Summer MODFEST 2010! - DodgeIntrepid.Net Forums - Dodge Intrepid, Concorde, 300m and Eagle Vision chat
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post #1 of 27 (permalink) Old 07-21-2010, 03:52 AM Thread Starter
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Smile Summer MODFEST 2010!

As posted on another forum....I present Summer MODFEST 2010!

This is sort of a "deja vu" year for me as I'm doing almost the exact same mods this year as I did in MODFEST 2007 and 2008. I'm playing catch up to get my 300M Special back up to where the Intrepid was.

Anyway, here's a rundown on what I've been up to the last few days....


As posted on the 17th:


Howdy y'all....coming to you from the middle of nowhere, Deep East TX! (aka a dark, muggy forest!)

Its still in the 80s with stifling humidity. Temps on the way here measured as high as 104F. The swamps a few miles away are steaming.

I have no parts.....so how the heck is MODFEST starting?
Week one is salvage week. Parts for the 300M will arrive later this coming week.

The powertrain is being lifted out this weekend...I *might* have a buyer for it already.

The rest will be put up for grabs as it's removed. The only thing I'm keeping is my PCM....the rest goes in a series of CL ads but of course, forum members will get first dibs on stuff.

Pics to come later...

Later that day....



Work is stopped for the weekend due to storms knocking out power and the lack of a very critical tool.

I've got most of the interior stripped down. The place where I was going to rent the cherry picker is not open today...the engine will wait until Monday as the tractor wont safely fit under the awning.

OK....the next pics are not pretty. I don't screw up with driving often...when I do, it's a spectacular screw up.

Doesn't look TOO bad from this angle....don't be fooled.


OUCH.... frame twisted upwards vertically on the driver side. She's done....and this is why I now have the Special.
The engine is fine and even with the damage it still sounds mean.


Welcome to Hardwareguy's Salvage Yard.....need anything?


Yes...that's an Autostick cluster....and yes, it's for sale.


I also have ATC parts and a nice blower motor that's only a couple years old.


BCM, ABCM and some climate control actuators...


July 18:


Today was farm maintenance day..... and I feel stupid. I went on a tractor without sunscreen. My *knees* are sunburned.

Its driving me crazy.

EDIT... It's 2:35am and it still burns like fire. I hope it doesn't peel. :|

July 19:

Mother Nature is trying to derail MODFEST.....screw Mother Nature!


The Oncor lineman came out and replaced the cutout 2 hours later. This whole house surge arrester works great! We took a direct hit to the primary about 500 feet from the house....no damage to report!

July 20:
A *huge* order of parts has just gone through.....

What's coming in the boxes come Friday?
Two Dayton RS180 7" woofers
Two Tangband W2-803SM 2" mid-tweeters
Two PowerAcoustik 3 way four channel active crossovers
One MB Quart DSC 450 4x50W amp
20 sheets of Damplifier Pro
Some miscellaneous wiring bits to fit it all together.

The above items will join the old Intrepid system to form a totally new level of sound.

For the record, the old system was:
Two Dayton RS-150 6" woofers up front
Three tangband W2-803SM midtweeters up front
Custom passive crossover made for 350Hz at 6dB/octave for the front.
Two Infinity Reference 6x9" in the rear
One Rockford Fosgate P450.4 for main power
One Clif Designs CD6.2LX monster amp powering the sub
One Dayton Titanic MK-III 12" sub in a 1 cubic foot sealed box.

The NEW system:
Dayton RS180 7" in the front doors.
Tangband W2-803SM 2"in the sails
Tangband W2-803SM 2" in the dash
RS150 in the rear deck and 2" Tangbands in the rear doors.
MB Quart DSC450 amp powering the Tangband 2" drivers
Rockford Fosgate P450.4 powering the Dayton RS midbasses.
Active Xovers set at 500Hz 12dB/octave and 80Hz for the sub.

The steeper crossover slope and higher frequency will fix the power handling issues the old system had. The bottom line? More power and more tweakability for lower distortion. A side effect is that it will be capable of ludicrous volume.....great for those impromptu sound offs where the finer aspects of the system would quite literally fall on deaf ears. (the old system sounded good but you couldn't crank it up without worrying about stuff)

The 7" in the doors is going to put the midbass where you want it, in the main soundstage, not in the trunk! Bass guitar, string bass, cellos, pianos, organs and smaller drums will sound much more natural.

30 lbs of deadening should shut up the road noise a bit and keep it from rattling like a donk from the ghetto. The bass needs to stay in the car with me!

Oh and by the way...my knees are still crispy....makes crouching down to work on things crazy painful. Dynamat day is going to be harsh!

