JBR MAZDA 3/5 & MAZDASPEED 3 Rear Motor Mounts in Stock!!

[JBR]

Originally Posted by tddvrrn ETA for other engine mounts? months? years? i'd like to get them from you, but if it will be a while i may get a trans mount from elsewhere then sell it when yours come out.. impatience is key.

Late summer early fall.

[Mits]

What company do you use to ship these? And also what company to the Canada do you use?

Thanks

[midoritora]

got my molly in the mail today. so you can disregard my email i sent ya. lol damn u guys are fast. now to get this baby installed.


midoritora

[tikibug]

Finally got around to putting in the dogbone Chrome-Molly mount this weekend and holy crap. As soon as I turned the key after the install I could tell the difference, the car had a more noticeable growl to it. Took her around the neighborhood a few times and the difference is outstanding, no more fancy clutch-play to keep the thing from bucking around on start-up/shifts, the engine feels solidly strapped to the rest of the car now. Like someone else on here said, it feels like it's all working as one single unit, rather than the engine awkwardly dragging the car along. As far as vibrations, they definitely are noticeable. Personally I don't mind, I think from the inside it makes the car sound mean as hell, but there are a few resonances at certain RPMs where things get extra loud and make me wonder how much the car is getting shaken apart. As this speed's a daily driver, that'd be the only reason I'd possibly sell off this mount and go with one of the billet pieces. For now though, I'll let the poly get broken in and see where the vibrations are after that.

Regarding the product itself and JBR, all I can say is top-notch. The service was fast and the price was good, and the mount is cleanly made and very solid. Jamie, you make some good shit.

[midoritora]

i just wanted to add my quick review for the molly mount as well. i have total noob status when it comes to working on cars. even after reading lots of information on this site, i really didn't know what to expect from adding this mod to my car. so i got nator'ed up at hq and slapped the mount on.

wow, is my first reaction after taking it for a test run. the car feels like it just wants to go now; no wheel hop, power just gets laid down to the ground. maybe it's the placebo effect, but to me it seems like my feels tighter as well.

as for nvh...this was my biggest worry because it is my dd. again, noob status no idea what to expect...yes there is an increase, however, it's only at start up and certain low rpm ranges (about 1200-2000 for me). but it's nothing earth shattering, more like a cheap massage chair at the lowest setting. i actually like it because, it makes the drive more enjoyable; it's easier to feel/listen to what the car is telling me now (if that makes sense)

so, at not even a week, i am very impressed with this product, and the quick service from jbr. intall was easy with the instructions from the jbr site and nator hq.

thank you~!

midoritora

[jared.]

I definitely need one. can't wait

[Speed3eak]

Also, I don't know if I posted this in this particular thread - remember guys, that driver311, who's pushing 400whp, is using all stock mounts, except for the rear, which he filled with urethane.

Chances are you're making less power than him, so if the side mounts are anything like the rear mounts that are being offered, then it is 100% worth it to wait.

I got my rear mount over a year ago, but if the JBarone mounts had been out then you better believe I would have picked one up. I'd like to see a comparison between the JBR 80 duro and the cp-e 75 duro - my guess is that the JBR would be at, near, or possibly even below the vibes of the cp-e.

Jamie, I know you say that the washers that the cp-e use contribute to the "noise" or "vibrations" of the mount, but tbh there's enough pressure on them I can't see them moving around enough to create any extra chatter or vibrations. I think the cp-e is a very well designed mount, much like your own, and I think a shootout between the two would make for an interesting read.

[JBR]

Originally Posted by Speed3eak Jamie, I know you say that the washers that the cp-e use contribute to the "noise" or "vibrations" of the mount, but tbh there's enough pressure on them I can't see them moving around enough to create any extra chatter or vibrations. I think the cp-e is a very well designed mount, much like your own, and I think a shootout between the two would make for an interesting read.

