iac gasket modification

laser_red_3.8 · September 23rd, 2007, 08:37 PM

i wanted to fix my annoying hanging rpms when i shift and bought some gasket at an auto parts store to be cut in the shape of the stock one but with alittle smaller holes. i read up on some posts on the gt forums about this and im not sure if this would work for my v6. i wanted to know if this is safe to do and what size holes need to drilled if it is safe?

Hourofpain · September 23rd, 2007, 08:44 PM

talk to christorres about it

hell tell you not to though probably

Hourofpain · September 23rd, 2007, 08:44 PM

itschristorres8

bossman2kgt · September 23rd, 2007, 08:47 PM

It shouldn't matter as long as youve got a good fit. Make sure you clean all of the gasket from the loose stuff that could damage your iac. Why dont you just buy the one thats supposed to fit?

Hourofpain · September 23rd, 2007, 08:51 PM

hes talking about modding the holes.

it results in a quicker idle but some other things happen Pm chris about it

he wrote up a sticky a while back

bossman2kgt · September 23rd, 2007, 09:20 PM

Interesting. When you say quicker idle you mean faster throttle reponse right?

But didnt he say that he wanted to cut the hole in the gasket a smaller size?

Hourofpain · September 23rd, 2007, 09:24 PM

thats why i said to pm chris

he can clear up any issues he has

El_Cangri · September 23rd, 2007, 09:28 PM

be careful about the gasket thing...

if the hole is very small the engine will starve of air while shifting..

i would just buy the gasket for it instead of doing the mod

Onemanzu · September 24th, 2007, 01:02 AM

its safe to do... go for about half the size of stalk on the trailing section and same size on the lead... i believe thats it

its the same thing as the gt models... i say go for it

Garman91 · September 24th, 2007, 03:44 PM

I heard you can reduce that RPM lag with a tune... that a myth? Anyone know?

Juggalo_X · September 24th, 2007, 03:58 PM

Originally Posted by Garman91

I heard you can reduce that RPM lag with a tune... that a myth? Anyone know?

this is true. although on an auto a minimal amount of lag will always be present after the tune cuz ur converter has to spin up to match the engine.

itschristorres8 · September 24th, 2007, 08:03 PM

making your own gasket will not hurt
but personally for that i'd just use some RTV

clean your IAC with carb or throttle body cleaner. put it on and what i'd do if you wana use the make-a-gasket kit

put some baby powder on a paper...lick your finger and wipe your IAC on the outside where the gasket would go so the baby power kinda sticks

place the IAC on the gasket sheet...and you now have a trace.....(wipe the gasket sheet with a damp towel so the powder can stay while you cut

then CLEAN your IAC again or make sure no powder is on it as well as the gasket.

Garman91 · September 25th, 2007, 12:11 AM

Has anyone had success in decreasing the RPM hang on manual tranny's my making an IAC gasket w/ half sized holes? Pics? Cause I would love to cure it too if this works...

itschristorres8 · September 25th, 2007, 12:29 AM

if your having trouble with cutting it out just use some RTV silcone...high temp...they sell it at any auto store..ask the people there

RTV silcone...with your finger place it around the edge like a gasket would sit...

Seafoam helps out your idle

September 23rd, 2007, 08:37 PM	#1
laser_red_3.8 Newbie 2001 Mustang V6 Join Date: Sep 2007 Location: Houston, Texas Posts: 20	iac gasket modification i wanted to fix my annoying hanging rpms when i shift and bought some gasket at an auto parts store to be cut in the shape of the stock one but with alittle smaller holes. i read up on some posts on the gt forums about this and im not sure if this would work for my v6. i wanted to know if this is safe to do and what size holes need to drilled if it is safe? __________________ 2001 Laser Red V6 5-Speed -StangSuspension 1.4" Lowering Springs -GT Takeoffs -17" Mach 1 rims

September 23rd, 2007, 08:44 PM	#2
Hourofpain Hardcore Enthusiast 1998 Mustang Gt 14 MPG Join Date: Mar 2007 Location: Virginia Beach Posts: 1,339	talk to christorres about it hell tell you not to though probably __________________ 1998 Mustang Gt 4.10 Gears...Stage 3 Clutch...PI Intake Manifold...Hurst Short throw...Underdrive pulleys...Bassani X Exhaust...Strut Tower Brace...Screamin Demon Coil Packs and livewire Ignition wires...Rear Drag Springs

September 23rd, 2007, 08:44 PM	#3
Hourofpain Hardcore Enthusiast 1998 Mustang Gt 14 MPG Join Date: Mar 2007 Location: Virginia Beach Posts: 1,339	itschristorres8 __________________ 1998 Mustang Gt 4.10 Gears...Stage 3 Clutch...PI Intake Manifold...Hurst Short throw...Underdrive pulleys...Bassani X Exhaust...Strut Tower Brace...Screamin Demon Coil Packs and livewire Ignition wires...Rear Drag Springs

