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Ineed2speed said:
I highly doubt the rb26 can make 1000hp on stock internals. Put all that money you drop into the rb26 and into the 4.6liter v8 and you'll have more than 1000hp. The owner of accufab has a cougar with the same engine as the 03 cobra, 4.6liter v8 built like crazy with twin t76 turbos and it runs 6s. Come on now. Let's be a bit more realistic. If you build both engines and modify them both heavily, who do you think is going to be faster?
Who ever said anything about stock internals?

If you want an extremely fast, streetable car, I'd take a 2.6 with a big turbo over a supercharged v8 anyday.

No one is arguing ultimate potential, but if you want to argue bang for the buck.

For the thirty plus stacks your gonna spend on a cobra, you could build a s13 with an awd rb26dett with internals, a strong, capable drivetrain from clutch to tires, and prep the whole body (cage and everything)

At that point youd probably have a 240 with an engine capable of supporting big big big power, a chasis with the ability to put it down, and from a baseline its already lighter and faster then the mustang

then start spending loot on the mustang and the 26 is gonna be looking at bigger turbos fuel upgrades, blah blah blah.....oh whats that, two ehads to work on, two cylinder banks to buy parts for, the 26 only has one......
 
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Ineed2speed said:
I highly doubt the rb26 can make 1000hp on stock internals. Put all that money you drop into the rb26 and into the 4.6liter v8 and you'll have more than 1000hp. The owner of accufab has a cougar with the same engine as the 03 cobra, 4.6liter v8 built like crazy with twin t76 turbos and it runs 6s. Come on now. Let's be a bit more realistic. If you build both engines and modify them both heavily, who do you think is going to be faster?
I never said that was on stock internals. I may be wrong on this, but I believe about 800whp has been achieved on stock internals.

I think you're getting off on a tangent here. I was never referring to a funny-car. I'm talking about something street driven.
 
I'm sorry, I just can't take you seriously when the only image I have to associate with your name is a set of glorious cheeks.
 
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I still don't understand how the cobra is having the easier cheaper performance factor. I really don't see how a non-turbo engine like the v8 in the cobra, even one that does great it does with mods, it's still nothing to an inline turboed 6 like the 2jz or Rb26 where all you would really need is a boost controller and your already ahead :p

Turbo owns N/A in terms of ease and bang for your buck power. No comparison. I thought we all knew that. :12dunno
 
Discussion starter · #45 ·
guys dont forget i know i will have to put down less money cause he actually has to spend over $30,000 just to get the car stock. do you think i should get my swap at jspec and get it down where i know its ganna come out good

Thanks
 
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There is just something about big v8s you just cant mess with. How do you guys expect to hold your ground against those heavily modded cobras with a 2.6 liter engine? I

All I have to say to this is 980RWHP stock internals Supra...Stubby
 
****** said:
13b's are small, theyre not that much lighter than the stock ka.
Yeah but they're a hell of alot lighter than the RB26.

I'm just thinking if you took the amount of money it would cost to swap a RB26 in a 240sx and get it running and take the same amount and dump it into a 5.0 or some of the newer GT's, I would guess that the mustang would be faster.

Also, why is everyone so deadset on taking out stock mustangs? It seems like whenever I go to a import message board theres alot of hate for the mustang.
 
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****** said:
Who ever said anything about stock internals?

If you want an extremely fast, streetable car, I'd take a 2.6 with a big turbo over a supercharged v8 anyday.

No one is arguing ultimate potential, but if you want to argue bang for the buck.

For the thirty plus stacks your gonna spend on a cobra, you could build a s13 with an awd rb26dett with internals, a strong, capable drivetrain from clutch to tires, and prep the whole body (cage and everything)

At that point youd probably have a 240 with an engine capable of supporting big big big power, a chasis with the ability to put it down, and from a baseline its already lighter and faster then the mustang

then start spending loot on the mustang and the 26 is gonna be looking at bigger turbos fuel upgrades, blah blah blah.....oh whats that, two ehads to work on, two cylinder banks to buy parts for, the 26 only has one......
My point is that the rb26, being one of japan's greatest motors alongside the 2jzgte, is that its a limited 6cylinder engine that produce great amount of power at the sacrifice of turbo lag and so if you can boast a 1000hp rb26dett im sure there are plenty of cobra owners who can hit 1000hp just the same but more efficiently without having to rebuild anything. V8 + Big turbo > inline 6 + big turbo. X2c motorsports turboed a 03 cobra and it put a lil over 700rwhp on 17psi and pump gas. There were some minor fuel mods and a chipped ecu from Diablo. That's a bit extreme though since these turbo kits for 03 cobras do cost quite a lot. I wouldn't mind spending 30k for a brand new car that is quite mod friendly and able to put out good #s. It's just not in me to dump over 15k in mods into a car that is ~2k. I still stand behind it'd be a good race between the somewhat modded rb26 powered 240 vs a bolt on cobra. And if you guys look at it bang for buck and don't really care for having a new or used car, then sure the rb26 powered 240 is going to be more cost effective. So come on guys lets get a race on vid going!

Oh and yea the 2jz gte is a very respectable engine and mike carlin's 980rwhp supra on his automatic was very amazing but he's got massive turbo lag. Slap a similar sized turbo on a 03 cobra and see what happens.