I should have been more clear....You are correct the spacers are in there very snug and tight; it's all that metal surface area in contact with the sub-frame which "in my opinion" contributes to the added NVH. Not they are loose and or vibrating. I believe that having just bushing in contact with the sub-frame reduces the noise and vibes considerably.

Thanks,
Jamie

[Speed3eak]

Originally Posted by jbarone I should have been more clear....You are correct the spacers are in there very snug and tight; it's all that metal surface area in contact with the sub-frame which "in my opinion" contributes to the added NVH. Not they are loose and or vibrating. I believe that having just bushing in contact with the sub-frame reduces the noise and vibes considerably. Thanks, Jamie

I see what you're saying, but in my opinion/experience, metal on metal contact doesn't necessarily serve to increase noise/vibrations. When two separate pieces of metal are pressed together snugly, they vibrate as though they were once piece (again, in my experience). Plus, the engine is still connected to the subframe via the mount, so if the metal pieces effectively vibrate at the same rate/intensity as the subframe, IMO the difference comes down to the material.

I don't know the characteristics of urethane vs. epdm, tensile characteristics or otherwise, but it occurs to me that the cp-e design (especially the shape of the spacers), seems to allow a less stiff material effectively behave like a much stiffer one, when you consider how the forces are applied and distributed to an engine mount. The shape of the spacers appear to progressively distribute force towards the center of the mount (where the material is thinner) with engine load, and conversely away from it under low-load situations.

Now, this may or may not be the case, but those were my thoughts initially upon receiving the cp-e mount. If the EPDM does fail, CP-E offers a lifetime warranty on all of their products, so in my case driving gently for a week while the stock mount is still installed would not be a deterrent to purchasing the cp-e mount.

Like I said before, if your RMM had been out, I would have absolutely bought it without hesitation before any other mount. I just think that the fact that you name the cp-e mount off hand/casually and point out what you believe to be design flaws with it is unfair to cp-e without a counterpoint opinion. I'm sure you there are aspects of every mount that you can critique (hence why yours doesn't look like any other mount), it just occurred to me that the cp-e was targeted disproportionately in this discussion.

[Dawgbizkitz]

I met up with Jamie today and bought one of the 70d mounts from him. Installed it this afternoon. The difference between JB's and the stock mount would be like comparing apples to oranges. Only noticeable vibration is stopped at idle. It is very mild steering wheel vibes. Otherwise, feels like stock except the car feels better in shifts and wheel hop has been drastically reduced. Keep in mind that I replaced a stock RMM with 62k miles on it with this so as you can imagine the improvement.

[Dawgbizkitz]

Originally Posted by Dawgbizkitz I met up with Jamie today and bought one of the 70d mounts from him. Installed it this afternoon. The difference between JB's and the stock mount would be like comparing apples to oranges. Only noticeable vibration is stopped at idle. It is very mild steering wheel vibes. Otherwise, feels like stock except the car feels better in shifts and wheel hop has been drastically reduced. Keep in mind that I replaced a stock RMM with 62k miles on it with this so as you can imagine the improvement.

Update: I'm about 300 miles in with this mount. I don't notice the vibration anymore. I'm still retaining the improved shifts and lack of wheel hop. The steering wheel vibration has ceased. Thanks again Jamie.

[tddvrrn]

anyone compared the molly to the trz? molly's bushings look bigger. not by much, but it may eliminate some nvh...

the reason i was considering all the mounts is my quest to eliminate drivetrain bounce. with the trz it was gone, but the vibes were nutty. with my su the vibes are barely there but the bounce is back, but not as bad as stock.

maybe the jbr 80 billet..?

fuck, i don't know!

[08.5MS3]

Originally Posted by tddvrrn anyone compared the molly to the trz? molly's bushings look bigger. not by much, but it may eliminate some nvh... the reason i was considering all the mounts is my quest to eliminate drivetrain bounce. with the trz it was gone, but the vibes were nutty. with my su the vibes are barely there but the bounce is back, but not as bad as stock. maybe the jbr 80 billet..? fuck, i don't know!

