88 5.o lx conv running questions

racerx0071 · 01-01-2003, 06:08 PM

Hey Guys.... I have a dilemma.... I have an 88 5.0 auto.... it runs ok but it seems like it cant get out of its own way.....

timing at 10 degree btdc
all is stock but when I advance it past the 10 it pings like crazy at higher R's...... but low end improves as i raise it up////

it is still speed density , will higher fuel pressure help the higher end ping....
Where do you guys find the timing on pretty stock mustangs to be where they run well....

I want more power but I want driveability to be good....

thanks

my email is racerx0071@yahoo.com

thanks

ray

mustanggt_50 · 01-01-2003, 07:18 PM

you didnt mention whether you are runnin higher octane fuel or not, cause when you increase the timing, you should also increase fuel octane.

on my 87 its set at 10 and it runs fine, im gonna bump it up, but havent yet. my dads is set at 14 and it runs fine there.

racerx0071 · 01-01-2003, 07:35 PM

I run 93 octane....

Dark_5.0 · 01-02-2003, 01:23 PM

On my 88GT my timing is set at 18 degrees. With a speed density car a fuel pressure regulater should be you 1st purchase.

I reccomend the aeromotive one.

Make sure you dont have a chip installed in your car if you bought it used.

Later,

01-01-2003, 06:08 PM	#1
racerx0071 Registered Member Join Date: Jan 2003 Posts: 7	88 5.o lx conv running questions Hey Guys.... I have a dilemma.... I have an 88 5.0 auto.... it runs ok but it seems like it cant get out of its own way..... timing at 10 degree btdc all is stock but when I advance it past the 10 it pings like crazy at higher R's...... but low end improves as i raise it up//// it is still speed density , will higher fuel pressure help the higher end ping.... Where do you guys find the timing on pretty stock mustangs to be where they run well.... I want more power but I want driveability to be good.... thanks my email is racerx0071@yahoo.com thanks ray

01-01-2003, 07:18 PM	#2
mustanggt_50 Registered Member Join Date: Dec 2002 Location: Ontario Canada Posts: 91	you didnt mention whether you are runnin higher octane fuel or not, cause when you increase the timing, you should also increase fuel octane. on my 87 its set at 10 and it runs fine, im gonna bump it up, but havent yet. my dads is set at 14 and it runs fine there. __________________ 87 GT T-roof (needs paint) lol, rebuilt motor and trans, AOD - stage 2 shift kit, 3.73 gears - auburn posi, Dynomax Super Turbo Cat Back, FRPP 155lph fuel pump, K&N filter - air silencer removed, subframe connectors, strut tower brace. 88 GT T-roof 1989 LX Coupe 5.0 - 5spd Rice Haters Club member#105

01-02-2003, 01:23 PM	#4
Dark_5.0 Registered Member Join Date: Apr 2001 Location: Staging lane Posts: 4,337	On my 88GT my timing is set at 18 degrees. With a speed density car a fuel pressure regulater should be you 1st purchase. I reccomend the aeromotive one. Make sure you dont have a chip installed in your car if you bought it used. Later, __________________ 92' LX-Big brakes, Lots and lots of suspension, GT40X heads, Ported cobra intake, stock cam, Vortech SC trim. 00' Lightning-Stock 88'CRX-13 second ego killer

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01-01-2003, 07:35 PM	#3
racerx0071 Registered Member Join Date: Jan 2003 Posts: 7	I run 93 octane....