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Author
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Topic: one word of advice to those with 4.6 engines
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302n/a
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Member # 1465
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posted
 
 
they suck i blew my engine up on friday after installing a nos dry kit it ran lean on #7 cylinder drew was driving it and it blew up first try now im stuck with a car payment and the major cost of replacing my engine.I will never ever throw a power adder on this engine again until its built fords internals are a joke and their quality.At 20k mi my tranny went and now at 40k mi my engine went i have no q's about drews work it was a very very good job.My advice is to all who have new mustangs or prior cobras to the 03 don't put forced induction on these cars unless you got the $$$ to rebuild otherwise your asking for trouble if your car is paid off then go for it but now i see why people say why they race their cars they make payments on well i learned my lesson now i can hope to prevent this from happening to someone else and if anyone knows of someone who has a 99-02 gt engine please let me know thxs
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Raiders A's Warriors Sharks
Posts: 2605 | Registered: Jun 2002
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Drew B
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Member # 698
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damn, what size shot did you run i thought those motors where dorable, arn't they 4 bolt main blocks ![[Confused]](confused.gif) we put a blower on my boys 2000 gt ran 14 poundsd of boost and his never broke.
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AKA.GR40coupe
Posts: 1992 | From: Nor-cal | Registered: Jan 2002
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StoplightWarrior
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Member # 211
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That sucks erik!!!
holy shit!!!
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2000 GT
couple bolt ons
Check out the website: peep it
Posts: 2952 | From: Bay Area, CA | Registered: Mar 2001
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Gear Head
JARED
Member # 779
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posted
First off you screwed up because you installed a NOS system. Second I hope you didnt go above a 75 shot unless you have a larger fuel pump.
Dont you still have warranty? Take all the nitrous stuff off the car and all the other mods and take it in for warranty. Say it blew up as you were getting up to speed on the freeway on ramp.
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Support our troops!
Posts: 5685 | From: EASTBAY | Registered: Jan 2002
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Chris M.
Ignore me, all I do is argue online!
Member # 1708
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quote:
dry kit it ran lean on #7 cylinder
i think i found your problem and it doesn't seem to be the crappy ford internals.
Posts: 2828 | From: West Bay, CA | Registered: Aug 2002
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racercosmo
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Member # 1864
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We have a 2001 4V engine sitting in the shop, new in the plastic.
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Beauty is in the eye of the beer holder
Posts: 973 | From: Marin | Registered: Sep 2002
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JoeT
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Member # 298
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sucks man. I'm test piloting a NX 'wet' EFI kit myself right now.
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1984 Ford Tempo AOD--- RIP
Posts: 6785 | From: San Jose | Registered: Jun 2001
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Hungry Hippo
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Member # 537
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shoulda stuck with the NX
sorry to hear about that though eric. 4.6 shortblocks arent too expensive now, check out an issue of mm&ff... dss and some other places sell built ones, daves mustang parts and mustang parts specialties probably have some used
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05 S4 Avant(wagon)
09 C6 H/C/I
Posts: 2959 | From: east bay | Registered: Nov 2001
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v6mustanglover
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Member # 545
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posted
That sucks. But you knew the risk and took it. Don't blame FORD for your engine blowing up.
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Adam
2004 F150 Crew Cab
6" and 35's
Posts: 1307 | From: Hayward | Registered: Nov 2001
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JohnB
Tech Moderator
Member # 969
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posted
I had a T trim on a 97 Cobra...no problems at all. Trust me, that thing got beat on stop light to stop light... ![[burnout]](graemlins/burnout.gif)
You sure you had an adaquate fuel system?
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1965 Shelby Cobra
1993 Cobra
2012 F150 Raptor
2020 GT500
Posts: 6523 | From: Orlando FL/Redding CA | Registered: Mar 2002
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ls1rider
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Member # 1677
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posted
damn sorry to hear that eric ![[Eek!]](eek.gif)
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FAF'n
Posts: 144 | From: pinole,bay area | Registered: Aug 2002
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302n/a
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Member # 1465
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posted
i had a 100 shot on the car and the reason i say the 4.6 sucks is because i know of a lot of 5.0's that had 190 shot on em no problems at all even with no precaution such as timing or anything this kit came with a fuel enrichment system so it shouldn't have went lean on me but that's the risk i took with a dry kit one day when i have enough guts to put a power adder on its gonna bethe new nitrous express fogger kit thats coming out in january that will guarantee me not running lean and i more thing i will never buy a nos product again
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Raiders A's Warriors Sharks
Posts: 2605 | Registered: Jun 2002
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AaronC
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Member # 86
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at least you got 40k out of yours. I got 1k on my built motor ![[Roll Eyes]](rolleyes.gif)
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1991 GT Convertible: Stock 157k mile shortblock, HiTech cam, AFR 165 heads, Edelbrock RPM intake, 1 3/4 headers
12.23 at 112.99
Best MPH 113.97
Posts: 776 | From: woodland | Registered: Dec 2000
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99gt-UJSTLST
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Member # 584
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hey eric sorry to hear that about the engine, yea adding a power adders is always a risk.