In due time man. These came out yesterday!

As for your dilemma...the Molly will be similar to the TRZ. Go with the 80 billet.


Tapawhat?

[Chief_Wiggum]

Installed Jamie's 70 duro RMM yesterday; I was surprised by how much it improved shift action. It also feels more solid than the AWR RMM I replaced. I've only noticed some vibration at idle with the A/C on, but it doesn't bother me at all.

The JBR trifecta (bushings, SSP, heavy knob) should really be the superfecta; bushings, SSP, heavy knob AND RMM. As always, great stuff Jamie...keep it up!

[specvspeedfreak]

just got mine in .. gotta say, its such nice piece. I don't remember the SU mount i had being this nice.. Its a solid piece... it's lot thicker than it looks in the pics... and i like how the bushing doesn't stick out the ends like torque solutions and Sure.. that lil bit you see in the his pics is a flap..the entire bushing is inside the mount. Awesome work James!

[BLK_MS3]

So Jamie I see it says your mounts have less vibs then the others. How much difference between the 70 and 80 duro then? They seem so close, no?

[specvspeedfreak]

so after installing it I see why the dog bone style is superior in rigidity. Tightening down the supplied bolt ,you can see the mount move/flex..After installing it last night and going for a quick drive;i gotta say at first i didn't know what to look for as far as improvement..its been a while since i had a rmm.. But today i noticed getting into any gear feels better.. You don't feel you have to baby it.. There is not much movement in the drivetrain..as for wheel hop I don't know, I haven't tried launching yet.. Vibs? so minimal its not worth mentioning < and its not broken in yet..I would say the 80 duro billet style would be just fine aswell.

Update:.. feel the vibs more now.. its not there so much when you first start the car..but after when you come to a light..but nothing crazy, just more than I had felt.Still not broken in.... I gotta re-tighten it to 70lbs cause i know its a lot more now..heard it might cause more vibs if you over tighten..not sure why or if it true but ill tighten per instructions.

[JBR]

Originally Posted by BLK MS3 So Jamie I see it says your mounts have less vibs then the others. How much difference between the 70 and 80 duro then? They seem so close, no?

A bit more, but well with in the range of tolerance.

Thanks,
Jamie

Originally Posted by maxed_out_saloon just ordered the 80duro. cant wait to get it and install it

The 80's should be shipping out towards the end of the week.

Thanks for the order.

Jamie

[BLK_MS3]

Originally Posted by jbarone A bit more, but well with in the range of tolerance. Thanks, Jamie

Cool, but I guess for a 60 mile a day daily driver you would recommend the 70? I want as few vibes as possible.

Thanks!

[Fozzy]

Just ordered a 70d, along with a new knob and RSB. Can't wait to get everything!

[maxed_out_saloon]

just ordered the 80duro. cant wait to get it and install it

[tddvrrn]

^ i bet you won't even notice the vibes if you get an 80, at least once it's broken in..

stay away from the dogbone style mounts if you don't want noise/vibes. i had a trz and the drone that thing brought into the cabin was too much, especially at highway speeds.

that being said, it was one solid mother!

[PapaSmurf]

Just ordered my 88 duro dogbone molly mount.... Holla at your boy!

[burntRice]

Just got the shipping confirmation!

[Buddhamonk]

I just ordered the 70D after spending 3 days reading all the posts on RMM. Sounds like the JBR is the way to go since the CPE is on back order on SU website. Looking forward to trying it out.

[maxed_out_saloon]

hey jamie, have the 80duro mounts been shipped out yet. im itching to get mine installed

[JBR]

Originally Posted by maxed_out_saloon hey jamie, have the 80duro mounts been shipped out yet. im itching to get mine installed

No, unfortunately not. It looks like the uptick in the economy has pushed those of us not spending 100K back in the line a bit, and my manufacturer is running behind trying to fill some larger orders that CAME IN AFTER MINE. AND I"M PISSED ABOUT IT. (End Rant)

Looks like another week and a half. I would be happy to refund the few 80 duro orders pending if you guys would like to go with someone else. I totally understand.

