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Turbo or SuperCharger

This is a discussion on Turbo or SuperCharger in the Forced Induction forum
i understand what you are saying, but whenyou are cruising, atleast with me, im around the 2-2.5k rpm range. so waiting that 400rpms isnt that bad, considering 400rpms does come kinda quick. if you are going to redline, where the sc stops making power, the ...

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Old 04-12-2004, 11:26 PM   #26
 
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i understand what you are saying, but whenyou are cruising, atleast with me, im around the 2-2.5k rpm range. so waiting that 400rpms isnt that bad, considering 400rpms does come kinda quick. if you are going to redline, where the sc stops making power, the turbo is still making it. tubo just seems like the better of the two...in more than one aspect.
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Old 04-12-2004, 11:58 PM   #27
 
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having driven sisteve's car several times while it was superchraged...

under 3k, was just like everyother honda motor- boosted, or all motr. pretty worthless for any real power. It's NOT a v8 pushrod, will never be a v8 pushrod, so donn't ever expect it to have a power band like a v8 pushrod.

so what if it wasn't in lag, so what if it was making boost, fact is, it still had no fucking nut.

and for a honda motor that spins to 8k, the parasitic drag on the overall system reduces gain.
some ITR guys i know loose about a pound of boost off their jacksons near redline- because at 8500, the jackson just can't keep up or is out of its efficiency range or something.
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Old 04-13-2004, 01:03 AM   #28
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Quote:
Originally posted by Loco Honkey@Apr 12 2004, 04:37 PM
[b] I'm not even sure where to start with this thread, so I'm just going to jump around...

My article is biased for a reason- because it's the truth based on proven facts and first hand experience.

Havok- I have said my piece in the article. I wholeheartedly encourage you to dispute my article. In fact, I welcome it, because nobody has been able to prove to me that superchargers are superior to turbos when it comes to performance.

Quote:
[b]Steve ran a 13.9 with a JRSC and exhaust in an otherwise stock 99 Civic Si.

Response?
So what? My dad ran mid 12's with a '69 Chevelle 454SS back in the 70's without any blower. What's your point?

Quote:
[b]and like i said before, if you are that concerned with lag put an injector right off the head in the turbo mani... you will NEVER have lag...
And you will NEVER have a turbo last more than a few hundred miles. If you're going to use an anti- lag setup like rally cars, you vent the BOV air into the exhaust upstream of the turbo. Either way, expect to replace turbos with every tank of gas.

Quote:
[b]And SC improves power all around, unlike turbos with their "badass" lag....an S2K with a turbo feels like a D15B7 for about 2K rpms. Some turbo lag isn't noticeable at all, others you can defintely tell.
Yeah, might suck for 2K RPM, but for the other 7000 RPM, it goes like a raped monkey. Turbo lag has to do with turbo sizing and several other factors. Like I've pounded into all your thick heads, you can make a turbocharged car act like a blown or NA car, response wise. Go drive any of the new Saabs.

Quote:
[b]A Turbocharger will make the same power as a supercharger. CFM is CFM. Or you could deal with:

CFM>3000 RPM

to

CFM-Heat-Belt/Shaft Drag>1500 RPM

That's why boost level is arbitrary. 6lbs of pressure on a turbocharger is a whole different ballgame than 6lbs on a supercharger that soaks up a good amount of the engine's original power.
You have the right answer for the wrong reason- the real killer is volumetric efficiency. Roots type blowers are about 50% efficient, which makes a shitload of heat. Heat = no power. Centrifugal compressors (turbos) are around 75% efficient. Less heat = more power. 25% VE differential is a HUGE difference.

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[b]they blow alright, then why do they put out 277hp on a stock engine?
Where do they make that power? How much area is under the curve? How much HP do they make in the 3000- 7000 RPM range compared to a similarly sized turbocharger on the same engine?

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[b]just bolting on a turbo will never get you this high on a stock engine.
Go root around Honda Tech. You'll find about 40 people that are making ~300 or more HP on stock B series blocks with "just" a bolt on turbo.

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[b]And its less boost, and safer for my motor...
Read my Turbo 101 article. Boost is only as safe as your fuel delivery.

I'm done my ass kicking. I'll now retire to my cave from which I crawled from. If Havok can muster a compelling argument, I'll reply, otherwise, ponder my wisdom.
You were right on that point. That's almost word for word what it says in Maximum Boost. I was misspeaking.

