what will 350-400hp do

Post by **thes14project** » Tue Apr 06, 2004 4:48 pm

in a 98 240sx? I mean is 400hp in a 240 like 400hp in a corvette or mustang?

Post by **Onizuka** » Tue Apr 06, 2004 4:48 pm

I think 400hp in a 240 would be more "whoa!" that in a vet or stang because the 240 is lighter.

Post by **thes14project** » Tue Apr 06, 2004 4:48 pm

I know movingviolation had like 350h.p. Point is, if I race say Rx-7's 5.0 stangs and the like do I have a shot?

Post by **Onizuka** » Tue Apr 06, 2004 4:48 pm

Only way to really know is to go out and do it.

Post by **thes14project** » Tue Apr 06, 2004 4:48 pm

ah so true

Post by **Onizuka** » Tue Apr 06, 2004 4:48 pm

Not to comment on your driving skills, but if someone did beat a 400hp vette or whatever, it may have just been because they are a better driver than you or visa versa. Too many factors to be certain. I mean, last time I went to the drag strip I saw a 700hp chevy nova rip a whopping 18sec quater mile, the reason was solely that the guy could not control the car.

Post by **thes14project** » Tue Apr 06, 2004 4:48 pm

even more true

Post by **Morph** » Tue Apr 06, 2004 4:48 pm

Not so sure about beating a RX-7. Those things are powered by magic.

Post by **extheflow** » Tue Apr 06, 2004 4:48 pm

5.0 stangs aren't impressive at all really..sure you have the guys that run 10's on street tires and junk,but they are kinda like civics.the fast few are dramatically outnumbered by the rest wich are rockin the ole' h-pipe and flowmaster combo that won't even get them into the 14's.

Post by **f150intally** » Tue Apr 06, 2004 4:48 pm

Those old 5 liters bonestock only made like 225 at the flywheel.

Post by **f150intally** » Tue Apr 06, 2004 4:48 pm

With 400whp and good driving skills, you will annilate most anything on the street as long as you have adequate traction.

-Jay

Post by **matt4pl** » Tue Apr 06, 2004 4:48 pm

400hp is also kinda ambigous. 400 hp at waht point in the curve, depends on your shift points, the torque curve, tires, traction, RT, etc... but keeping it strictly mechanical, 400hp is killer in a 240, seeing as how you'd have about 350 lbft of torque to go along with it in a pretty flat curve(or so i think) point is, it will depend a lot on how you tune it to get it to 400hp. a "ideal" set up would be fastest, while a safety setup with the 400hp might not be quite as aggressive and not as fast. then the matter of what turbo you're running and all. crap that was a buzzkiller. sorry for babbling....

Post by **SRdave240** » Tue Apr 06, 2004 4:48 pm

I have raced and beat the following cars (stock) with about 220whp...Latest gen supra turboMustangs (5.0's and 4.6's)DSM (1st and 2nd gens)turbo b16 hatchbackssc GSR hatchbackZ28 (yet to race a Camaro SS)

I've lost to...FD RX7 (wasn't stock)C5 corvette (probably stock)ITR Hatch (all motor but every bolt on)

I can't imagine wht 400whp would be like. Definately getting it to the ground will be your biggest problem. If you could do that you could smoke almost anything!

Post by **MadSideways** » Tue Apr 06, 2004 4:48 pm

A corvette z06 puts down roughly 355whp, and pulls a 12.7 quarter mile on street tires. And weighs in at around 3200lbs I believe.

A 240sx with 355whp will pull 12's in the quarter mile aswell, depending on the driver and tires. It's a pretty even match. A 240sx with 380-400whp should pull high 11's with a competant driver.

However, a z06 with basic mods, (intake exhaust, y-pipe, pullies, chip, etc.), typically can make up to 500+whp and pull low 11's high-10's.

I would expect that you would see more modified z06's than stock z06's at a drag-strip. Lord help you if you find a z06 with a Lingen-Felter twin-turbo kit making 800whp and breaking into the 8's.

Post by **thes14project** » Tue Apr 06, 2004 4:48 pm

matt4pl, you have alot of really good points. As do the rest of you. Yea I've never seen a Liginfelter Z06, but I got a buddy with a Z06 that has a supercharger and 100 shot of NO2. That thing is scary push me into the seat holy **** I'm scared fast.

I don't know if you guys read my other post, but the reason I'm asking all these questions is because I just started my new project. 350-400 is my goal. Right now, I'm stuck over weither to make it with a bolt on turbo or t3/t4. Ya know my bigggest thing is having a good toque curve. I mean that's why I bought the 240 in the first place. Anybody care to comment?

