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06-16-2004, 05:42 PM | #51 |
Mustang Owner for Life
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Location: Hernando Florida
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:THUMBSUP:
I have to try this one. The dealership says there is no problem but why does my car rev at 1800 rpm's when I start it? Hopefully somebody produces these for us guys without a dremel or tin snips. I have a lowes nearby though. Good job.
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Bone Stock '04 Mach 1 Oxford White that is until it hits 35000 miles then let the mods begin. ----------------------------------------------- Previous and current mustang models 1967 Mustang Coupe...Red...302 (Sold...regret it every day) 1989 Mustang Gt Coupe...Blue (Gave it to my Mother) 1987 Mustang Gt Convertible...Black (Gave it to my dad) ----------------------------------------------- Future Stable wish list 06 Cobra 1967 fast back 1969 mach one 2000+ Saleen ------------------------------------------------ Your never too old to rock and roll |
06-16-2004, 06:12 PM | #52 |
What, no forced mating?
Join Date: Apr 2003
Location: Hartselle, AL
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I have a friend who owns a machine shop. I'll make up a prototype and find out how much it will cost to mass produce out of steel rather than aluminum.
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Donathan VIN:408973 ~Project Overkill~ Mach Pictures ~Vehicles~ 2003 Black Mustang Mach 1 2003 Mercury Marauder 2004 Silver Ford Focus 2001 Ford Ranger |
06-16-2004, 08:17 PM | #53 | |
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Quote:
Not exactly sure, but I think that's close to the starting speed. The Mach1 starts at the speed. That is the speed that the starter turns the motor at to start the engine. Determined by Ford to be the lowest speed that the engine will remain idling/running under all starting conditions. Now, having said that, staying at the speed for a long time, or rising to that speed when the engine has already warmed up and has been idling for a while isn't right. And could possibly indicate a problem. Remember, the restricter plate mod, is for people who are tired of how long the RPM's take to drop down after letting off the gas, and whose cars take and excessive time to drop to a proper Idle upon startup.
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2003 Mustang Mach 1 Torch Red, 5-Speed w/ IUP Steeda Tri-Ax Steeda Sport Springs UPR Adjustable LCA's Offset Urethane Rack Bushings Maximum Motorsports Full Length SFC's Ford Racing 4.10 Ring/Pinion JLT CAI Ported/Polished TB/Upper Intake PHP Intake Spacer NGK TR6 Plugs, Gapped @ .050 MAC O/R Prochamber Borla Stinger Exhaust SCT Custom Tune |
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06-16-2004, 08:25 PM | #54 |
Flyin' Under the Radar
Join Date: Sep 2003
Location: Southern Pines, North Carolina
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Since this thread has moved back up the list let me add my .02c on the subject. I made my IAC restrictor plate and after a couple of minor size adjustments to the smaller hole in the plate the car now starts and idles perfectly. No more hanging RPMs between gears. The car drives beautifully and I swear it actually has a little bit more get up and go on the low end. My shifting is definitely smoother and the car brakes better than before.
Mach2Canuck, you're officially on my list of mods (see signature!). :THUMBSUP:
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03 Mustang MACH 1 Mods: MAF Screen & Air Silencer Delete K&N Air Filter Flowmaster "American Thunder" Exhaust System Magnaflow X-Pipe w/ Cats FRPP 4.10 Gears BBK Progressive Rate Lowering Springs Diablo Predator Performace Tuning PHP Intake Spacer IAC Restrictor Plate (Thanks to Mach1Canuck!) UPR "Blue Thunder" Shifter w/Billet stick Valentine Radar Detector XM "Roady2" Satellite Radio Lots of Zaino! "Traffic lights set at 35 mph are also set at 70 mph!" |
06-16-2004, 08:30 PM | #55 |
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Glad you are happy with it.
I haven't checked, but is Mr. Hoag still available for questions? I wouldn't mind knowing what he thinks of the mod.