Speaking of Corky's book:

"If you're concerned about turbo lag on a car before hitting your massive upswing in torque, the easiest way to avoid lag is to not have a turbo. You can do it NA and can have all the fun you want lagging all the way to redline. "

or somthing along those lines.

Why is this thread still alive?
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Old 04-13-2004, 10:16 AM   #29
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Quote:
Originally posted by Havok@Apr 12 2004, 06:41 PM
[b]
My point is I'm not bashing on all motor setup, like you are with SC's. How can you even compare NA to FI?

All I am saying is that you are wrong by saying SC's are worthless. That is called an opinion...Many people on here have timeslips to prove you otherwise. I respect your opinion, but that biased article shouldn't have been AotM.
OK, first off, 13.9 on a B16 powered car with boost and exhaust? Excuse me, but where do you get that this is fast? That's hardly faster than an ITR with mild bolt ons. My '93 Si hatch with 100 lbs. of stereo in it, full interior, and the stock 130K mile engine, running 10 PSI on a "hair dryer" turbo (which gave me full boost from 2700 RPM to redline, thankyouverymuch- Seany-izzle can attest to this car), and was faster than an ITR powered CX hatch. Now, I've never run in a 1/4 mile because I'm not a drag queen, but I've been told that an ITR powered CX hatch will run 13.2- 13.4, and by that, I'm going to guess that my hair dryer powered SOHC was running 13 flat. Oh yeah, and I spent about a grand on the turbo setup.

My "opinion" of superchargers being worthless is not an "opinion." It is a fact based on what I have learned over the years, and what I have seen with my own eyes and felt with my own hands. Superchargers cannot and will not EVER come close to anything that a turbo can do. Lag? Well no shit there's lag, but why the fuck are you lugging the engine blow 2000 RPM? Low end torque with good top end? Maybe if your cheap ass bought something other than a junkyard T3 off a Saab 900, you'd have a fucking clue about what a modern turbo will do. Don't be a cheap bastard. Go spend $600 a ball bearing GT series turbo. You'll fill your trousers.

My article is biased all right. It's biased towards performance. I'm sorry that you think that your supercharger is the be all end all of power production, and I hate to break your heart, but the cold hard truth is that it is not. You pretty much proved that. 13.9. lol... You had your chance to give me a compelling argument, and failed miserably. I've said plenty and have solidly backed my claims in my articles and this post. I don't feel the need to further this conversation. If you think the article shouldn't have been AOTM, then by all means... write one yourself, and I'll be sure to debunk it.
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Old 04-18-2004, 03:29 PM   #30
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OK, all I did was ask a simple question....with MY specific setup, what would be a better route to take..turbo or Blower. Instead I get an arguement on which is better. We all have our opinions..and honestly, I dont care. I was just asking what would work best with my setup.
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Old 04-18-2004, 05:26 PM   #31
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Quote:
Originally posted by eastonball@Apr 18 2004, 01:29 PM
[b] OK, all I did was ask a simple question....with MY specific setup, what would be a better route to take..turbo or Blower. Instead I get an arguement on which is better. We all have our opinions..and honestly, I dont care. I was just asking what would work best with my setup.
turbo = great power and in most cases easier on your wallet than a SC'er.
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Old 04-18-2004, 05:31 PM   #32
 
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the better route will be turbo.
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Old 04-18-2004, 10:28 PM   #33
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Quote:
[b]turbo = great power and in most cases easier on your wallet than a SC'er.
Quote:
[b]the better route will be turbo.
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Old 04-19-2004, 08:44 AM   #34
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Quote:
Originally posted by eastonball@Apr 18 2004, 03:29 PM
[b] OK, all I did was ask a simple question....with MY specific setup, what would be a better route to take..turbo or Blower. Instead I get an arguement on which is better. We all have our opinions..and honestly, I dont care. I was just asking what would work best with my setup.
Well, if you'd read the goddamn posts, and read the articles in the turbo reference section, you'd realize that we've already answered your question! Christ...
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Old 04-19-2004, 11:01 AM   #35
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i would have to say go with the turbo only becuse the supercharger will wear the motor down quicker with the extra belt that you have to run and with the turbo there are no belts involed
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Old 04-19-2004, 11:11 AM   #36
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Quote:
Originally posted by 1990flatback@Apr 19 2004, 11:01 AM
[b] i would have to say go with the turbo only becuse the supercharger will wear the motor down quicker with the extra belt that you have to run and with the turbo there are no belts involed
You're dumb. Please go educate yourself.
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Old 04-19-2004, 11:40 AM   #37
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i say fuck them both...go nitrous....low end tq and top end power......I know im prolly going to get flamed for this but think about it and dont start running at the mouth....bla bla bla nitrous is bad it will blow your motor bla bla bla....sooner or later your engine is going to give w/ anything...

