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| Engine & Transmission - *Sponsored by Track Dog Racing* Engine and Drivetrain related chats can be found in here. Power modifications, build-ups, etc. |
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#2 (permalink) |
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Moderator
Join Date: Mar 2006
Location: South
Posts: 4,431
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Does nothing much for HP increase per se - spend your $$ elsewhere, but there is an acceleration diffference based on the damper preventing or dampening the movement of the engine under heavy RPM's.
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![]() The Blue Potato / 1995 NA8C Pitcrew #001 / R.S. Aizawa IRTB / RS Watanabe / KG Works www.thebluepotato.net | http://www.thebluepotato.net/blog/ |
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#3 (permalink) |
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Supporting Member
Join Date: Apr 2006
Location: Washington, DC
Posts: 12,191
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Jimmy said it helped a lot on his car to reduce rocking even with his Mazdaspeed motor mounts. I don't have one but that doesn't stop me from giving an opinion on the subject. I imagine it helps make upshifts feel a little more crisp and makes the throttle response feel a smidgen sharper. Only you can determine how sensitive you are to this. I wouldn't use an engine damper as a substitute for replacing worn out or damaged motor mounts.
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#6 (permalink) |
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Sponsor
Join Date: Aug 2006
Location: Clermont, FL
Posts: 902
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Freedomgli is right if you have worn motor mounts I would replace those first. Taka @ A-RF always uses them on his cars so I decided to start carrying them and they do work and will stay on my car. My engine use to rock like mad on start up with my IRTB's until it warmed up. Our Engine Damper is the same as all of your JDM shops carry. We carry them in Red or Blue.
Jimmy FujiRacing |
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#7 (permalink) | |
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Senior Member
Join Date: Apr 2006
Location: edinburgh, scotland
Posts: 1,213
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Quote:
What type of damper is that on your car ? I am looking to get one for my IRTB setup but I am also using my cusco front brace so I have fitment issues with the tuckin99/A-RF type ! |
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#8 (permalink) | ||
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Moderator
Join Date: Mar 2006
Location: South
Posts: 4,431
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Quote:
I need to find out if mind is adjustible or not - as it is VERY siff. |
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__________________
![]() The Blue Potato / 1995 NA8C Pitcrew #001 / R.S. Aizawa IRTB / RS Watanabe / KG Works www.thebluepotato.net | http://www.thebluepotato.net/blog/ |
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#9 (permalink) |
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Member
Join Date: Apr 2006
Location: Ga
Posts: 197
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:!: Other than looking cool as hell, I would say don't waste the $$$$$$. I good set of motor mounts would do the trick. But it's all in what you are going for........Peter you still haven't figured out how to adjust that thing??? Whats up with that?
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#10 (permalink) |
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Member
Join Date: Sep 2006
Posts: 387
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you can just make something similar for a few dollars at a hardware store
*hint hint* someone put together something like this for cheap as a kit so a lazy person like me does not have to go to the hardware store |
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Grip Gambler Chicago Street Drift Team Est. 2003 http://philstarsays.wordpress.com |
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#11 (permalink) |
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Supporting Member
Join Date: Apr 2006
Location: Washington, DC
Posts: 12,191
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Yes but a hardware store bracket will remove nearly all compliance which could have unintended consequences. A damper will dampen the motion but not necessarily prevent motion. It really depends on how stiff the valving is. They do look cool as hell, though.
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#12 (permalink) |
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Moderator
Join Date: Mar 2006
Location: South
Posts: 4,431
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And what Kyle says is true - if you do not dampen you will crack the engine block - I have seen this with badly mounted S/C blowers - that area where the engine is mounted need to have care, etc. But you can buy the motorcycle steering dampers cheaply enough on ebay - and then find your own hardware.
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__________________
![]() The Blue Potato / 1995 NA8C Pitcrew #001 / R.S. Aizawa IRTB / RS Watanabe / KG Works www.thebluepotato.net | http://www.thebluepotato.net/blog/ |
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#13 (permalink) |
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Member
Join Date: Jun 2006
Location: Bellevue, WA
Posts: 1,999
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Hrm.