Post by **matt4pl** » Tue Apr 06, 2004 4:48 pm

so you're going KA-T? wrong forum, but thats beside the point. its always nice to get a custom turbo, or match up turbines and compressors to meet your needs, ie top end or spool up. but with about 400hp, you can pretty much get a setup that will do both, spool fast adn not max out at higher rpms, whatever you do ,enjoy it man, i wish i had the $ for turbo or SR

Post by **extheflow** » Tue Apr 06, 2004 4:48 pm

he was referring to a turbo that will bolt to the stock SR manifold i think.either way it'll cost about the same from what i can figure.big bolt on turbos are more expensive than t3/t4 hybrids,but you spend the money you saved on a manifold. so really you're getting topmount bling at the expense of a BB center section...unless you get that in the hybrid,but that will likely cost more than a big bolton. factoring in the manifold. personally i plan on a bolton turbo with my next round of upgrades.

Post by **dj_lennon_franz** » Tue Apr 06, 2004 4:48 pm

400HP in a S chassis will be like WHOA period..lol...most vettes and mustangs have a REAL hard time losing me (if they can pull me at all from a roll) just on my FMIC and 100 octane with 10psi...you can easily pull 400+ hp to the crank with a good T3/T4 setup and a few other engine mods...but be VERY careful when u do this if you dont wanna replace the rods and headgasget...the SRs stock internals arent made to handle THAT much power...im shooting for 350-375 to the crank and thats pushin it on the stock rods...but with the right turbo setup and engine mods u can make 400+ HP VERY EASILY...that 400hp will easily burn 90% of the mustangs and vettes that are dumb enough to mess with ur S chassis =)

Post by **f150intally** » Tue Apr 06, 2004 4:48 pm

Quote »A 240sx with 355whp will pull 12's in the quarter mile aswell, depending on the driver and tires. It's a pretty even match. A 240sx with 380-400whp should pull high 11's with a competant driver. [/quote]Actually you should be running mid-high 11s with 355whp and full traction. Aubrey ran a 12.3 with limited traction and 325whp, with a full interior. Derek Greaser ran a 10.92 with 385whp and a stripped 240. Enjuku ran a 12.80 with the stock turbo making 250whp. My car is in the low 13s with 244whp.

With 400whp and a stripped down 240 you should be running low 11s if you have full traction. Super drivers should be able to pull high 10s like Derek Greaser. And that was on a bonestock suspension.

Quote »I would expect that you would see more modified z06's than stock z06's at a drag-strip. Lord help you if you find a z06 with a Lingen-Felter twin-turbo kit making 800whp and breaking into the 8's. [/quote]

I agree, how can anyone leave one of those things stock? I have personally sat in a Lingen-Felter twin-turbo vette and it was crazy. The guy had a custom badge mounted on the center console that said "650rwhp, low boost" that was like on 8lbs of boost or something crazy.

-Jay

Post by **f150intally** » Tue Apr 06, 2004 4:48 pm

dj_lennon_franz wrote:you can easily pull 400+ hp to the crank with a good T3/T4 setup and a few other engine mods...but be VERY careful when u do this if you dont wanna replace the rods and headgasget...the SRs stock internals arent made to handle THAT much power...im shooting for 350-375 to the crank and thats pushin it on the stock rods

These statements are false. 400 flywheel horsepower is a walk in the park for the stock rods as long as you have an appropriate tune. It is very well known that the stock bottom end on an SR has been known to handle 400rwhp easily for extended periods of time. You obviously can't beat on it every time you drive it. Enthalpy from Secret Services has many customers making 400whp in daily drivers for like 18 months. Anything over 400whp and you will want to consider upgrading the headgasket and going to headstuds. There are even several sr20s in the states making well over 500whp on bonestock blocks. I can think of atleast 5 off the top of my head.

1. Phase2 - 525whp2. Secret Services - 539whp3. Hybrid Performance - 584whp4. NRG Performance - 545.1whp5. Enjuku Racing - 544whp

These are all using bonestock blocks.

-Jay

Post by **dj_lennon_franz** » Tue Apr 06, 2004 4:48 pm

eh most people i know with that sort of power in their SR dont take chances and replace their rods and bearings around the 400-500 mark hp

Post by **f150intally** » Tue Apr 06, 2004 4:48 pm

dj_lennon_franz wrote:eh most people i know with that sort of power in their SR dont take chances and replace their rods and bearings around the 400-500 mark hp

how many people do you know that are making that much power on an sr20det and who tuned them? All the cars I've listed above are the top tuners in the united states.

Post by **dj_lennon_franz** » Tue Apr 06, 2004 4:48 pm

couple people out of cali...and a few in arizona...most of their **** is tuned and tuned nicely...but i still wouldnt wanna push 400+hp on stock rods and bearings...one of my best friends has been a S13 tuner for YEARS...hes shown me pics of what happens when those stock internals u say will hold 400+ easy blow up...not pretty

Post by **f150intally** » Tue Apr 06, 2004 4:48 pm

dj_lennon_franz wrote:couple people out of cali...and a few in arizona...most of their **** is tuned and tuned nicely...but i still wouldnt wanna push 400+hp on stock rods and bearings...one of my best friends has been a S13 tuner for YEARS...hes shown me pics of what happens when those stock internals u say will hold 400+ easy blow up...not pretty

not me saying that. Just the people that hold the united states record for most power on a stock bottom end.

what will 350-400hp do

what will 350-400hp do

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