Nitrous gets my vote(in the 1/4 at least)!
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Old 04-19-2004, 05:13 PM   #38
 
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nitrous sucks. boost owns
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Old 04-19-2004, 06:28 PM   #39
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Quote:
Originally posted by Loco Honkey+Apr 19 2004, 09:11 AM-->
Quote:
Originally Posted by Loco Honkey @ Apr 19 2004, 09:11 AM)
1990flatback
Quote:
Originally Posted by Loco Honkey @ Apr 19 2004, 09:11 AM)
@Apr 19 2004, 11:01 AM
[b] i would have to say go with the turbo only becuse the supercharger will wear the motor down quicker with the extra belt that you have to run and with the turbo there are no belts involed
You're dumb. Please go educate yourself.
Loco = straight to the point.
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Old 04-19-2004, 06:40 PM   #40
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Quote:
Originally posted by pissedoffsol@Apr 19 2004, 05:13 PM
[b] nitrous sucks. boost owns
depends on what youre in and how your driving it...but honestly i love all types of FI b/c all can be used in some way...
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Old 04-19-2004, 06:53 PM   #41
 
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nitrous isn't FI
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Old 04-19-2004, 07:07 PM   #42
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Quote:
Originally posted by pissedoffsol@Apr 19 2004, 06:53 PM
[b] nitrous isn't FI
is a form of it
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Old 04-19-2004, 08:28 PM   #43
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Nitrous is considered a form of FI. I think it's worse than supercharging, though, as you have NO way to modulate the power, and every ten runs or so, you're spending $35 to fill the bottle. I dunno about you guys, but cost aside, that's a huge pain in the ass. I've been driving boosted coars constantly for the past two years, and have yet to spend a dime to fill up the "boost" bottle...
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Old 04-19-2004, 09:11 PM   #44
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Quote:
Originally posted by Loco Honkey@Apr 19 2004, 08:28 PM
[b] Nitrous is considered a form of FI. I think it's worse than supercharging, though, as you have NO way to modulate the power, and every ten runs or so, you're spending $35 to fill the bottle. I dunno about you guys, but cost aside, that's a huge pain in the ass. I've been driving boosted coars constantly for the past two years, and have yet to spend a dime to fill up the "boost" bottle...
yes it is the occasional pain in the ass BUT as i said before it depends on what you will be using your vehicle for....
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Old 04-19-2004, 09:40 PM   #45
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Superchargers are a waste of money as far as honda motors go... Not only is their basic design craptacular compared to a turbo, they go against the whole concept the Honda Engineers had... high RPM motors. They take no advantage of hgih RPM operation, unlike a turbo. All they end up doing is "wasting" air that could be made into more boost, or in some cases, not even being able to hold their lack luster boost levels near redline. And they run hot, so piss on them.



Get a bottle for 400 bucks if you want quick power. If you want a car that will last, and possibly garner you some respect from the kiddies in the neighborhood (not to mention being faster, and always faster) than the bottle, get a turbo.
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Old 04-20-2004, 01:22 PM   #46
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Turbos and SCs are two different kind of powermakers. Its like comparing burgers and fried chicken, both feed you but in different ways.

So, theres nothing like turbos are better than Sc or viceversa. theyre just different. I personally prefer sc because the setup needed for it to work is just the kit. Otherwise, even being cheaper as a kit, turbos require a lot more work.

Superchargers are nice to get instant boost /permanent boost. Turbos make far more power and are very upgradeable but at an additional and additional cost.