Thanks,
Jamie

[maxed_out_saloon]

Originally Posted by jbarone No, unfortunately not. It looks like the uptick in the economy has pushed those of us not spending 100K back in the line a bit, and my manufacturer is running behind trying to fill some larger orders that CAME IN AFTER MINE. AND I"M PISSED ABOUT IT. (End Rant) Looks like another week and a half. I would be happy to refund the few 80 duro orders pending if you guys would like to go with someone else. I totally understand. Thanks, Jamie

ok cool thanks for the update. and no its cool ill wait it out for ur mount to be done. thanks anyways

[PapaSmurf]

Got my Molly dog bone mount in today but no hardware :-( was going to install it along with my tranny mount this weekend but looks like I'll only be doing my tranny mount since the hardware won't get here till the 25th.

Product looks great jamie and thanks for the great customer service!

[foodtime]

Originally Posted by MicaBlueMS3 Got my Molly dog bone mount in today but no hardware :-( was going to install it along with my tranny mount this weekend but looks like I'll only be doing my tranny mount since the hardware won't get here till the 25th. Product looks great jamie and thanks for the great customer service!

why did you go with the Molly dog bone? tracking your car?

[PapaSmurf]

Originally Posted by foodtime why did you go with the Molly dog bone? tracking your car?

Yes and no.

I go to the track about once a month and the 60 duro CPe mount I have just isn't enough, it's good for a DD'er but not good at all on the track.

Also the dog bone high duro mounts make your tranny shift that much smoother and gives u even a less chance to miss a gear. I could care less about vibes, I just don't want my engine to move so it can put more power to the ground and keep the wheel hop minimal. I'm also going to be putting on a tranny mount with this dog bone rmm and than am going to wait till Jamie cones out with a passenger mount and pick that up also.

[OneBAMFpog]

I just ordered my dogbone mount too

[PapaSmurf]

Originally Posted by KiddMnKy I just ordered my dogbone mount too

Be prepared for hella vibes. :-)

[JBR]

Originally Posted by MicaBlueMS3 Be prepared for hella vibes. :-)

I's not that bad.

[PapaSmurf]

Originally Posted by jbarone I's not that bad.

i guess coming from a broken 60 duro cpe rmm, its a big difference. haha

i dont mind it at all, just saying.

[silvapain]

Originally Posted by jbarone I's not that bad.

How does it compare to the TRZ dogbone-style RMM? I'm curious, as my poly TRZ dogbone causes serious NVH at about 1500-2000 RPM.

[PapaSmurf]

Originally Posted by silvapain How does it compare to the TRZ dogbone-style RMM? I'm curious, as my poly TRZ dogbone causes serious NVH at about 1500-2000 RPM.

That's were I get NVH at with the JBR. 1500-2000

[JBR]

Originally Posted by MicaBlueMS3 That's were I get NVH at with the JBR. 1500-2000

Depending on how much you drive; in about 3 weeks it will be pretty much gone.

Jamie

Originally Posted by KiddMnKy Small vendors have no excuse for not shipping out quickly unless they are out of stock.

I agree; but I also feel that large vendors should ship out quickly as well.

I ship everything in less than 24 hours. In most cases it's within a few hours of the order being placed so it can get on the truck the day it's ordered.

Thanks,
Jamie

[danxk3nnz]

Originally Posted by MicaBlueMS3 That's were I get NVH at with the JBR. 1500-2000

Same here.

[OneBAMFpog]

Small vendors have no excuse for not shipping out quickly unless they are out of stock. I had a tracking number withing 45 mins of ordering my JBR dogbone today.