How much nitrous can a stock 5.0 handle?

mtw002 · November 12th, 2008, 12:03 AM

I just purchased a 81 mustang coupe with a freshly built 306 and 5 speed. I don't plan on doing anything to the car except for suspension and a 5 lug swap/gears. I want to throw some nitrous at it but unsure how much it can handle before it would go boom!!! It will be kinda a weekend street/track car. So it wont be driven a lot. Whats the best shot for the block?

JBIGBOOTSY · November 12th, 2008, 05:28 AM

there are too many factors to tell for sure. But in stock form 200 seems to be the a good stopping point.

mtw002 · November 12th, 2008, 06:46 AM

LOL... so i'd be good with 150 shot...thanks...

fateisajester · November 12th, 2008, 08:43 AM

Originally Posted by mtw002

LOL... so i'd be good with 150 shot...thanks...

you're safe all day long with a 150 shot

e3sean · November 12th, 2008, 08:52 AM

be sure to have a good tune and to back the timing out 1* fot every 25hp of nitrous you have on it.

sixxxshoooter · November 12th, 2008, 09:00 AM

yea I was wondering the same thing. Mine is still a 302 and I was going to put a shot up there as well. would mine be safe at 150 as well? Its an 89.

flattusmaximus78 · November 12th, 2008, 12:32 PM

Originally Posted by sixxxshoooter

yea I was wondering the same thing. Mine is still a 302 and I was going to put a shot up there as well. would mine be safe at 150 as well? Its an 89.

Yes, 306 is nothing more then a cleaned up 302 block.

sixxxshoooter · November 12th, 2008, 12:42 PM

Oh ok....Great....Would I need to tune it or would I be able to just take out timing and let her rip?

mtw002 · November 12th, 2008, 05:22 PM

be sure to have a good tune and to back the timing out 1* fot every 25hp of nitrous you have on it.

My 81 coupe is carbed...dont know much about tunning a carb car. Do I just get a wide band and adjust the jets?

gotn20 · November 12th, 2008, 08:39 PM

I have a 200 on mine I've dont everything to 100-200. 150 is a good stoping point just don't ever jet up or you'll never want to go back lol. I did over 20 bottles through my stock motor with 188,000 mile befor i had to yank it and freshen it up and I'm still spraying 200 with zero issues. Just don't get greedy with the timing the extra ten horses from more timing just isn't worth it.

-Joeyy- · November 12th, 2008, 09:16 PM

whats so bad running your car more advanced? i know it will eat a hole in the piston after a long period of time. but what other reason?

laztug · November 12th, 2008, 09:27 PM

Nice to know whats do they hit in the 1/4 ball park with the 150 and 200 shot?(with drag radials)

91cobra5.0 · November 12th, 2008, 09:42 PM

all stock? probroly 11 to 12

Traidmarx · November 12th, 2008, 09:57 PM

u sure??? i doubt that at stock 5.0 would see 12's on a 150 shot and DR's

-Joeyy- · November 12th, 2008, 09:59 PM

no way low 13's or very high 12's

Traidmarx · November 12th, 2008, 10:14 PM

i don't think you'd even see low 13's probably high 13's with a good 60ft. low 14's without bad one

-Joeyy- · November 12th, 2008, 10:17 PM

what do they run stock?

laztug · November 12th, 2008, 10:20 PM

Originally Posted by UL-B-SRY

i don't think you'd even see low 13's probably high 13's with a good 60ft. low 14's without bad one

doubt it, I run 1.85 60- foot 13.85 e.t all motor full exhaust, no name headers, pro 5.0, lift bars and DR's.

Traidmarx · November 12th, 2008, 10:22 PM

okay yes with bolt on's high 13's could be possible. but from what i read it says stock...so i don't consider bolt on's stock.

Traidmarx · November 12th, 2008, 10:23 PM

Originally Posted by -Joeyy-

what do they run stock?

mid 14's to low 15's depending on the driver and track conditions.

November 12th, 2008, 12:03 AM	#1
mtw002 Enthusiast 2003 vert gt 12.703@ 107.65 KCIR Join Date: Oct 2006 Location: Colorado Springs CO Posts: 662 iTrader: 0 reviews	How much nitrous can a stock 5.0 handle? I just purchased a 81 mustang coupe with a freshly built 306 and 5 speed. I don't plan on doing anything to the car except for suspension and a 5 lug swap/gears. I want to throw some nitrous at it but unsure how much it can handle before it would go boom!!! It will be kinda a weekend street/track car. So it wont be driven a lot. Whats the best shot for the block? __________________ Cars Dont Power The Front Wheels, They Lift Them 4v teksid block w/2v heads FINISHED 14 April 2010 2003 vert gt 2v teskid build 12.7 @ 107 (SOLD) 1989 mustang lx

November 12th, 2008, 05:28 AM	#2
JBIGBOOTSY MM Fanatic 1990 LX hatch Join Date: Aug 2006 Location: Hobart Indiana Posts: 4,391 iTrader: 0 reviews	there are too many factors to tell for sure. But in stock form 200 seems to be the a good stopping point. __________________ Bolt-on Abraham Lincoln Log motor. With extra wiring.