2004 300M Special...257K miles. Original powertrain!
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post #2 of 27 (permalink) Old 07-21-2010, 08:28 AM
yippee ki yay

 
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i see your in abilene....i'm just down the street from you in fort worth.
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post #3 of 27 (permalink) Old 07-21-2010, 09:32 AM Thread Starter
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Yep, Abilene is home while Im on summer break.....Arlington during the year. I'm a EE major at UT Arlington.

Its a dry heat back in Abilene....what I'd give for that right now! NOAA is saying heat indexes of 104 today. Welcome to the hot sticky swamps of East Texas!
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post #4 of 27 (permalink) Old 07-21-2010, 11:06 PM Thread Starter
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More progress has been made dismantling the old car!

Uh oh....my friend has this evil grin. He knows hammer and sawzall action is close at hand. Everyone has a bit of inner redneck...MODFEST is our mullet-free way of expressing our inner redneck.


The powertrain is out and ready to be moved.


This can be yours....seriously, its a nice engine and transmission and I'd love to sell it.


Now you see how much damage there really is.....we would have had to weld on an entirely new front half to repair this.


Today was HOT....101F with a lot of humidity. Heat index was 104-106. We consume Gatorade at a rate that makes the powered mix a good buy. :P

Oh and check this out....the valves on the engine I pulled:

Pic was taken about 2 weeks before the crash. :|

2004 300M Special...257K miles. Original powertrain!

Last edited by hardwareguy; 07-22-2010 at 12:43 AM.
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post #5 of 27 (permalink) Old 07-21-2010, 11:26 PM
yippee ki yay

 
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it looks like your got everything under control over there but if you need some help with anything on your car let me know......I rebuld these motors in my sleep and have transmissions for breakfast on the side.
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post #6 of 27 (permalink) Old 07-21-2010, 11:51 PM Thread Starter
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You have a PM
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post #7 of 27 (permalink) Old 07-22-2010, 12:21 AM Thread Starter
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This is what the weekend holds.....

The National Weather Service hasn't lifted the heat advisory. Forecasted heat index will be from 105-110F tomorrow.

This weekend, part 2 of Summer MODFEST 2010 begins....here's a little teaser pic of what we'll be modding:
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post #8 of 27 (permalink) Old 07-23-2010, 01:52 AM Thread Starter
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Look what UPS brought me!

UPS came today......



The speakers!

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post #9 of 27 (permalink) Old 07-23-2010, 01:54 AM
Grab Your Bitch By The Horns
 
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Schweetness!
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post #10 of 27 (permalink) Old 07-24-2010, 04:20 AM Thread Starter
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UPS came again...this time bringing goodies like sound deadening and an amp!

I'm still missing my crossovers and wiring adapters....that's ticking me off. Why sonicelectronix.com didn't send the Xovers alone when the wiring adapters were out of stock is beyond me. Its AGGRAVATING.....I needed those Xovers to help layout my custom mounting board. Paper cutouts of roughly the same size and shape will have to do.

I'm doing something crazy that will infuriate many audiophiles but there's method in my madness. I am using the stock Infinity wiring harness for the signal and speaker wires!

The signal from the head unit is differential, meaning + and - instead of + and ground. This is also called a "floating ground" system. These have a nifty property....noise immunity WITHOUT shielding or twisted pair. This is how static free phone calls worked before fiber optics (differential signaling is still used for short copper runs) and its also how professional audio systems with signal cables hundreds of feet long can transmit sound without picking up hum or worse, AM radio stations!

The speaker wire is 18 gauge from the factory.... for power levels under 100W per speaker, this is perfectly fine and not much power will be lost at all. (the sub will be 14 gauge....600W RMS)

I'm going to take the Infinity amp apart, desolder the connector and put the amp's connector in my own little box....this box will have a remote turn on relay for all my stuff, the line out converter and floating ground isolator. Infinity harness plugs into the box, a switched 12V line and 4 RCA jacks come out the other side.

This method cuts cost, is easier to wire and reduces clutter. It also allows me to make a great system without cutting one wire of the factory harness for the ultimate in reliability.

Before any one asks....yes, a dedicated power wire is being run to a fused distro block. A huge one....1/0 gauge!

Oh and we have devised a way to get the 7" midbass drivers in the doors! 7 1/8" to be exact! Speakers are like engines....there's no replacement for displacement! MUAHAHAHAHAHAHAHA!

2004 300M Special...257K miles. Original powertrain!

Last edited by hardwareguy; 07-24-2010 at 04:38 AM.
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post #11 of 27 (permalink) Old 07-25-2010, 03:07 AM Thread Starter
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300M Special + Tools = :D

Today was the transition day.....MODFEST Part 2 Begins!

Door speaker.....the old 6" on a custom 6.75 adapter next to the new 7" which dwarfs it. A very unusual custom mounting bracket is required along with slight mods to the door card.