I personally run a ATI procharger intercooled setup which makes me smile everytime i step on my pedal.
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Old 04-20-2004, 07:30 PM   #47
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Hey well i can tell you right now for that motor i would go turbo if your looking for more speed, you can boost alot more and get alot more out of a turbo on a honda or acura or pretty much any import. The supercharger is easier to install but so is the turbo if you have ever done it but the supercharger is half the time. Now i would say if you boost with turbo there is no need for type r cams cuz those cams just dont go to well with boost. I would tell you to go turbo all the way and dont listen to anyone because s/c's SUCK for 4 cyls, If anyone tells you to go s/c then you would probaly like it but then if you were to go turbo then you would say "WHAT THE HELL WAS I THINKING GOING S/C". The turbo puts out so much more power than a s/c on those cars and the s/c's on honda and acuras especially jackson s/c's are known to break alot when you try to boost then higher, i've known a few people that have gone threw a few of them because of that reason for boosting a few extra pounds. Also on top end the turbo is going to pull like a mother fucker compared to a s/c. See a s/c is only really good when your doing a 1/4 in like 4-5 and mabey 6 seconds haha because then you dont have time for turbo lag since your only racing for a few seconds HAHA but in your case if your looking for a great 1/4 time and top end power and mid range then go TURBO I mean if you were to go ask any real import honda/acura/import racer they would tell you to go turbo. Now here look it at this way my friend has a GSR integra with a t3/t4 turbo or did until he upgraded, but anyways he ran a supercharged integra gsr and my friend with the turbo launch right with him just about and at the top of 1st gear he was already starting to pull and by top 2nd he was about a 2 cars length ahead of him within about a 1/8 mile so far and then by the 1/4 he was at least about 4 car lengths ahead of the s/c gsr. Now they were both 8 lbs. Well after all that they ran a coupld more time from a stop and s/c gsr still got his ass handed to him, so then they finally went on the freeway and fucked around for a bit and my friends turbo gsr pulled on him like CRAZY. Now my friends 1/4 time was a 13.56@105 on street tires now thats a good trap speed for that time and on baby slicks he got a 13.33@108 and on full big slicks he got a 13.07@111 now thats a great trap speed. Now the s/c gsr on slicks got a 14.4@97 now that sucks HAHA and then his quickest time for the day was a 14.0@100 with a good launch and no screw ups he said. If you were to ever watch the pro street imports and the really quick ass imports they are TURBO.
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Old 04-20-2004, 07:53 PM   #48
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I kept on ready these forums LMAO someone said his friend has a 99 si stock with s/c and got 13.9 well my friend has a 99 civic si and when it was comletely stock with no exaust on street tires at 5lbs of boost he ran a 13.8@104 and the very last run at 6lbs stock motor on street tires and really bad 60' time and a burnout through most of 1st gear he got a 13.62@106. Also my other friend had a stock LS none vtec integra with 7 lbs on a t3/t3 turbo and got a 13.83@105 on street tires i mean come on you dont hardly ever see s/c's doing that and this was a integra theat weighs more than a SI and has less horse power stock HAHAHA i mean come one the people who think s/c's are great in a 4 cyl honda or whatever HAHA then you need to start going to the track and watch the fastest imports out there and you will see that they are pretty much all turbocharged, I went to CMI (CALIFORNIA MODIFIED IMPORTS) at the sacramento raceway and i honestly dont remeber seeing any s/c cars that 2nd day except for a 6 sec V8, now the first day out of over 600 import mostly honda and acura i only remeber seeing a few s/c honda/acura cars and when i say a few i mean like no moe than 4 or 5 LMAO and they were SLOW they had a built hatch with a s/c and it was at 15 lbs of boost and it was on a gsr and he only got 12.2 LMAO that sucks my hatch at 12 lbs on a lsvtec got a 11.6
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Old 04-21-2004, 03:47 PM   #49
 
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if you want s/c, a buddy is selling a modified JRSC with custom crower cams for $2k!
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Old 04-21-2004, 08:26 PM   #50
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Man 2k WOW thats a waist of money HAHA i can get you a fucking t3/t4 turbo and kit for less than that NEW, I can also get you a huge ass drag turbo a T6/T4X turbo with kick for like little less than 2K and it would be used but still pretty new there not like s/c's where they seem to go break all the time TURBOS dont have that problem HAHAHA. Getting the t3/t4 turbo will kick the shit out of a stupid s/c with cams HAHAH remeber all you have to do with a turbo is push a couple of buttons on the the vtec controller that comes with this kit and your already boosting higher HAHAHA. Buyinh a Supercharger for a honda or acura is just very retarted and i complete waist of money and time to get like no speed compared to a turbo, my old ass turbo motor was a SOHC none vtec SI motor in my hatch with a T26 turbo from a supra which was hella small and i smoked the shit out of a s/c gsr and a few other s/c hondas with onoly 6 lbs of boost HAHAHA
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