Bets on what my RWHP will be

Information on the naturally-aspirated KA24E and KA24DE engines.
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DriftingisLame
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Car: '91 240sx coupe, rb20det

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Cool well thats encouraging, shootin for about 170 hp. I think I'll hit that with a few supporting mods...


Nismo_Freak
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214kka-et240sx wrote:2bn s13 knows nothin bout nissan you dont have to spent 2k on a fuel management system you are wrong heshe knows more bout hondas
And you do?

Don't be trollin' chief.

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Ni2s4s0aSnX
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I seriously doubt you will get anywhere near 250-275, my guess is around probably 200-205 maybe a little bit more.(wilson101)

240sx2soon
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I'm guessing about 400, no make that 450 monkey power to the wheels Horse power is nice to brag about but how fast is it... the old early 70's and late 60's muscle cars had 350 to 450 horse power but couldn't get out of their own way. On the other hand a new lotus has around 180hp and is running 4 second 0-60 times and 12's in the quarter.

I'm not knocking old muscle cars I'm just using that as an example so hold on the flaming

that said..... between 400 and 450 monkey power sounds right

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artemous
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Joined: Mon May 30, 2005 8:50 am
Car: 95 240sx Ka24de. 81 datsun king cab. 9 corvairs

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I have to know what kind of main bolts you are using and if you chamfered the oil filter boss inlet before I can make a guess. Also did you put synthetic grease on the main seals when you rebuilt it?

167rwhp.

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Ajax
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2010 Mazda 5

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ARP bolts are being used I believe. And as of right now the engine still has not been rebuilt because of Fisher Concepts inability to finish the last part which was ordered 8 weeks ago and originally promised 2 weeks later, then another 2 weeks then the next week- I'm really hating that company.As far as the chamfered inlet goes. That will be left up to the mechanic who is doing the rebuild.I'd have rebuilt it myself except for 4 things:Time, Equipment, Knowledge, and Space...

dfw240_EE
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240sx2soon wrote:I'm guessing about 400, no make that 450 monkey power to the wheels Horse power is nice to brag about but how fast is it... the old early 70's and late 60's muscle cars had 350 to 450 horse power but couldn't get out of their own way. On the other hand a new lotus has around 180hp and is running 4 second 0-60 times and 12's in the quarter.

I'm not knocking old muscle cars I'm just using that as an example so hold on the flaming

that said..... between 400 and 450 monkey power sounds right
I understand your point, but remember the muscle cars were tested on a different standard. SAE Gross I believe.

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Ajax
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^^^ True and all, but this thread was just started to pass the time until I get my car back.

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Ajax
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Okay, the last part has finally come. Fisher Concepts took 2 1/2 months to get me a part they originally quoted taking 2 weeks...Anyway, the engine is now at the machinist getting balanced, then will be put together by my mechanic, who will also start the break-in for me since I have limited time right now. I should get the car back in time to drive it for 2 weeks and then put it in storage for the winter...It will be dynoed, and I will post results.

InsanityInc
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I'm guessing anywhere from 180-200whp.

Also, muscle cars of days of yore had absurdly inflated HP numbers. 400 horsepower in an old muscle car under SAE gross might actually only be 250 or so under SAE net (like the cadillac 550ci). Not to mention they ususally weighed over 2 tons. Horsepower:weight ratio is what matters, and we're all quite aware of the weight of 240sxes.

mirra32
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Joined: Mon Sep 06, 2004 11:03 am

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i though i would read these three pages and finally get the proof and nothing the suspence is killing me

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superDorifto
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Car: 1997 Eclipse Spyder - AWD/5spd swap in progress
1995 Q45 - 5spd swap in progress
1984 200sx hatch(KA-t swap) - 355WHP
1991/1993/1995/1997 240s - Dead
1982 200sx hatch - fixed/scrapped
Location: CT

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WAY under 250, lets see the dyno results....

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Ajax
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2010 Mazda 5

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Yeah, sorry this is taking so long- believe me this summer has really sucked witout my 240, but I've saved on insurance!Car should be ready by the end of August, right while I'm in the middle of Renaissance Festival season. I'm hoping to pick it up in early/mid September when we will dyno it.Update on parts as well, since I've had all the extra time to accumulate cash, I added a Koyo Radiator and electric fans.

nyckanny
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bout 145 kilowatt

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JimmyMethod
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So, 240sx2soon, what exactly is the conversion factor between monkeypower and horsepower?

