rev limiter

blakehunter316 · February 19th, 2008, 09:06 AM

I was driving the other day and just messin around and i was just thinking and driveing i usually shift at about 5750 when im gettin on it but i have accidently ran it to 7 and it freaked me out. Is there a rev limiter on an 89 gt?

Iwannagofast · February 19th, 2008, 10:53 AM

i think some cars do and some dont......a lot of people say they have one at 6250 but mine has never rev limited and i have rapped first and second to 6500+

1slo5.0 · February 19th, 2008, 11:01 AM

All 87-93 5 liter Mustangs have rev limiters or fuel limiters as I call them. At 6250 rpm the computer starts shutting fuel off. The factory tachometer is not accurate at all which you will find out if you put an aftermarket tach in the car. Besides that the stock valve train won't support much more than 6250 rpm anyway.

JBIGBOOTSY · February 19th, 2008, 11:04 AM

Originally Posted by Darrell

All 87-93 5 liter Mustangs have rev limiters or fuel limiters as I call them. At 6250 rpm the computer starts shutting fuel off. The factory tachometer is not accurate at all which you will find out if you put an aftermarket tach in the car. Besides that the stock valve train won't support much more than 6250 rpm anyway.

+1 mine was about 1200rpm off at the high side of the tach.

Burn'nRubber · February 19th, 2008, 11:28 AM

^Thats quite a bit off!!! Guess I need to look into getting an aftermarket tach.

Iwannagofast · February 19th, 2008, 11:32 AM

yeah i didnt realize they were that bad

blakehunter316 · February 19th, 2008, 10:41 PM

holy crap thats alot off so i wouldnt mind a tach but they are massive and idk where to put it where it wouldnt look out of place.

baine21225 · February 19th, 2008, 11:28 PM

the tach would be a great investment

ryans88gt · February 20th, 2008, 01:22 AM

Yeah, mine reads over 7000 rpms when the my autometer is at 6000. This is confirmed by my 6200 limiter on my MSD, stock tack is bottomed out.

Iwannagofast · February 20th, 2008, 01:26 AM

dang i ges i wasnt rapping it as far as i thot.......so wat would be a good place to consider an actuall redline on the stock tach

ryans88gt · February 20th, 2008, 01:42 AM

There is no good place, it isn't accurate above 3000 rpms. Get a decent tach or an ignition system with a real rev limiter.

Iwannagofast · February 20th, 2008, 01:45 AM

you just gota make things difficult dont cha......haha

baine21225 · February 20th, 2008, 02:08 PM

na man, thats just what you have to do to get some legit readings. just get an autometer tach, you will be able to use it for years

blakehunter316 · February 22nd, 2008, 11:04 AM

how hard is it to put in a tach

February 19th, 2008, 09:06 AM	#1
blakehunter316 Regular 1989 Mustang GT 14.01 @ 103..... :( Join Date: Feb 2008 Location: Connersville Indiana Posts: 365 iTrader: 0 reviews	rev limiter I was driving the other day and just messin around and i was just thinking and driveing i usually shift at about 5750 when im gettin on it but i have accidently ran it to 7 and it freaked me out. Is there a rev limiter on an 89 gt? __________________ vortech s-trim off road h pipe super 40's steeda tri-ax c.a.i. 3.73s subframe cnntrs 255er

February 19th, 2008, 11:01 AM	#3
1slo5.0 MM Ninjas! 1990 Mustang LX 9.36@143 mph Join Date: Jan 2006 Location: North Fond du Lac, Wisconsin Posts: 11,375 iTrader: 1 reviews	All 87-93 5 liter Mustangs have rev limiters or fuel limiters as I call them. At 6250 rpm the computer starts shutting fuel off. The factory tachometer is not accurate at all which you will find out if you put an aftermarket tach in the car. Besides that the stock valve train won't support much more than 6250 rpm anyway. __________________ My daily driver has 16 cylinders and 4400hp @ 1000 rpm.... ***1988 Mustang GT - Stock....almost

February 19th, 2008, 10:41 PM	#7
blakehunter316 Regular 1989 Mustang GT 14.01 @ 103..... :( Join Date: Feb 2008 Location: Connersville Indiana Posts: 365 iTrader: 0 reviews	holy crap thats alot off so i wouldnt mind a tach but they are massive and idk where to put it where it wouldnt look out of place. __________________ vortech s-trim off road h pipe super 40's steeda tri-ax c.a.i. 3.73s subframe cnntrs 255er

February 20th, 2008, 01:22 AM	#9
ryans88gt MM Fanatic Join Date: May 2007 Location: Bloomington, IL Posts: 4,737 iTrader: 0 reviews	Yeah, mine reads over 7000 rpms when the my autometer is at 6000. This is confirmed by my 6200 limiter on my MSD, stock tack is bottomed out. __________________ 88 GT CHI headed 351w 10.8 @ 125 - still figuring it out. 03 Cobra 2.3 whipple 10.7 @ 129 - sold it 04 Mach 1 12.7 @ 109 mostly stock - sold it 89 LX procharged 302 515 hp 497 ftlbs 10.7 @130 mph - sold it

February 20th, 2008, 01:42 AM	#11
ryans88gt MM Fanatic Join Date: May 2007 Location: Bloomington, IL Posts: 4,737 iTrader: 0 reviews	There is no good place, it isn't accurate above 3000 rpms. Get a decent tach or an ignition system with a real rev limiter. __________________ 88 GT CHI headed 351w 10.8 @ 125 - still figuring it out. 03 Cobra 2.3 whipple 10.7 @ 129 - sold it 04 Mach 1 12.7 @ 109 mostly stock - sold it 89 LX procharged 302 515 hp 497 ftlbs 10.7 @130 mph - sold it

February 19th, 2008, 11:28 AM	#5
Burn'nRubber Regular 1992 Mustang GT Coming soon... Join Date: Aug 2007 Location: Rushville, IN Posts: 253 iTrader: 0 reviews	^Thats quite a bit off!!! Guess I need to look into getting an aftermarket tach.

February 19th, 2008, 11:28 PM	#8
baine21225 MM Fanatic Join Date: Jun 2007 Location: Baltimore, MD Posts: 4,349 iTrader: 1 reviews	the tach would be a great investment

February 20th, 2008, 02:08 PM	#13
baine21225 MM Fanatic Join Date: Jun 2007 Location: Baltimore, MD Posts: 4,349 iTrader: 1 reviews	na man, thats just what you have to do to get some legit readings. just get an autometer tach, you will be able to use it for years

February 22nd, 2008, 11:04 AM	#14
blakehunter316 Regular 1989 Mustang GT 14.01 @ 103..... :( Join Date: Feb 2008 Location: Connersville Indiana Posts: 365 iTrader: 0 reviews	how hard is it to put in a tach __________________ vortech s-trim off road h pipe super 40's steeda tri-ax c.a.i. 3.73s subframe cnntrs 255er

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