Also esco, i'm not sure what are you trying to say? The stock 03 cobra comes supercharged and i don't really consider that n/a. And we all know turbos are more efficient than superchargers. I don't understand how you can say that the 03 cobra's engine is nothing compared to a rb26. Please expand.

Don't get me wrong guys, hell im doing a rb25det swap soon into a 240 as soon I can allocate some funds but I know that it'll be hard to keep up with a modded 03 cobra. Let me do my swap and I'll get a vid of me racing my friend's 03 cobra which has bolt ons but a stock blower that's been ported. I respect the rb26, 2jz gte and the cobra. I just can't get past the fact that you can make a lot more power with a turbo v8 than a turbo 6cylinder and have less turbo lag with some measly pump gas.


---Off topic---
Lastly, since i'm planning on doing my rb25det swap soon, I have connections with Venus Auto. If anyone is down to get in on a group buy for some rb25dets I can try to organize something for us. My friend who works there is willing to help me out and I'm pitching her the idea of helping them sell some engines but at a good price. PM me for details and I'll try to arrange everything.
 
junia said:
Yeah but they're a hell of alot lighter than the RB26.

I'm just thinking if you took the amount of money it would cost to swap a RB26 in a 240sx and get it running and take the same amount and dump it into a 5.0 or some of the newer GT's, I would guess that the mustang would be faster.

Also, why is everyone so deadset on taking out stock mustangs? It seems like whenever I go to a import message board theres alot of hate for the mustang.
i hate rustangs cuz they are everywhere.

anyways speaking of taking out rustangs, well look at the 240, it's a weakling(compared to rustangs), rustangs have that reputation for being muscle, so ppl take the rustang and when they beat that piece of shit they'll know where they stand and move up in the food chain. the day i take out a v8(6 cylinders is all you need hence 2jz or rb) ill be very happy, then next up is the dumbass viper. now that's a waste, all them liters and cylinders and it makes only 500hp????? damn!
 
junia said:
.I'm just thinking if you took the amount of money it would cost to swap a RB26 in a 240sx and get it running and take the same amount and dump it into a 5.0 or some of the newer GT's, I would guess that the mustang would be faster.
alright lets take a newer used mustang gt($10-15grand) and a 240 with blown engine($500-$1000) Now the rb26dett ($12grand), now with $2grand-$3500 in th hole, the 240 will be faster. I choose a new mustang to compare for 2 reasons stock it has more power than the older ones, and it will probally have have less than 70k miles( the rb26dett will have only 30k miles)

Also, why is everyone so deadset on taking out stock mustangs? It seems like whenever I go to a import message board theres alot of hate for the mustang.
My big reason i don't like mustangs is the atitude most of thier owners have. Most of them think that thier car is the fastest, best looking, best handling car ever made. They always put 4 and 6 cylinders down.
 
Well, we should be dropping my RB26DETT motor in on Friday. From their it goes to the graphics shop since it's a demo car for my store. We are going to keep the stock twins on their until our HKS GT-RS turbos come in.

I'll post some videos. I've got a friend that has a Cobra and Ill get some video of me racing him if you'd like. I have Power FC &AVC-R, plus tons of other mods.
 
intrexin said:
alright lets take a newer used mustang gt($10-15grand) and a 240 with blown engine($500-$1000) Now the rb26dett ($12grand), now with $2grand-$3500 in th hole, the 240 will be faster. I choose a new mustang to compare for 2 reasons stock it has more power than the older ones, and it will probally have have less than 70k miles( the rb26dett will have only 30k miles)



My big reason i don't like mustangs is the atitude most of thier owners have. Most of them think that thier car is the fastest, best looking, best handling car ever made. They always put 4 and 6 cylinders down.
where the hell you get 12 grand from?
 
The original starter of this thread wanted to go through jspec to do the rb26dett swap into a 240. Their going rate is 12k+ which includes the cost of the clip and he most likely will go to jspec or mckinney, both will probably be about the same cost.
 
Ineed2speed said:
The original starter of this thread wanted to go through jspec to do the rb26dett swap into a 240. Their going rate is 12k+ which includes the cost of the clip and he most likely will go to jspec or mckinney, both will probably be about the same cost.
holy shit jspec and mckinney are a rip off. i believe if i get my business goin, ill sell it cheap enough to where you could use the extra money and hit the beaches here in florida :greddy:
 
I'm not up on my RB series knowledge but I can give some insight on the new supercharged Cobra's.

A local guy that I know bought an 03 Cobra when they first came out. He immediately sent it to Holley Performance in Bowling Green, Kentucky, and they bolted some parts on it to see how it would perform. Keep in mind the car had just come out, and there was really no testing or research done on the parts. With an intake, full exhaust and a simple pulley swap the car made 461 rwhp on the stock computer tune. I've seen cars identical to this run as low as a 12.05 on street tires(not drag radials).

I raced the above described car on the interstate in my Camaro some time ago. We didn't have any track times on his car, but mine was good for 12.50's, and he beat me easily. Probably put 3-4 carlenghts on me from 60-100.

I'd really like to see some videos too. I see a lot of people on here saying "well I'm gonna do this..... then I'm gonna smoke that....", and to be honest it just sounds like rambling. I find it hard to get a clear indication of what an RB(any RB motor) is capable of in near stock form or otherwise. So if anyone has some videos of an RB anything powered 240 racing anything I would like to see.
 
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