you have to have it tuned or back the timeing off alot even 5.0 would blow if the timing is not set right. Even if you built a better motor and you dont have the right tune it will blow no matter what, tuning is always a must. I blew my second motor with forged internals cracked the same piston due to lack of tuning
it just really sucks to blow you car up, shit god nows I been their one to many times
like I said cheapest way to fix it is to buy a junkyard motor put it in and sell your heads thats the most cost effective way of doing it
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SOUTH BAY STANGS
MINOR BOLT ON'S
www.southbaystangs.com
Posts: 2558 | From: SAN JOSE CA | Registered: Nov 2001
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2000BlackGT
Loyalty
Member # 283
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posted
did you pull some timing and get colder plugs?
Posts: 2833 | From: Chico, CA | Registered: Jun 2001
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302n/a
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Member # 1465
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posted
chuck check emails
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Raiders A's Warriors Sharks
Posts: 2605 | Registered: Jun 2002
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Rev Happy
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Member # 661
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Unless you are running the right spark plugs for a Nitrous setup, your motor is basically a ticking time bomb everytime you squeez...
Live and learn bro, you made a rookie mistake and the only place you should be pointing a finger at is toward yourself...
[ November 24, 2002, 08:52 PM: Message edited by: Rev Happy ]
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96 Cobra
Posts: 182 | From: Southern California | Registered: Dec 2001
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Stimson
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Member # 51
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posted
Have you taken apart the motor already to know if you ran lean or detonated? Not retarding timing with a power adder is never a good idea. If you don't understand why, you probably shouldn't be messing around with power adders.
VortechSaleen on here is making about 535HP on a stock SOHC GT motor with some aftercooled boost. His internals are holding up fine. TRY2PAZ made 475+ HP with a power adder and stock SOHC GT motor and it held up.
Posts: 2373 | Registered: Jun 2000
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JoeT
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Member # 298
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You can run rich as often as you'd like. You only get to run lean once ![[Frown]](frown.gif)
Posts: 6785 | From: San Jose | Registered: Jun 2001
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NvrGoFullRetard
CAFords OG
Member # 1633
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posted
GR40COUPE:
4.6 motors actually have 6 bolt mains like the 427's did.
sorry to hear that bro it really sucks to have a car ur still payin on when u dont have a motor for it.i havent driven my car in over a year,but the motor is almost done. ![[Big Grin]](biggrin.gif)
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"formally 4.6 eatin gm's"
white 97gt n/a 320rwhp/325rwtq
01 sierra rcsb lsx 408 (murdered out)
03 ecsb sierra 6.0 on 22's
2011 Tahoe
Posts: 2759 | From: PITTSBURG/FAIRFIELD | Registered: Aug 2002
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liftedF150
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Member # 868
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posted
hey 281/na i may have a 01 gt motor that you might be able to buy for cheap man, let me talk to my uncle he has one siting in his gerage cause he works for ford and he got it from work. its from a 01 gt and it only has like 20k miles i believe. give me a pm or hit me up on AIM: gt91man
later
[ November 24, 2002, 10:45 PM: Message edited by: 1sic91blackgt ]
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GO SHARKS!
Posts: 3259 | From: Discovery Bay | Registered: Feb 2002
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Primer GR40
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Member # 476
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posted
its always number seven on those motors. When my heads came off number 7 was fugged. NOS keeps engine builders in business.
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Superdupercharged Cobra
No Transmatic Notch
Posts: 2108 | Registered: Sep 2001
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Mr.Lucky
CAFords OG
Member # 1772
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posted
quote:
Originally posted by racercosmo:
We have a 2001 4V engine sitting in the shop, new in the plastic.
how much u asking for that?
Posts: 4197 | From: Manteca | Registered: Sep 2002
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iron281
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Member # 80
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posted
I've been running an NOS 5171 at 125 hp. Byron at Racesystems burned a two-way switch chip with a 5 degree retard for N20. A/F in the sweet spot. 9 bottles down, zero problems. Just about 300 rwhp and 400+ lb/ft. Dry kit, wet kit, whatever- I ain't goin' there.
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SHM H-pipe, Flowmaster, SVO pullies, PRO-M77, PRO-5.0, NOS 125 hp shot, Racesystems/Autologic, Precision 3.73
Posts: 385 | From: San Jose, California | Registered: Nov 2000
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