September 23rd, 2007, 08:51 PM	#5
Hourofpain Hardcore Enthusiast 1998 Mustang Gt 14 MPG Join Date: Mar 2007 Location: Virginia Beach Posts: 1,339	hes talking about modding the holes. it results in a quicker idle but some other things happen Pm chris about it he wrote up a sticky a while back __________________ 1998 Mustang Gt 4.10 Gears...Stage 3 Clutch...PI Intake Manifold...Hurst Short throw...Underdrive pulleys...Bassani X Exhaust...Strut Tower Brace...Screamin Demon Coil Packs and livewire Ignition wires...Rear Drag Springs

September 23rd, 2007, 09:24 PM	#7
Hourofpain Hardcore Enthusiast 1998 Mustang Gt 14 MPG Join Date: Mar 2007 Location: Virginia Beach Posts: 1,339	thats why i said to pm chris he can clear up any issues he has __________________ 1998 Mustang Gt 4.10 Gears...Stage 3 Clutch...PI Intake Manifold...Hurst Short throw...Underdrive pulleys...Bassani X Exhaust...Strut Tower Brace...Screamin Demon Coil Packs and livewire Ignition wires...Rear Drag Springs

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September 23rd, 2007, 08:47 PM	#4
bossman2kgt Hardcore Enthusiast Join Date: May 2007 Location: Wichita, Ks Posts: 1,287	It shouldn't matter as long as youve got a good fit. Make sure you clean all of the gasket from the loose stuff that could damage your iac. Why dont you just buy the one thats supposed to fit?

September 23rd, 2007, 09:20 PM	#6
bossman2kgt Hardcore Enthusiast Join Date: May 2007 Location: Wichita, Ks Posts: 1,287	Interesting. When you say quicker idle you mean faster throttle reponse right? But didnt he say that he wanted to cut the hole in the gasket a smaller size?

September 24th, 2007, 03:44 PM	#10
Garman91 Regular 02 Mustang V6 Join Date: Jan 2007 Location: Brandon, FL Posts: 200	I heard you can reduce that RPM lag with a tune... that a myth? Anyone know? __________________ BBK Intake, BBK 75MM Throttle Body w/ Port Matched Upper Intake, BBK Shorty Headers, Magnaflow Exhaust, GT Tips, Eibach Sportline Springs, EGR Delete, ZEX 75 Shot, Sniper Tuned for 93 Octane w/ Nitrous

September 24th, 2007, 08:03 PM	#12
itschristorres8 V-SICKS 00 V6 & 09 GT 13.37@104.4mph--BONE stock GT Join Date: Aug 2006 Location: south florida Posts: 15,657	making your own gasket will not hurt but personally for that i'd just use some RTV clean your IAC with carb or throttle body cleaner. put it on and what i'd do if you wana use the make-a-gasket kit put some baby powder on a paper...lick your finger and wipe your IAC on the outside where the gasket would go so the baby power kinda sticks place the IAC on the gasket sheet...and you now have a trace.....(wipe the gasket sheet with a damp towel so the powder can stay while you cut then CLEAN your IAC again or make sure no powder is on it as well as the gasket. __________________ The Devil & The Daily Daily-13.37@104.4mph V6- Stock bottom-439rwhp & 402rwtq 12psi 100oct built motor-497rwhp & 508rwtq 15psi pump

September 25th, 2007, 12:11 AM	#13
Garman91 Regular 02 Mustang V6 Join Date: Jan 2007 Location: Brandon, FL Posts: 200	Has anyone had success in decreasing the RPM hang on manual tranny's my making an IAC gasket w/ half sized holes? Pics? Cause I would love to cure it too if this works... __________________ BBK Intake, BBK 75MM Throttle Body w/ Port Matched Upper Intake, BBK Shorty Headers, Magnaflow Exhaust, GT Tips, Eibach Sportline Springs, EGR Delete, ZEX 75 Shot, Sniper Tuned for 93 Octane w/ Nitrous

September 25th, 2007, 12:29 AM	#14
itschristorres8 V-SICKS 00 V6 & 09 GT 13.37@104.4mph--BONE stock GT Join Date: Aug 2006 Location: south florida Posts: 15,657	if your having trouble with cutting it out just use some RTV silcone...high temp...they sell it at any auto store..ask the people there RTV silcone...with your finger place it around the edge like a gasket would sit... Seafoam helps out your idle __________________ The Devil & The Daily Daily-13.37@104.4mph V6- Stock bottom-439rwhp & 402rwtq 12psi 100oct built motor-497rwhp & 508rwtq 15psi pump

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