Ya know... the firstgen Neons use one of those as a rear engine mount... it's subtle, it's black, Mopar Performance makes a cheap, upgraded unit. Hrm. I think i'm gonna find me a bobble strut in my crap at home and see if I can make a damper! I just wasn't sure how I wanted to bracket it to clear my strut brace until now. |
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-Matt '05 Elise, '99 Neon. No more Miata... for now. |
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#16 (permalink) | |
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Member
Join Date: May 2006
Location: Charlotte, NC
Posts: 1,169
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Quote:
I replaced my shot one with the booger unit...combined with deyeme flex/firm mounts, my Neon was one shaky car |
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#17 (permalink) | |
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Member
Join Date: Apr 2006
Location: WA
Posts: 526
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Quote:
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#18 (permalink) | ||
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Member
Join Date: Jun 2006
Location: Bellevue, WA
Posts: 1,999
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Quote:
But yeah, I've got a stock unit, and I think an MP one somwhere... it should make for a nice compromise between breaking things, and having nothing. If it doesn't work, i'm out a whopping however much the scrap steel and electricity to run the plasma cutter cost me. |
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-Matt '05 Elise, '99 Neon. No more Miata... for now. |
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#19 (permalink) |
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Member
Join Date: Apr 2006
Posts: 1,028
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peter-
how do you explain the change in acceleration? The engine damper at most prevents 20 degrees of engine rotation per gear, which equates to less than the firing of 2 cylinders for a full run through 5 gears. Why do you think limiting this movement changes acceleration? |
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2008 Redline TimeAttack! Grand Champion [img]hhttp://photos-g.ak.facebook.com/photos-ak-snc1/v271/25/27/561716982/n561716982_1086838_2140.jpg[/img] |
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#20 (permalink) |
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Member
Join Date: Sep 2006
Location: Huntington Beach
Posts: 233
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Wanna stiffen those motor mounts on the cheap? Check out this article I found at DSMtuners
http://www.dsmtuners.com/forums/showthread.php?t=205132 talk about ghetto, but I don't see why it won't work :-P |
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#21 (permalink) |
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Supporting Member
Join Date: May 2006
Location: Pinson, AL
Posts: 1,653
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Filling motor mounts with polyurethane is nothing new. 240sx guys have been doing it for years. Makes the car vibrate a good bit at idle, but beyond that its pretty nice. I did it to my S13 a few years ago. I liked it, but if you do a lot of stop/go driving, it may get on your nerves.
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Man, you know what reminds me of a 240sx? The 1984 Cadillac Eldorado. - VitaminT |
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#22 (permalink) |
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Member
Join Date: Sep 2006
Location: holly woood
Posts: 459
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engine dampers are usually mounted on the head, right? most drifters like to use them too i assume. i don't find this item more attractive over some nice motor mounts because of where its positioned and its function. it stresses the head and what keeps it down would obviously be your head studs. thats one reason i think fabbing one up and placing it whereever it allows u to is a bad idea. it may be useful on drift cars to dampen the motor's torque twist when they abuse their cars and clutch kick...but i only assume over long periods of useage even without abusive drifting habits will turn up negative results in the long run.
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MAX SPEED-shift_downHiGhWaYsT@R |
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#23 (permalink) |
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Member
Join Date: Sep 2006
Location: holly woood
Posts: 459
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i prefer stiffer motor mounts. but even that has its shortcomings. my dash would vibrate on 1st gear take off. and it changes the engine's natural harmonic balancing. even small engine mods that seem harmless actually has its flaws. one just don't know because we don't have the research equipment to delicately tune compared to the factory.
another way to look at this example is: stiff competetion suspension puts more stress on the body, right? your suspenson won't move, but there'll be more body twisting! somethings gotta compensate for it. i guess its what one's willing to deal with. i'm merely suggesting one should consider thoroughly before buying parts. having unneccessary parts will also bring in the unwanted problems with it. not to mention the more items to disassemble when u actually gotta fix something. just my opinion. only wanted to give something one can consider. |
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MAX SPEED-shift_downHiGhWaYsT@R |
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#24 (permalink) | |
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Member
Join Date: Jun 2006
Location: Bellevue, WA
Posts: 1,999
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Quote:
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__________________
-Matt '05 Elise, '99 Neon. No more Miata... for now. |
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#25 (permalink) |
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Senior Member
Join Date: Apr 2006
Location: Thousand Oaks, California
Posts: 3,830
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Today I started a bit aggressively in the traffic light (3K rpm) and the engine started to vibrate and hitting the hood from the SC side...as a result the whole hood was vibrating!!!
In the past I was getting only wheel hop, but now with the stiffer spring I'm getting move engine vibration! BTW I DO HAVE THE MS ENGINE MOUNTS So I think I need a damper, do you know if there is anything out there that will fit with a JRSC? |
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Chris Autokonexion Kevlar bumper and fenders 2096lbs FM 2.0L Stroker+GT2560+V-mount+1000cc ID+E85+22psi->335 whp Ford Motorsport Tremec T5z 5 speed transmission 275 Hoosier Koni 3011 coilovers 900 Lbs/inch springs - Daily Driver
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#27 (permalink) |
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Member
Join Date: Jul 2006
Location: Northern Kentucky
Posts: 145
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In order to fit the damper on a supercharger you will def. need one that mounts in front of the suspension tower. The 2 common ones will not fit (BR and weapon r) You might have luck modding the brackets on those, they place the damper behind the tower, you need one than is a straight shot over from the engine hoist hook/loop.
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#28 (permalink) |
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Member
Join Date: Jul 2006
Location: Fort Bragg, NC
Posts: 150
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When I was NA and could spare the room on the driver's side I used a solid "homedepot" turnbuckle brace, worked absolutely fantastic. Now I need to figure out how to make it work with the Turbo.
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'93 Greddy turbo 247/217 uncorrected @ 14 psi http://img.photobucket.com/albums/v6...Rdotnetsig.jpg |
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