01 cobra engine direct port nitrous setup

5.4mustang gt · March 8th, 2011, 03:33 AM

ok heres the deal some dudewants to trade me a 01 cobra engine with fully built bottom end 8:5:1 compression forged internals port n polished heads valve job on a direct port nitrous kit on race tune has 1200 miles on build n never sprayed nitrous. but spun rod bearing on #3 cylinder due to oil pump goin out but he said as soon as he noticed the tick he shut it off n had his buddy come tow him home n pulled motor hours later.. .................................................. .................................................. ..............................my question is would it b worth trading my 5.4 lightning engine for it and jus replace the pump n rod bearings n be good to go? n how much hp do u think it would have on that setup? he claims with 150shot 600-700hp is expected from wat speedy dyno has told him....

mfj · March 8th, 2011, 12:01 PM

I personally wouldn't touch it... and LOL AT 600hp in a 150 shot. Probably more like 450 rwhp. A low compression 4.6 won't make shit for power. Maybe 300 rwhp because of the head work and cams. Why the hell did he have a low compression motor built for nitrous? Nitrous likes high compression...

zigbigadoru · March 8th, 2011, 12:48 PM

^this

why would you trade a motor that is running and in good condition for a motor that isnt running and in pretty poor condition? it doesnt matter how fast that man turned off that car because the damage was done before he even started reaching for the key.

walk away, just walk away.

5.4mustang gt · March 8th, 2011, 03:54 PM

lol he said he had ordered high compression pistons but manley sent him low compressoin ones n he jus went ahead n put those in cuz he was gonna put boost on it couple months later.

n yea lol good point damage was already done but thought maybe it would b worth it jus cuz low comp pistions n i have a 70mm turbo kit i got from a buddy wen he wrecked his gt so thought maybe easy fix but u never kno wats all wrong with it also like yall said before

SWEET2KSTANG · March 10th, 2011, 11:19 PM

Originally Posted by mfj

I personally wouldn't touch it... and LOL AT 600hp in a 150 shot. Probably more like 450 rwhp. A low compression 4.6 won't make shit for power. Maybe 300 rwhp because of the head work and cams. Why the hell did he have a low compression motor built for nitrous? Nitrous likes high compression...

depends on amount of nitrous sprayed and how its introduced.

DickH · March 11th, 2011, 11:47 PM

the motor probably saw some high revs, a high revving 4.6 can clear 400hp. With a 150 shot, I could believe 600-700flywheel hp. Makes sense too because revs kill the oil pumps. I would go for it, tear it apart and see whats actually going on with the motor, and replace the pistons for a proper CR.

March 8th, 2011, 03:33 AM	#1
5.4mustang gt Regular 5.4 SUPERCHARGED Join Date: Aug 2010 Posts: 204 iTrader: 0 reviews	01 cobra engine direct port nitrous setup ok heres the deal some dudewants to trade me a 01 cobra engine with fully built bottom end 8:5:1 compression forged internals port n polished heads valve job on a direct port nitrous kit on race tune has 1200 miles on build n never sprayed nitrous. but spun rod bearing on #3 cylinder due to oil pump goin out but he said as soon as he noticed the tick he shut it off n had his buddy come tow him home n pulled motor hours later.. .................................................. .................................................. ..............................my question is would it b worth trading my 5.4 lightning engine for it and jus replace the pump n rod bearings n be good to go? n how much hp do u think it would have on that setup? he claims with 150shot 600-700hp is expected from wat speedy dyno has told him.... __________________ 5.4 SUPERCHARGED GT

March 8th, 2011, 12:01 PM	#2
mfj Banned 2001 Cobra Join Date: Feb 2011 Location: Hot Town, AZ Posts: 416 iTrader: 0 reviews	I personally wouldn't touch it... and LOL AT 600hp in a 150 shot. Probably more like 450 rwhp. A low compression 4.6 won't make shit for power. Maybe 300 rwhp because of the head work and cams. Why the hell did he have a low compression motor built for nitrous? Nitrous likes high compression... __________________ 2001 Cobra- Stroked/Poked/Cammed/Blown 1996 Cobra- CF Clutch/STS/Lowered/CAI- otherwise stock... The daily driver... [SIZE="5"][B][COLOR="Blue"]MM Cobra Club #3.4[/COLOR][/B][/SIZE] [SIGPIC][/SIGPIC]

March 8th, 2011, 03:54 PM	#4
5.4mustang gt Regular 5.4 SUPERCHARGED Join Date: Aug 2010 Posts: 204 iTrader: 0 reviews	lol he said he had ordered high compression pistons but manley sent him low compressoin ones n he jus went ahead n put those in cuz he was gonna put boost on it couple months later. n yea lol good point damage was already done but thought maybe it would b worth it jus cuz low comp pistions n i have a 70mm turbo kit i got from a buddy wen he wrecked his gt so thought maybe easy fix but u never kno wats all wrong with it also like yall said before __________________ 5.4 SUPERCHARGED GT

March 11th, 2011, 11:47 PM	#6
DickH MM Fanatic 2003 gt 5.4 32v on the way Join Date: May 2007 Location: Omaha Posts: 4,188 iTrader: 2 reviews	the motor probably saw some high revs, a high revving 4.6 can clear 400hp. With a 150 shot, I could believe 600-700flywheel hp. Makes sense too because revs kill the oil pumps. I would go for it, tear it apart and see whats actually going on with the motor, and replace the pistons for a proper CR. __________________ 2003 Mustang gt - usual mods - slowly working on 5.4 swap 2004 srt4 - Stock DD/winter beater Click here for your tuning needs Before asking a gearing related question click THIS link and enjoy all your saved time.

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