4.6l 4v cobra motor

General discussion forum about the 240sx, and a great place to introduce yourself to the board!
slow40
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Ls1pwr wrote: and u wont even notice 50 lbs i have a really bad leaking rack and have no ps and it still easy to drive.
yeah, same thing my gf said.


Ls1pwr
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im sorry your girlfriend is a fat ***, but adding 50 lbs to the center of the car wont do a god damn thing to the handling or braking. But tripling the torque will more then make up for the added weight. now if i had ur cow of a girlfriend in my passenger seat i'd definitely feel the difference compared to my Ls1 swap.

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dj56x
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i have an 01 cobra and the motors are amazing, and the cobra motor has different internals, heads, compression, intake manifold, than any other 4.6l ford makes and they are aluminum block and heads so they dont weigh as much as what you'd think. thrown in a car like a 240sx that weighs alot less than the mustang you'd have an easy low 11 sec. car maybe even high 10's not to mention boosting it would make it out of control. granting you could get traction and keep the car from breaking in half from the torque. but anyway i was just curious if anyone has done it?

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dj56x
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and when it comes to gas milage cobras tuned correctly do get 30+ mpg highway, and can put out over 800hp with just a few mods. and most importantly they sound so much sweeter

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OutToWinPAHC
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Yeah but the 4 cam cobra motor still wont fit without major chassis and steering modifications, which would throw off the vehicles geometry.

Ls1pwr
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im sorry, you must be confusing the cobra block with the lincoln mark 8, the 03 cobra motor is an iron block. thats easily 120+ lbs more then the ls1 just based off the block, add in the dohc and the 50 lbs supercharger and u get 200. thanks

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xckid
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i dont like ford...

sucks...

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dj56x
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i stated that i have an 01, and was talking about an 01 motor. Only the 03-04 blocks are cast iron, all the rest are aluminum, dont talk **** about cobras i know what im talking about when it comes to those motors. and all i wanted from this post was to find out if anyone has done put one in a 240, not to find out who doesnt like ford.

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numbnuts240
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i daily drive an f-150 with a 4.6.

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tEknoS13
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i hate anyting related to GM, they suck.... camaro, corvette, blah blah blah they all SUCK. and the ls1 the biggest most over used piece of **** out there. Remember this is MY opinion no need for people to start an e-war over my opinion.

And whoever said ford 4.6l 4v engines are weak, you are totally retarded.

BTW, did anybody in here know that Chevy went bankrupt and they went to FORD!! LOFL Ford did the right thing and told them to GTFO

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OutToWinPAHC
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This is why we see Ford with Chevy motors all the time right lol. Dude it dont matter, Ford, Chevy,Daimler..... no ones buying anything. Chevy going broke I wonder what that's doing to Mexico's economy.

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EW
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Ls1pwr wrote:im sorry, you must be confusing the cobra block with the lincoln mark 8, the 03 cobra motor is an iron block. thats easily 120+ lbs more then the ls1 just based off the block, add in the dohc and the 50 lbs supercharger and u get 200. thanks
Yes, 96-01 Cobra DOHC is all aluminum. 03-04 are iron AND supercharged.

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urcaptnspeaking
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a cobra engine without a power adder wont hit 10's in the 1/4 bro. An ls1 in a miata barely turns 11.5's and its lighter than the 240 not to mention both motors produced around the same power. The ls1 is probably a lighter setup too, and the ls is probably cheaper as well.

I have an ls1 sitting in my garage.

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dj56x
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my cobra runs a 12.6-12.9 consistantly, non-supercharged with only cai, 4.10 gears, ported heads and intake, and tuned... a few more mods to the motor could easily make a 240 in the low 11's high 10's... not to mention twin turbo'd 4.6l are f'in amazing, just wouldnt be able to drive it on the street, it would never hook up in a 240...

Ls1pwr
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lol id like to see ur car supposedly going 12.6's. i call BS on that until u prove it with a video. my friend has an 01 gt with all the same mods as you + cams and running MT ET streets and his best run is 12.8 at 106 on a 1.7 60 ft. TRUST me you dont even want to begin to compare the ls1 to ANY N/A ford motor.

CAM ONLY LS1 record: http://www.ls1tech.com/forums/...t+cam

HEADS AND CAM, N/A (STOCK BOTTOM END) record:http://www.ls1tech.com/forums/...heads

and keep in mind these are in heavy *** F-body's.

bball212000
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a 12.6-12. is norm for a new edge cobra this those mods.

also http://videos.streetfire.net/v...4.htm

its not 10s but damn fast and the car is full weight at over 3600lbsalso, he is now building a 322ci dohc n/a mod motor, should be awesome

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OutToWinPAHC
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All of us who use LS's in out S13's and S14's know its tight for space.

The Ford 4.6 engine dimensions are... Width Length Height Sump Location Starte LocationSOHC 28 5/8" 28" 26" Front Right

DOHC 30" 29" 29 7/8" Front Right

LSX 24.75 28.75 25.75 F or R Right

Were talking 4-5 inches wider and upto 4 inches taller.This is my car and look how tight the LS fitment is. I dont think the Modular ford engine would fit due to the towers and steering.

No fans installed in this pic Not much to spare Height Steering
Modified by OutToWinPAHC at 7:16 PM 10/31/2008

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urcaptnspeaking
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Ok. Well I mean its a matter of opinion.But buy you some z06 heads for about 800 bucks used, port them, an ls6 intake, and a tune will make the Ls pretty nasty and still cheaper than a 4.6 from a cobra.
bball212000 wrote:a 12.6-12. is norm for a new edge cobra this those mods.
a stock ls1 f-body AUTOMATIC with just a shiftkit and street tires Ive seen do 12.8's.

