the way the car is being used.

When i asked DMS about their take on MCA, they simply said theirs is 2 way adj. And their shocks are made all in house, which must be why they were superior. Nothing about the car specific development for ride quality or performance on track. DMS are also renowned for not honoring warranty claims and exhorbitant service charges for maintenance.

IMO for anyone looking to getting into suspension that can be locally serviced, look into MCA in QLD, Bilstein by Heasmans in NSW, Shockworks in VIC and Supashock in SA

All are currently competing on the world stage of motorsport and offer great after sales service.

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