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2003 Mustang Mach 1 Torch Red, 5-Speed w/ IUP Steeda Tri-Ax Steeda Sport Springs UPR Adjustable LCA's Offset Urethane Rack Bushings Maximum Motorsports Full Length SFC's Ford Racing 4.10 Ring/Pinion JLT CAI Ported/Polished TB/Upper Intake PHP Intake Spacer NGK TR6 Plugs, Gapped @ .050 MAC O/R Prochamber Borla Stinger Exhaust SCT Custom Tune |
06-16-2004, 08:35 PM | #56 |
Mustang Owner for Life
Join Date: Feb 2004
Location: Hernando Florida
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Yeah my car starts at 1800 ( sounds like I am racing my engine even though my foot is not on the gas) then stays there even after I put it in gear, the car does this for about the first two minutes of driving then drops down to normal idle speed at stops. The idle does drop rather slowly and at times it is a pain to shift. I brought it in to ford and they said there was nothing wrong with the car after connecting it to the computer so I took them at there word. I assume that this will fix or improve upon the problem though, I guess it's worth the try.
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Bone Stock '04 Mach 1 Oxford White that is until it hits 35000 miles then let the mods begin. ----------------------------------------------- Previous and current mustang models 1967 Mustang Coupe...Red...302 (Sold...regret it every day) 1989 Mustang Gt Coupe...Blue (Gave it to my Mother) 1987 Mustang Gt Convertible...Black (Gave it to my dad) ----------------------------------------------- Future Stable wish list 06 Cobra 1967 fast back 1969 mach one 2000+ Saleen ------------------------------------------------ Your never too old to rock and roll |
06-18-2004, 12:04 AM | #57 |
Halloween Screamer
Join Date: Jan 2004
Location: Dover, DE
Posts: 310
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Great Mod!!
Awesome mod - works like a charm. Tough getting used to shifting 2-3 and 3-4 though!!!
Mach On! :THUMBSUP:
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2004 Mach 1 - "The Halloween Screamer" Competition Orange - 5 Speed IUP #135131 "This and That": Flowmaster 40-Series Weld-Ins, BFGoodrich Comp TA/ZR's 255/45/17, 3M Paint Protection Film, HP Charcoal 13% Tint, Satin Black Bumper Inserts, Sequential Turn Signals. High Horse Performance, Inc. LINK Other Rides: 87 Jeep Wrangler - Flat Army Green - DEJA 74 VW Superbeetle - Restored Summer 02 |
06-18-2004, 12:43 AM | #58 |
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Yeah! It works GREAT!!!
:HOPPY:
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2003 Mach 1 2004 SVT Cobra |
06-18-2004, 08:33 AM | #59 |
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This is the greatest free (almost) modification ever! It took me about an hour and a half in total and worked perfectly on the first try. I used a sheet of 22 gauge steel purchased at Pep Boys for a couple bucks. A few observations on the process: 1. You don't need to remove the shaker. The IAC is accessible from the passenger side without removing anything else. Two 8mm bolts. 2. My car is a 5 speed and I made the smaller hole 9/32. The other hole is identical to the one in the gasket. No problem cycling the A/C compressor with that size. 3. Be sure to deburr the edges of the holes after drilling/grinding to ensure that no junk gets sucked into the engine! I noticed no difference in the amount of "burble" on closed throttle deceleration. The surge felt when engaging the clutch at low throttle position is gone! Thanks, Mach1Canuck, for posting this!
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2003 Torch Red 5 spd w/ IUP Built: 7/16/03 |
06-18-2004, 09:19 AM | #60 |
Black is Bad *ss
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Location: MA
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Here are some great installation pics from StangNet
http://forums.stangnet.com/showthread.php?t=470711
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K&N CAI Stieg Stage III port/TB & Plenum BilletFlow 2.93 w/4 idlers Metco 4 lb lower SCT Excalibrator II SCT 2400 MAF KB BAP@35% Gords HE Magnaflow catted X Magnaflow cat back Brisk 15's more coming.. 04 Silver Cobra (Traded 04 Black Mach) |
06-18-2004, 01:12 PM | #61 |
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You're using the original gasket and now you've stacked a metal plate against the IAC... How does this seal? Shouldn't it require a 2nd gasket to seal properly?