It's tradition...the MODFEST garage always has tunes coming from some unusual bit of stereo gear. This is one of the few stereos from Radio Shack over the years worth taking home. 100W/ch at 0.05% THD, circa late 80s/early 90s. I'm a sucker for anything with bargraph power meters though.


Just add laptop and our custom bookshelf speakers and we're ready to rock!


The new amp for the high frequency speakers in the sails and rear doors is going to get a custom mounting bracket made of wood and placed where the old factory amp once was.


Time to strip the trunk out.....


Now the interior is removed.....all I'm left with now is some seriously nasty carpet. The previous owner was a golfer...lots of golf tees around. He also liked cream in his coffee...and liked to drive fast around corners....yuck!


Where's my Simple Green and my old toothbrush......


Old forum members that witnessed MODFEST 2007 *KNOW* how I clean nasty carpets! Those that don't...stay tuned!


Now that the gnarly carpet is out; it's time to clean the floorpan. This is a new denatured alcohol formula with no Methanol; instead it's a mixture of moonshine and rubbing alcohol. (95% Ethanol, 5% Isopropanol). Methanol is WAY more toxic than isopropanol and can be absorbed through the skin so this is safer to use without gloves. It has less odor as well.


Plenty of dirt to clean...luckily I have plenty of that new solvent.


It seems to work just as well as the Methanol stuff.....


Laying out the Damplifier Pro....


The wheel wells have Damplifier Pro and Luxury Liner Pro applied. This should bring this "near luxury" car up to luxury quite nicely! (sorry, I forgot the flash...oops!)


Oh and yeah...laying out damping material and doing other things with the car for 10 hours in this heat is the devil!

2004 300M Special...257K miles. Original powertrain!

Last edited by hardwareguy; 07-25-2010 at 03:19 AM.
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post #12 of 27 (permalink) Old 07-25-2010, 03:44 AM
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Wow, way to go man, that is seriously... nice!
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post #13 of 27 (permalink) Old 07-25-2010, 10:47 AM
1st Gen FTW - It's AutoMedic!

 
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Nice build... Looks good. I'm interested in how you clean your carpet - mine in my 1st gen could use some TLC, and I also want to see your lay-out for your audio... I'm not much of a big stereo guy, but I like the idea that you're using the internal connectors for your new stuff, and Iike that it is going to be laid out ahead of time, done clean, and probably invisible... it will look like it was done 'like that' from the factory, especially with using the factory speaker wire and signal wire.
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post #14 of 27 (permalink) Old 07-25-2010, 02:36 PM Thread Starter
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The whole idea of this project is the element of surprise....I don't need all the thugs around UT Arlington knowing I have a sound system. The school is in the ghetto practically and incognito is the only way if you don't want your windows smashed.

It will look stock from inside the passenger cabin. The RB1 and 6 disc will remain and an iPod Integration Kit is being installed.
The RB1 is actually a really good quality head unit...its made by Alpine!

The only tell tale give away when the system is off will be if you look closely through the grilles.

Open the trunk and the magic will be revealed.

Not much going on under the hood this time....just a JoeKD intake and the original intake spacer. (one of Tom's first 10 runs!)

Audio layout is as follows: signal from the head unit is taken off of the Infinity amp plug then fed into two stereo line out converters with ground isolation. The newly created line level signal is fed into two crossover units, one for the rear and one for the front. The front sail and rear door speakers are fed by the MB Quart Discus amp in the above pics which is fed by the high pass on the two crossovers. The front door speakers and the rear deck speakers are fed by the old Rockford P450 which is fed by the bandpass side of the two crossovers. In a nutshell, one 4ch amp for high mid and treble, and one 4ch amp for the lower mids and high bass.

The lowpass output from the front channel crossover feeds the very huge Clif Designs CD6.2LX....almost 2 feet long and 600W RMS into 4 ohms. That beast feeds my 12" Titanic MK-III sub.

The speaker output from the 4ch amps is fed back into the speaker leads on the Infinity plug. The center channel is derived from the + lead on the left sail output and the - lead on the right sail output...just like the first gen LH did!

Crossover frequencies.... 80Hz lowpass for the subwoofer, 80-500Hz bandpass for the midbass drivers and 500Hz high pass for the rear door and sail mid-tweeters. This can be tweaked a bit...I can do up to 800Hz on the midbass to mid-tweet Xover if need be. All crossovers are 2nd order 12dB/octave units.

2004 300M Special...257K miles. Original powertrain!

Last edited by hardwareguy; 07-25-2010 at 02:50 PM.
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post #15 of 27 (permalink) Old 07-25-2010, 02:42 PM
1st Gen FTW - It's AutoMedic!

 
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But what I like is that it isn't just visually incognito... it is also incognito based on the installation. Clean, crisp, neat...
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