When I ordered mine, I asked the tech what the difference was. He said, if you do any aggressive driving (drag racing, auto-x, etc), the HD's will not last. So I went with the XD's.
With the power your making, I would try and save up for the swap/trade you mentioned. If you can't swing it, just replace the 3 pc bushing and drive it until you can upgrade.
What kind of deal did he offer?
How much do they sell 3 pc replacements for?
Can you even replace them? I never see bushings up for sale for MM LCA's.
That is pathetic that they know they are selling a product that won't last. HD means heavy duty. But, they won't last for drag/road racing!!!???
That isAll of their arms are 400+ and they don't last?
You can, they are listed for sale on their website.
I do agree that they are extremely misleading. When I originally did the suspension 4 or 5 years ago I don't recall them having any disclaimers or recommendations against using the HD arm's for drag racing. Come on guys…heavy duty control arms that can't be run down the track? Don't get me wrong, I'm still a believer of their products being of great quality…but honestly, why in the hell would you need an aftermarket control arm for mild street use and moderate horsepower levels only?
I really don't know why they even provide the HD's. The tech said they are strickly for on road use...no racing. I can't think of anyone who would want the benefit of aftermarket control arms and then not beat on the car.
But, that being said, the XD's are awesome. I've made around 40-50 passes since installing them. They are very consistent. 1.95 short times everytime on a lowered car with 17" street tires. I'd buy them again.
I have the HPM Mega Bite Jr's on my Cobra and on my 81 notch with the 2001 axle and motor trans etc.....
I haven't driven the 81, but my 96 has pulled 1.888 60fts with Nittos launching at idle. I have them on the top bolt too, which is 85% more traction over stock. I'm interested in moving them to the bottom bolt which offers 135% more traction over stock.
Good Luck Millhouse!! I hope you solve your problem.
Can you even replace them? I never see bushings up for sale for MM LCA's.
That is pathetic that they know they are selling a product that won't last. HD means heavy duty. But, they won't last for drag/road racing!!!???
That isAll of their arms are 400+ and they don't last?
you cant blame MM for someone not ordering the right part, thier stuff is quality and thier customer service is great, when i ordered my lowers the salesmen asked me how much power i was making/planning on making and he advised me to go with solid bushings. and ive seen alot of heavy duty stuff that is marked with a big HD on it and its junk, its like they said in tommy boy "they know all they sold ya was a guaranteed piece of ****. That's all it is, isn't it? Hey, if you want me to take a dump in a box and mark it guaranteed, I will. I got spare time."
there really isnt much middle ground if you wanna make power, there is always a sacrifice. you go with poly bushings and they are gonna break, and if you get solid bushings its gonna be hell on your tq boxes
The problem is, they are not the least bit heavy duty!!! Hell, I spoke with a tech today and he informed me he ripped them out on a stock 5.0l stang! Keep in mind too, I upgraded my suspension well before I upgraded my power....and from my understanding have changed their bushing design since then. I will say they gave me a great deal on replacement bushings, and their customer service has always been great. They did offer to do an exchange/credit for my current lowers...but I've decided to fix/sell them and switch over to some UPR's.
Millhouse, I agree. The HD's are not heavy duty at all. I'm surprised you weren't informed of this when you ordered them. When did you order them?
I think the XD's were created after they realized the weakness of the HD's.
Oh well, you will probably break even when it's all said and done. From following your posts, I know you drag race often. Let us know how the UPR's perform.
I purchased them ~5 years ago....and your right, I don't think the XD's were even around back then!
I'll throw an update once I get he UPR's in and to the track. I've got a feeling that he ripped bushings have been SEVERELY detrimental to my launching abilities (hence the horrible 1/4 times in sig).
The only reason I think that, is as soon as you tell MM you want the LCA's. You're hit with about 20 questions. How much HP, what do you plan to do with the car....etc. It feels like they do everything they can to steer you away from the HD's.
I bet you lost alot of lateral stability once the bushing went. Probably very inconsentent too. Should make a big difference.
The times in your sig, what tires?
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