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Roger Traded on another vehicle. The Mach was a great car with very few issues in the 93,000 miles I put on it. I'll miss it... '04 DSG 5 Spd. IUP Tri-Ax purchased day before Mach, installed day of purchase. MGW Adjustable Shifter Arm. Borla Stainless Steel "Stinger" Cat-back. Fiore firewall adjuster/Steeda clutch quadrant. |
06-18-2004, 01:53 PM | #62 |
Black is Bad *ss
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If I decide to do this, I would purchase another gasket to assure no leaks.
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K&N CAI Stieg Stage III port/TB & Plenum BilletFlow 2.93 w/4 idlers Metco 4 lb lower SCT Excalibrator II SCT 2400 MAF KB BAP@35% Gords HE Magnaflow catted X Magnaflow cat back Brisk 15's more coming.. 04 Silver Cobra (Traded 04 Black Mach) |
06-18-2004, 02:56 PM | #63 |
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Don't worry about the gasket, guys. It's just paper and is absolutely reusable. We're not trying to seal high pressure liquid, here. Just relatively low pressure air. See for yourself when you take it apart; it has very little deformation from the original install.
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2003 Torch Red 5 spd w/ IUP Built: 7/16/03 |
06-18-2004, 03:48 PM | #64 | |
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Quote:
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Roger Traded on another vehicle. The Mach was a great car with very few issues in the 93,000 miles I put on it. I'll miss it... '04 DSG 5 Spd. IUP Tri-Ax purchased day before Mach, installed day of purchase. MGW Adjustable Shifter Arm. Borla Stainless Steel "Stinger" Cat-back. Fiore firewall adjuster/Steeda clutch quadrant. |
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06-18-2004, 04:03 PM | #65 |
Black is Bad *ss
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Location: MA
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Two gaskets=positive seal
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K&N CAI Stieg Stage III port/TB & Plenum BilletFlow 2.93 w/4 idlers Metco 4 lb lower SCT Excalibrator II SCT 2400 MAF KB BAP@35% Gords HE Magnaflow catted X Magnaflow cat back Brisk 15's more coming.. 04 Silver Cobra (Traded 04 Black Mach) |
06-18-2004, 04:39 PM | #66 | |
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Quote:
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Roger Traded on another vehicle. The Mach was a great car with very few issues in the 93,000 miles I put on it. I'll miss it... '04 DSG 5 Spd. IUP Tri-Ax purchased day before Mach, installed day of purchase. MGW Adjustable Shifter Arm. Borla Stainless Steel "Stinger" Cat-back. Fiore firewall adjuster/Steeda clutch quadrant. |
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06-18-2004, 05:27 PM | #67 |
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I would agree. For COMPLETELY bulletproof install, use two gaskets.
I myself cut and made sure my plate was perfectly flat when I cut it. Remember also that the aluminum plate (1/32") is also very maleable compared to what it is being sandwiched between and I'm sure it made a perfectly fine seal. Want to check it? Get a friend that smokes, hold a lit cigarette near the seal while you rev up and let off the throttle. Does smoke get sucked in? If yes, then you have a leak, if not.. should be good to go.
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2003 Mustang Mach 1 Torch Red, 5-Speed w/ IUP Steeda Tri-Ax Steeda Sport Springs UPR Adjustable LCA's Offset Urethane Rack Bushings Maximum Motorsports Full Length SFC's Ford Racing 4.10 Ring/Pinion JLT CAI Ported/Polished TB/Upper Intake PHP Intake Spacer NGK TR6 Plugs, Gapped @ .050 MAC O/R Prochamber Borla Stinger Exhaust SCT Custom Tune |
06-18-2004, 10:21 PM | #68 |
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Install pix from stangnet
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2002 Mustang Premium Silver vert V6 2003 Mach1 Torch Red IUP 5spd Clear Fog lights Sequential Turn Signals 40 series Delta Flows |
06-18-2004, 10:24 PM | #69 |
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Thanks
Mach1Canuck, thanks for a great fix,, these hanging rpms are annoying.
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2002 Mustang Premium Silver vert V6 2003 Mach1 Torch Red IUP 5spd Clear Fog lights Sequential Turn Signals 40 series Delta Flows |
06-19-2004, 01:39 AM | #70 |
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Believe it or not the 95-98 mustangs had the same problem and ford actually had this same fix and a part number. I think I read about that on stangnet back when I had my 02 gt, did the same thing. Obviously we have a different IAC and I doubt ford has bothered to fix this in the Mach's so it's great that someone figured it out for them. Good job
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06-19-2004, 05:11 AM | #71 |
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Nice job on the mod Canuck! I'll keep it in mind...I like it!!