The cobra motor may be a really good motor, but you cant discredit an ls1. Love it or hate it its one of the best motors for any genre of driving.

Not to mention the ls1 I am referring to has been out of production for 6 years. Now you have other variations on the same platform, but thats like comparing the 5.0 to the boss 302.

AND THAT VIDEO ^^ the car has nitrous.... I can put nitrous on my girlfriends escort wagon and go from a 17- 15 second e/t, but Im not a nitrous fan. I was talking all motor when I was making referrences about the ls's

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tEknoS13
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OutToWinPAHC wrote:This is why we see Ford with Chevy motors all the time right lol. Dude it dont matter, Ford, Chevy,Daimler..... no ones buying anything. Chevy going broke I wonder what that's doing to Mexico's economy.
i have yet to see a Ford with a chevy engine in it. At least in front of me where i can see it. i see more ford engines in chevys in that freaken Pinks show on TV.

About the twin turbo cobras, my friend has this setup and all I can say is OMG. simply amazing and this is set only at 8 psi

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dj56x
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thank you for backing up my statement about the 12 sec n/a cobra's bball212000, and that is true that the new edge cobra's run 12's with just those simple mods. and ls1pwr your still just trying to argue the chevy vs. ford bs that ppl always want to argue, but yet it seems you know very little about what your talking about when it comes to fords so stop trying to just fight with ppl online and go do some research. svtperformance.com would be a great place for you to start. and like i stated earlier i dont care who thinks whats better all i was asking when i started this was if anyone's done it.

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EW
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tEknoS13 wrote:
i have yet to see a Ford with a chevy engine in it.
Common swap.With a 4.6L, you just have to spend so much more money and go power adder to get the same HP as LS1, 2, etc NA. Nobody has brought up the 69cu in advantage that the LS1 has on the 4.6L.

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slyedog240sx
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there are a million old hot rods out there that are ford that run a chevy powerplant. Tons of em.

Ls1pwr
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research what? that fords are pitiful N/A? you had to port your heads to run what high 12's? hmmm thats pretty pathetic seeing as there are ls1's with BONE STOCK heads running low 10's with videos to back it up not some bull$hit word.

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OutToWinPAHC
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Stock heads but with what else? And in what car? I cant see a bonestock LS1 or na modular doing 12's in their desinged cars. With work NA yes, but not stock

An LS1 F-body with full bolt ons,long tubes, and high flows and tune will do high 12's

A stock LS1 in a Miata will do 11.8s

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urcaptnspeaking
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Wrong. An ls1 STOCK motor , shift kit yes, can run consistant high 12's in its intended vehicle (what Im referring to is a T/A). Ever seen the show 'pass time'? There was one on there that did it.

Im not arguing or anything man, Im just saying it is very possible to get into the 12's with no motor mods with an ls1.

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OutToWinPAHC
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Shift kit ona 4L60E or 4L80... its done by the PCM not via kit. There are upgrades as far as clutches and servos but no actual shift kit. And stock is stock nothing done.

Ls1pwr
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im sorry our definition of stock is different. i said stock heads meaning they werent ported or polished at all, changing valvesprings and other valvetrain components doesn't change the fact that its a stock cylinder head. ive seen bolt on Ls1's run high 11's and there are plenty of videos on ls1tech to prove it.

Honestly i think it really comes down to the !driver mod, that makes the biggest difference like how motor trend ran an 11.8 at 125 with a stock 06 z06 and Ranger ran an 11.2 at 127 with a stock 06 z06.

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urcaptnspeaking
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I was using the term shift kit, I never said anything about it being in the transmission. And, I also said "Stock motor". As far as I am concerned adjustments to the computer like that barely constitute for being called "modded"

There are vehicles that change like my old 97 SSEI and have "sport mode" for both suspension and ECU where it would shift harder and at a higher rpm. The suspension would stiffen and the steering wheel would feel "tighter"

So in saying that I barely call "shift kits" in a things like that a mod.Not trying to start an arguement or anything man, so dont get uptight. I guess its a matter of opinion.


Modified by urcaptnspeaking at 6:17 PM 11/2/2008

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mRodiek
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offroadbob wrote:Now there is a difference between sohc and a ohv engine. The LS1 and the 302 are both OHV engines not sohc engines. They use push rods, and over head valves. Sohc is like the kaE and a dohc is like the kaDE. I just wanted to clear it up from earlier posts. Someone said the 302 was sohc engine on the right side of the first pic.
thank you loli was reading through here lookin at how many people called the LS1 an sohc just waiting for someone to correct them haha

silly peepz learn yo stuff fools! lol

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dj56x
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urcaptnspeaking wrote:I was using the term shift kit, I never said anything about it being in the transmission. And, I also said "Stock motor". As far as I am concerned adjustments to the computer like that barely constitute for being called "modded"

There are vehicles that change like my old 97 SSEI and have "sport mode" for both suspension and ECU where it would shift harder and at a higher rpm. The suspension would stiffen and the steering wheel would feel "tighter"

So in saying that I barely call "shift kits" in a things like that a mod.Not trying to start an arguement or anything man, so dont get uptight. I guess its a matter of opinion.

Modified by urcaptnspeaking at 6:17 PM 11/2/2008
either way they still get the same kind of power, and sound cooler... besides this thread wasnt even about which is better


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