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Discussion Starter · #1 ·
i just wanted to know what you guys think is less wear and tear on our car a turbo or a SC????? I want to know b/c i dont know what to get a turbo or SC. Any opinions would be greatly apreciated!
 

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What are your hp goals?
 

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im scared of blowers, lol. many ppl do not understand them at all either. with a belt running your blower all the time you will be seing boost all the time. more time in boost=more wear and tear. right now blowers are limited to the hp they can make i think because there are no aftercoolers for us yet. many ppl go s/c because they think that its just a bolt on kit. not true at all. s/c kits can be just as complicated as turbo installs.

i went turbo because all the extra power my car will be making from my built motor, the lag will allow me to hook up b4 the snail starts boosting.

it all really comes down to user preference really. technology will allow everything to get more advanced. its not really a matter of if, but when.
 

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Im going to agree with rsxnky02. I can go my whole commute without boosting. Its only there when you give it a good amount of throttle. Whether it still puts strain on the engine at 10 in. Hg. (which is where the boost guage sits when coasting), I don't know.
 

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rsxnky02 said:
im scared of blowers, lol. many ppl do not understand them at all either. with a belt running your blower all the time you will be seing boost all the time. more time in boost=more wear and tear. right now blowers are limited to the hp they can make i think because there are no aftercoolers for us yet. many ppl go s/c because they think that its just a bolt on kit. not true at all. s/c kits can be just as complicated as turbo installs.
I don't think you understand a s/c either.

Will there be additional stress on my car?

Any performance mod adds stress. However, the CTSC system has a bypass valve that cuts out the compressor when no boost is required, which means that 95-98% of the time you're not boosting and not adding stress to the engine. The compressor uses less than 1/3 of 1 hp when cruising at 60 mph.
http://forums.clubrsx.com/showthread.php?t=262546
 

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Discussion Starter · #6 ·
so what would you guys recomend me to get a SC or a turbo around 3,500
 

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Anthonysrsxtype-s said:
so what would you guys recomend me to get a SC or a turbo around 3,500
What are your hp goals? (And you won't be able to do a proper turbo setup for $3500 unless you go used).
 

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I'd say superchargers are far more reliable, put you in boost far less of the time because they have a bypass valve that opens up whenever you're not putting on heavy throttle; whereas turbos are constantly in boost because the exhaust gas is always turning them. And SCs are easier to repair if things do go wrong, like a thrown belt, because they're right up front there for your to see and change.
 

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psi is psi btw. Superchargers are RPM based however, so if you have say a 9psi pulley, you won't hit it until 8000RPM's or so vs it being much sooner with a turbo.

During my whole commute to work, I never see boost unless I want to. Turbo and SC both have their plusses and minuses.
 

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I disagree with the comparisons saying turbo's are in boost more than S/C's or vice versa. Yes a turbo's wheel is always spinning because the exhaust gas is always turning it. But a S/C's wheel is also always spinning because the belt is always turning it. Neither a turbo nor an S/C is putting a large load on the engine most of the time because the turbo won't be spooled up, and a S/C has a bypass valve. I also don't agree with the argument that S/C's are easier to work on because they are upfront..a turbo with a side-mount or top-mount manifold is also right there out in the open.

As far as reliability, I would say there's not much difference between the two. People sometimes have minor issues with turbo's such as boost creep or boost spikes, but the S/C folks also have constant problems with their belts. You hear about more blown engine, and engine problems from the turbo guys, but that's only because the turbo guys are running alot more hp than the S/C guys. I think if you were to compare a 250whp S/C car and a 250whp turbo car you would find that the reliability is about the same.
 

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Chiming in just b/c:

I have the Greddy Kit, conservatively set @ 8psi. The only issues that I've had with the car are some mild boost creep back when I was running a 3" exhaust and the temps were down in the 20's and 30's. Aside from that (and after a 2.5" exhaust), I haven't had the first problem with anything, knock on wood of course.

Just within our car group, which is mostly supercharged amongst the boosted members (RSX's only), I have seen a number of shredded belts and tensioner problems. I'm not using that statement as an argument against superchargers, just stating the problems I've witnessed firsthand.

With all of that said, you could easily have problems from the get-go regardless of which boost method you go with. On the same token, you could never witness a problem and enjoy a good long while with either a SC or turbo.

If a total stranger got into my car and didn't know I had a turbo, I could drive it in a manner that wouldn't lead them to think it was boosted. I could keep it in vacuum and never hit boost for an entire car trip, it would drive just like an NA car. Just b/c the fins are spinning doesn't mean you are creating pressure, same principle applies to a charger.

All depends on what you want, both have their pluses and minuses.
 

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I love Audi Junkie!!!
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A witch may not be harmful to your ride at all, he/she usually will take the broomstick where ever they need to go.

LOL

They both are harder on your car than stock, asuming all tuning is correct, and all system remain in function, they are probable about equal.

However, there certainly are more things WHICH may malfunction on a turbo setup, that can cause a mishap, than with a S/C.

-JMS
 

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I was gonna chime in on the spelling of "which," but I was nice and left it alone. :eek: :D
 

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both will be harder on your car. point of the matter is is that if your looking for lots of hp, u need turbo, until technology advances for the s/c scene, your limited. with a s/c, your belt is always spining the pulley. with a turbo, its always spinning. take your pick.
 

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Discussion Starter · #16 ·
i think im going with the JRSC Race version thanks guys with all your help!!!!
 

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A SC does NOT see boost all the time. If the throttle plate is closed, the engine is not seeing boost. It's really quite simple. The thing with an S/C is that it's spinning all the time and can create parisitic drag -- the bypass valve in the S/C allows the charger to feed back in itself and remove the parisitic drag at part throttle.
 
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