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01-23-2012, 11:14 AM | #1 |
ULTIMATE
Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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My $67 sound dampening / undercoating
I have been meaning to paint the inside of the wheel wells since I bought my Yaris to get rid of the patchy look of some visible paint and some patches of seam sealer.
This Saturday I was planning on doing an oil change and figured I would do something with the wheel wells while I had it up on the lift. Doing a little research on coatings for the wheel wells, I found that Herculiner paint-on truck bed coating seemed to be a good choice. It is a urethane rubber based coating and is promoted as being for both truck bed protection and undercoating. For $67 for a gallon, I figured it was worth a shot. I wanted something that could be brushed on to avoid the mess of overspray. Herculiner.jpg I initially applied two coats to the wheel wells. I then got under the car and coated the floor pan. This morning it was done curing, so I took it out for a test run. The roads were wet and coated with sand from Saturday's snow storm. I was extremely impressed with the sound dampening that the coating provided. Yaris - Undercoating.jpg Yaris - Undercoating2.jpg Yaris - Undercoating3.jpg
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01-23-2012, 11:49 AM | #2 |
Drives: '08 LB MT Bayou Join Date: Oct 2008
Location: Colorado
Posts: 1,671
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Nice. Very jealous of your lift.
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01-23-2012, 12:03 PM | #3 |
Mr. 155 and climbing
Drives: Seriously Modded 07 Sedan Join Date: Jun 2006
Location: In The Hotbox
Posts: 4,742
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Additional weight?
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Team Tiamat Racing on Facebook Youtube Channel: Team Tiamat Racing Class record holder in Land Speed @ 154.5mph for 1.5 mile and 145.5mph in the mile in the F (2.016 to 3.014 L), G (1.524 to 2.015 L), and H (1.016 to 1.523 L) classes. |
01-23-2012, 12:53 PM | #4 |
ULTIMATE
Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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Negligible as compared with something like dynamat. An entire gallon weighs about 10 lbs and I only used about 1/3 of the gallon. I think I have enough left to do Crashy and my Tacoma.
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01-23-2012, 10:39 PM | #5 | |
Mr. 155 and climbing
Drives: Seriously Modded 07 Sedan Join Date: Jun 2006
Location: In The Hotbox
Posts: 4,742
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Quote:
wow...very nice! you should coat all over crashy...haha...that would be interesting
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Team Tiamat Racing on Facebook Youtube Channel: Team Tiamat Racing Class record holder in Land Speed @ 154.5mph for 1.5 mile and 145.5mph in the mile in the F (2.016 to 3.014 L), G (1.524 to 2.015 L), and H (1.016 to 1.523 L) classes. |
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02-07-2013, 06:26 PM | #6 |
Drives: 08Yaris2D, 88LandCruiser. Join Date: Jan 2013
Location: Alameda,Ca.
Posts: 476
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Took 3 gallons for 2 thick coats on my LC
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02-07-2013, 09:33 PM | #7 |
ULTIMATE
Drives: 09 5dr LB, 2x 08 3dr LB Join Date: Oct 2008
Location: USA, CT
Posts: 13,460
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I just realized that it has been a year since I undercoated it. Since Crashy and my 09 are in opposite spots in the garage in preparation for the impending blizzard, I put the 09 on the lift to see how the Herculiner is surviving. Not a bit has flaked off, even with the wicked road salt around here.
Hercu - Under.jpg Hercu - Rear Fender.jpg Hercu - Rear.jpg
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01-24-2012, 02:16 PM | #8 |
Drives: 2010 Yaris hatch Join Date: Mar 2011
Location: CA
Posts: 133
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Even if it weighed 50 lbs, it would have a negligible effect on...well, anything! I plan to do something like this soon, the road noise is bad on these cars. Thank God the engine is fairly quiet at speed.
Good job! I never thought of bed coating... It dries very hard then?