Anyway, the reason the Exige runs 4.9 0-60 is that it weighs NOTHING...I believe on Top Gear, they called the 190 horsepower in that light a car, "A Saturn V rocket in a food blender" No normal car (read: Safe in the presence of an SUV) will do that.

However, they DID have a cool little segment where they had the British Army take an Apache helicopter and see if it could get missle lock on an Exige in one lap of the Top Gear road course, and it couldn't...I must say though, that was one of the most badass things I've ever seen.

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Ajax
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One of the writers for Sport Compact Car (Josh Jacquot or Dave Coleman) wrote an article introducing the term monkeypower. From what I remember it was basically just to show that horsepower is kind of an arbitrary number. Article was probably like 8 months or so ago.

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JimmyMethod
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Yeah, it's arbitrary, but so is everything in English units...Metric is SOOO much better, if only SAE would catch on...

InsanityInc
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Ajax wrote:One of the writers for Sport Compact Car (Josh Jacquot or Dave Coleman) wrote an article introducing the term monkeypower. From what I remember it was basically just to show that horsepower is kind of an arbitrary number. Article was probably like 8 months or so ago.
Horsepower isn't any less arbitrary than any other measurement of power.

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Ajax
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Arbitrary probably wasn't the right word. "Horsepower isn't directly quantifiable." Would that be better? Since you need to transfer measured torque through a formula to get horsepower? I'm not too sure, I work in real estate and as an actor...

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JimmyMethod
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Real estate and an actor? That's pretty diverse...Is there much crossover in heruistics between the two?

dfw240_EE
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I am going to stroke your ego and say 1000HP

I think what they mean by arbitrary is that you put it on the Chassis dyno, and at that time and place, at that environment, you have X HP, and it is pretty accurate. But engines are just so finicky. Their performance changes radically for given conditions.

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Ajax
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JimmyMethod wrote:Real estate and an actor? That's pretty diverse...Is there much crossover in heruistics between the two?
None whatsoever.9-5 pays the bills so that I can do the acting bit and hopefully break even.

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Ajax
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2010 Mazda 5

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God, sorry its been so long for an update. Car is still getting built. Full balance being done currently, as well as rebuilding transmission and replacing flywheel and clutch. With the extra time, I've added forged rods to the mix.Whatever the horsepower, this engine should be pretty much bulletproof, which was the main goal after 217000 miles.Anyway, I've taken 3 days at the end of october to get back to Chicago to pick up the car.

420Sxpres
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Joined: Mon Nov 22, 2004 1:39 am
Car: S-13

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Ajax post numbers and quit scratchin our asses!!!!!

InsanityInc
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Ajax wrote:Arbitrary probably wasn't the right word. "Horsepower isn't directly quantifiable." Would that be better? Since you need to transfer measured torque through a formula to get horsepower? I'm not too sure, I work in real estate and as an actor...
It isn't arbitrary. The formula comes from an expression of how much weight a common horse could pull a certain distance in a certain amount of time. All measurements of power tend to come from somewhere initially. Also, you may as well say that torque is arbitrary, because it relies on "newtons" and "meters", or "feet" and "pounds", none of which are any more "real" than horsepower. They're all man-made concepts to describe something.

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SimpleEnigma
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Joined: Fri Mar 12, 2004 2:27 pm
Car: 1992 240sx Coupe

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yep....1 horsepower is equal to the amount of force it takes to move 550 lbs 1 foot in 1 second. just FYI...

KADreams
Posts: 143
Joined: Mon Mar 28, 2005 3:14 pm
Car: 1991 Nissan 240sx Fastback SE

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My guess.

Untuned: 162HPWith Good Tuning:170HP

Bigvinnie
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KADreams wrote:My guess.

Untuned: 162HPWith Good Tuning:170HP
If you call a Jim wolfe ecu, header, and exhaust good tuning, those are the numbers that the KA can pull without cams, or rebuild.....Ajax is doing a bit more the numbers will be higher....

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Ajax
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Car: 1991 240sx SE
2010 Mazda 5

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The engine is finally all balanced and going through final prep and install. I will be driving it back after thanksgiving, or else I have to buy dinner for a friend, which seems like a bad bet to have made considering the luck I've had with timing on this project. Anyway, I'll be breaking in the engine over the winter on clear days and will get it dyno'ed in the spring. I will post some pictures soon after Thanksgiving.I ended up getting some forged rods in the meantime, as well.

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Ajax
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Alright, update time. Since my dad was in a car accident that is totalling his Maxima (97 SE- anyone interested in parts?), he will be breaking in my new engine over the next few weeks. I should get some pics up here soon. Dyno will be done in spring.


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