Another alternative guys, at least it helped me anyways. The IAC's that come originally with our Stangs suck and I can't figure out why. I got tired of it and so I went to local Ford dealer and bought a new IAC (was something like $40-$50)....removed the old one and put the new one on. Since then, no hanging rpms, rpms drop fairly quick, and it also fixed my engine stall problems. So, keep it in mind if you have/had similiar probs. |
06-20-2004, 02:43 AM | #72 |
Goat herder
Join Date: Jan 2004
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MyDream and I did this yesterday to our Machs and we both agree on the SOTP Dyno, that you can feel the difference big time. We both have the feeling our cars get up an go alot Sooner and faster. Hanging problem fixed. His had the 9/32 hole mine was a tad smaller. Cost was about .02 cents for electricity- we got the flashing for free.
Anyone else feel the SOTP difference?
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1988 GT (Grey) Mods: CHP 408W Street-fighter Pro street; + all the goodies 2004 Mach 1 (Cmp. Orange) Mods: Magnaflow cat-back;Magnaflow X-pipe w/High flow cats;Steeda Tri-ax;JLT RAI; 3:73 gears; 31 spline axels; g-force rubber 1/4: 60ft=1.9156 13.38@ 104.32 stock tires and before gears & axels + I suck. |
06-20-2004, 03:12 AM | #73 | |
Desert Rat
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Quote:
I posted 3 responses on this thread, 2 on 06/05 and the last on 06/07. As I said on the last post, the difference is apparent at WOT highway speed but I am also feeling a difference at launch. Of course, I also removed the MAF after getting a rich A/F after having after market mufflers installed. This seems to have cleared up this little problem. The difference is incredible. I can now burn from a standing start. Not bad, considering I have an automatic. I even impressed my wife, the other night. I have had the car for about 9 months and it is faster now than ever. Of course, she reminded me that the cost of new tires will be deducted from any new mods I had in mind. And, as you said, the cost was a whopping 2 Cents, give or take a penny or so. The steel was free and the mod took all of a half hour. Pretty good pay considering someone else spent between $40 and $50 for the same results. Lets see, if I am correct, that equals about $80 to $100 an hour. Not bad pay, if I do say so myself. David <><
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David Paul <>< Current Rides: 04 Cobra Redfire 03 Sport Trac Oxf. White. Most Recent Rides: 03 Mach 1 DSG Automatic 03 Mustang DSG V6 5 Spd. 98 Explorer Sport 5 Spd. 2000 Focus ZTS 5 Spd. 98 Contour 5 Spd. The rest? Way too many to list during my 60+ years of fun loving, speed loving life. |
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06-23-2004, 11:53 PM | #74 |
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Can anyone make/send me one of these plates for a reasonable price??
Can anyone mail me one of these plates with the 9/32 hole for a reasonable price?? Thanks fellow Machers!!
PM me, if at all possible. V/R...
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2003 Oxford White 5 Speed MACh 1 - 15% Window Tint - MGW Silver Radio, A/C Knobs - MRT Interceptor Guages - Black Antenna (Trimmed Down to 14") - Cobra Jet Shaker Scoop/SVT Emblems - MACh 1 License Plate Frame - Eibach Sportlines - 03 Cobra front/rear fascia, rocker panels - Grillcraft Sport Grille (lower) - Hurst Shifter - 18x9&18x10s w/255/295 BFGs |
06-24-2004, 09:45 AM | #75 |
Goat herder
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Devery
Check this forum, Donathan is going to sell them for $20 the thread is titled " IAC Valve Restrictor Plate Production ".
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1988 GT (Grey) Mods: CHP 408W Street-fighter Pro street; + all the goodies 2004 Mach 1 (Cmp. Orange) Mods: Magnaflow cat-back;Magnaflow X-pipe w/High flow cats;Steeda Tri-ax;JLT RAI; 3:73 gears; 31 spline axels; g-force rubber 1/4: 60ft=1.9156 13.38@ 104.32 stock tires and before gears & axels + I suck. |
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