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"I like the dreams of the future better than the history of the past" - Patrick Henry |
01-24-2012, 11:22 PM | #9 | |
Mr. 155 and climbing
Drives: Seriously Modded 07 Sedan Join Date: Jun 2006
Location: In The Hotbox
Posts: 4,742
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Quote:
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Team Tiamat Racing on Facebook Youtube Channel: Team Tiamat Racing Class record holder in Land Speed @ 154.5mph for 1.5 mile and 145.5mph in the mile in the F (2.016 to 3.014 L), G (1.524 to 2.015 L), and H (1.016 to 1.523 L) classes. |
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01-25-2012, 08:51 PM | #10 | |
Drives: 2010 Yaris hatch Join Date: Mar 2011
Location: CA
Posts: 133
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Quote:
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"I like the dreams of the future better than the history of the past" - Patrick Henry |
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01-25-2012, 10:32 PM | #11 | |
Drives: 2005 Toyota Echo Join Date: Aug 2010
Location: Brampton, ON
Posts: 505
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Quote:
I can just barely feel the difference when I pull my sub box + amp out... and it's pushing 90lbs. CTScott, do you have any vids of your mufflerless exhaust? Just wondering how it sounds.
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2006 Saturn Ion Redline 2005 Toyota Echo RS 4dr hatch - Cyl #3 bad - sold 2000 Toyota Echo 2dr coupe - The track car - rusty & scrapped |
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01-25-2012, 11:47 PM | #12 | |
Pirate Yaaaaris
Drives: '00 Toyota Celica GTS 6MT Join Date: Aug 2009
Location: Savannah, GA
Posts: 573
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Quote:
But if you notice 50 lbs (which must be a hell of a hard hitting woofer), then more power to you. My butt dyno isn't that sensitive. Scott, I'm thoroughly envious of your lift. And I may do the rubber brush on coating now. I've already done spray on bedliner and it made an appreciable difference, but I only did two coats on the wheel wells. I didn't do anything under the center of the car. -C
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Georgia Bulldogs! '09 Yaris LB 5MT Sold. |
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02-07-2013, 04:22 PM | #13 |
Drives: 2('14+'07)MT 3d ,wHandCrWndws! Join Date: May 2009
Location: S.MontgomeryCnty,TX(HoustonMSA) '07=BayouBlue=300,125miles=OrigOwnr '14=ClassicSilvr=29,059miles
Posts: 4,839
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Good to know. For everyday driving (unless going away on a trip), I'm going to remove mine. I have tire sealant and am paying extra for AAA plus coverage (longer free towing range). I've never needed either within my metro, but they'd be available if need be. Normally painless and transparent ways to increase MPG = all good in my book. I just thought (not based on more than a vague hunch really) removing it wouldn't make any difference. I trust your judgement. I don't think you would write this unless you had noticed a difference (even if it isn't much). Come to think of it, I can't remember the last time I had to put the spare to use in a car.
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02-07-2013, 04:53 PM | #14 |
Drives: 2('14+'07)MT 3d ,wHandCrWndws! Join Date: May 2009
Location: S.MontgomeryCnty,TX(HoustonMSA) '07=BayouBlue=300,125miles=OrigOwnr '14=ClassicSilvr=29,059miles
Posts: 4,839
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^^^^^ Oops . I just read your other posts (and other's posts) on this thread and realize the difference you are referring to = in performance not MPG. Amazingly faulty assumption on my part, especially since you are 'Mr. 143'. Re my Yaris, I am probably too clouded by MPG as a first thought.
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02-07-2013, 04:56 PM | #15 | |
Drives: 2('14+'07)MT 3d ,wHandCrWndws! Join Date: May 2009
Location: S.MontgomeryCnty,TX(HoustonMSA) '07=BayouBlue=300,125miles=OrigOwnr '14=ClassicSilvr=29,059miles
Posts: 4,839
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^^^^^^^^^^^^^^^^^ Above (post #37 meant to appear below #36 but system posted to top of new page instead)
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01-25-2012, 11:10 PM | #16 | |
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01-23-2012, 12:43 PM | #17 |
nice! I went with the more traditional fatmat at 1$/sq foot lol. I used only 50ft out of the 100 i bought, but plan on using a weee bit more when it warms up for the extremely noisy engine.
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01-24-2012, 02:19 PM | #18 |
advocatus diaboli
Drives: 07 Yaris hatch Join Date: Mar 2011
Location: San Jacinto California
Posts: 1,126
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Man, that lift is awesome...I'm drooling all over my desk!
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