November 12th, 2008, 06:46 AM	#3
mtw002 Enthusiast 2003 vert gt 12.703@ 107.65 KCIR Join Date: Oct 2006 Location: Colorado Springs CO Posts: 662 iTrader: 0 reviews	LOL... so i'd be good with 150 shot...thanks... __________________ Cars Dont Power The Front Wheels, They Lift Them 4v teksid block w/2v heads FINISHED 14 April 2010 2003 vert gt 2v teskid build 12.7 @ 107 (SOLD) 1989 mustang lx

November 12th, 2008, 08:52 AM	#5
e3sean I Post Entirely Way Too Much 1988 lx 9.68@142 Join Date: Nov 2007 Location: goldsboro NC Posts: 5,609 iTrader: 0 reviews	be sure to have a good tune and to back the timing out 1* fot every 25hp of nitrous you have on it. __________________

November 12th, 2008, 09:00 AM	#6
sixxxshoooter Regular 1989 Mustang Gt 5.0 n/a Join Date: Nov 2007 Location: Greensboro Posts: 322 iTrader: 0 reviews	yea I was wondering the same thing. Mine is still a 302 and I was going to put a shot up there as well. would mine be safe at 150 as well? Its an 89. __________________ 302, Cobra upper and Lower Intake,UDP's,BBK Shorties with Flow Dumps, SMog Delete,CAI, 70mm TB, K&N Filter, Timing 14 degrees, Lowered 1.5, 3.73's, Nitto Dr's. "Its not that there is ever too much Horsepower, but not enough traction."

November 12th, 2008, 12:42 PM	#8
sixxxshoooter Regular 1989 Mustang Gt 5.0 n/a Join Date: Nov 2007 Location: Greensboro Posts: 322 iTrader: 0 reviews	Oh ok....Great....Would I need to tune it or would I be able to just take out timing and let her rip? __________________ 302, Cobra upper and Lower Intake,UDP's,BBK Shorties with Flow Dumps, SMog Delete,CAI, 70mm TB, K&N Filter, Timing 14 degrees, Lowered 1.5, 3.73's, Nitto Dr's. "Its not that there is ever too much Horsepower, but not enough traction."

November 12th, 2008, 08:39 PM	#10
gotn20 Atomized Join Date: Feb 2008 Posts: 1,370 iTrader: 0 reviews	I have a 200 on mine I've dont everything to 100-200. 150 is a good stoping point just don't ever jet up or you'll never want to go back lol. I did over 20 bottles through my stock motor with 188,000 mile befor i had to yank it and freshen it up and I'm still spraying 200 with zero issues. Just don't get greedy with the timing the extra ten horses from more timing just isn't worth it.

November 12th, 2008, 09:16 PM	#11
-Joeyy- Banned 1989 Join Date: Sep 2008 Location: Mastic Beach Posts: 392 iTrader: 0 reviews	whats so bad running your car more advanced? i know it will eat a hole in the piston after a long period of time. but what other reason?

November 12th, 2008, 09:27 PM	#12
laztug Regular 1993 Mustang GT Join Date: Jul 2008 Location: Big, Texas Posts: 229 iTrader: 0 reviews	Nice to know whats do they hit in the 1/4 ball park with the 150 and 200 shot?(with drag radials)

November 12th, 2008, 09:42 PM	#13
91cobra5.0 Hardcore Enthusiast 98 Cobra Join Date: Jan 2008 Location: Bay Area, Ca Posts: 2,057 iTrader: 0 reviews	all stock? probroly 11 to 12

November 12th, 2008, 09:57 PM	#14
Traidmarx Hardcore Enthusiast 1995 Mustang GT SLOWER THAN OLD PEOPLE FUCK..:-( Join Date: Aug 2008 Location: Roanoke,VA Posts: 2,075 iTrader: 0 reviews	u sure??? i doubt that at stock 5.0 would see 12's on a 150 shot and DR's

November 12th, 2008, 09:59 PM	#15
-Joeyy- Banned 1989 Join Date: Sep 2008 Location: Mastic Beach Posts: 392 iTrader: 0 reviews	no way low 13's or very high 12's

November 12th, 2008, 10:14 PM	#16
Traidmarx Hardcore Enthusiast 1995 Mustang GT SLOWER THAN OLD PEOPLE FUCK..:-( Join Date: Aug 2008 Location: Roanoke,VA Posts: 2,075 iTrader: 0 reviews	i don't think you'd even see low 13's probably high 13's with a good 60ft. low 14's without bad one

November 12th, 2008, 10:17 PM	#17
-Joeyy- Banned 1989 Join Date: Sep 2008 Location: Mastic Beach Posts: 392 iTrader: 0 reviews	what do they run stock?

November 12th, 2008, 10:22 PM	#19
Traidmarx Hardcore Enthusiast 1995 Mustang GT SLOWER THAN OLD PEOPLE FUCK..:-( Join Date: Aug 2008 Location: Roanoke,VA Posts: 2,075 iTrader: 0 reviews	okay yes with bolt on's high 13's could be possible. but from what i read it says stock...so i don't consider bolt on's stock.

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