help 92 gt

mustanggt92 · April 24th, 2011, 06:14 PM

hey ive got a 92 gt , with e303 cam , stock engine , no big mods , just updated the throttle body from stock to 75mm , ever since the car hasnt been running right , i did all the procedures , and now my car when i go to start my car in the morning it wont start untill i keep my foot on the gas and control it to keep it around 600 rpm , now once its gets hot and i drive away same problem persists , the car wont run if i take my foot off the gas pedal , now try being at a red light while pressing the brakes and gas at the same time , can anyone help out? thanks

93hatch · April 24th, 2011, 06:19 PM

vacuum leak

FastStang91Lx · April 24th, 2011, 07:40 PM

You generally need to up your idle a little with that cam. Been there done that. Give it 2 hundred more r's and then check for vac leaks too.

Mister Nick · April 24th, 2011, 11:30 PM

yeah i was going to say the idle. i had similar issue a few months ago on my 91

April 24th, 2011, 06:14 PM	#1
mustanggt92 Look Ma! My First Post! Join Date: Apr 2011 Posts: 1 iTrader: 0 reviews	help 92 gt hey ive got a 92 gt , with e303 cam , stock engine , no big mods , just updated the throttle body from stock to 75mm , ever since the car hasnt been running right , i did all the procedures , and now my car when i go to start my car in the morning it wont start untill i keep my foot on the gas and control it to keep it around 600 rpm , now once its gets hot and i drive away same problem persists , the car wont run if i take my foot off the gas pedal , now try being at a red light while pressing the brakes and gas at the same time , can anyone help out? thanks

April 24th, 2011, 06:19 PM	#2
93hatch Banned 1992 Lx 11.39@119.24 Join Date: Jan 2008 Location: Az Posts: 11,644 iTrader: 0 reviews	vacuum leak __________________ [QUOTE=93mustank;2577445]We speed tested my right arm for quickness in shifts... So he could design the cam for proper shift recovery.[/QUOTE]

April 24th, 2011, 07:40 PM	#3
FastStang91Lx I Post Entirely Way Too Much 1991 Mustang LX 5.0 Join Date: Jan 2010 Location: Minnesota Posts: 5,572 iTrader: 2 reviews	You generally need to up your idle a little with that cam. Been there done that. Give it 2 hundred more r's and then check for vac leaks too. __________________ Point made in less than a few hours with minimal response. http://www.moddedmustangs.com/forums...ml#post4465184

April 24th, 2011, 11:30 PM	#4
Mister Nick Newbie 91 GT 5.0 Join Date: Mar 2011 Location: Long Island Posts: 4 iTrader: 0 reviews	yeah i was going to say the idle. i had similar issue a few months ago on my 91

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