Supercharger vs Turbocharger Comparison

[OkieSnuffBox]

Originally Posted by new2subaru

I don't get this part either. Every single pick up truck at work has a turbo and they work for a living.

I DO understand the rest.

How is comparing an engine designed for boost to an engine not designed for boost even a remotely worthy comparison?

[Xinshadow]

Originally Posted by stevo585

Yep lol. That's the one.

From an engineering standpoint turbos have more pros than cons, period. Its obvious by today's car manufacturers.

There probably is one but I can't think of one OEM supercharged 4 cylinder...?

Cooper-S, Exige-S, Cobalt SS (Original) and probably a couple others. They are out there, but rare.

I want a turbo for the power, but every single kit out there seems to run into overheating issues eventually when tracked hard. Much less so with the SC kits I've personally run across. The lower heat output and possible greater reliability are appealing. I seem to come across a lot less supercharged cars that go pop even if making similar power to a turbo setup, but that could be because there are leas of them out there.

Kinda waiting on the ft86sf turbo kit to compare to the JRSC and then I think I can make my decision haha

Sent from my LGLS990 using Tapatalk

[raven1231]

NA is the only way to go bro it's the spirit of the AE86, gotta keep it alive harichoku style. Dump $60k into the car to have it put out 260 base hp, it's totally worth the feels and spirit.

[Porcupint]

Originally Posted by new2subaru

Fair enough, but where is it written that this car wasn't designed to be boosted? I've seen it written on the forum, but has the manufacturer stated it?

For starters you don't typically go with a 12.5:1 CR if you're going to boost the motor. The new WRX's with the FA20DIT are a 10.6:1 CR.

[HaloFRS]

I too can't decide what i want. Im stuck with JRSC or the Full Blown Turbo. Although I'm leaning more to turbo but its going to be like 2 more grand for that. I've never owned a FI car before. But i like the excitement turbo gives you. I just don't know if its worth the price.

[OkieSnuffBox]

Originally Posted by new2subaru

Fair enough, but where is it written that this car wasn't designed to be boosted? I've seen it written on the forum, but has the manufacturer stated it?

You can't prove a negative.

Did the car come from the factory with Forced Induction? No?

[MisterSheep]

Originally Posted by new2subaru

I agree and TBH and a bit surprised Eldebrock is offering a drive train warranty with their SC.

They must be very confident it can be done without issue.

Agreed ^

Edelbrock is offering a drivetrain and supercharger itself warranty when you buy the kit. Makes you think how confident they are with their system. I think if anyone is wanting to go FI but worrying about reliability for daily driving use, Edelbrock should be high on their consideration list. I have a friend of mine who sat in the Edelbrock supercharged show car and he said it makes a Sh*t ton of torque down low. Its also you're typical TC supercharger which will most likely increase "whine" noises but have better low end torque than centrifugals.

[CSG Mike]

Originally Posted by stevo585

Yep lol. That's the one.

From an engineering standpoint turbos have more pros than cons, period. Its obvious by today's car manufacturers.

There probably is one but I can't think of one OEM supercharged 4 cylinder...?

A car designed from the ground up to accommodate a turbo, is a whole different beast from a car that had a turbo added "after the fact".

[CSG Mike]

Originally Posted by Xinshadow

Cooper-S, Exige-S, Cobalt SS (Original) and probably a couple others. They are out there, but rare.

I want a turbo for the power, but every single kit out there seems to run into overheating issues eventually when tracked hard. Much less so with the SC kits I've personally run across. The lower heat output and possible greater reliability are appealing. I seem to come across a lot less supercharged cars that go pop even if making similar power to a turbo setup, but that could be because there are leas of them out there.

Kinda waiting on the ft86sf turbo kit to compare to the JRSC and then I think I can make my decision haha

Sent from my LGLS990 using Tapatalk

What makes you think the 86SF kit would be any different in that overheating regard?

The Ptuning kit is the only one that has good heat management, but comes at the cost of having the worst transient response.

[CSG Mike]

Originally Posted by raven1231

F20C is the only way to go bro it's the spirit of the AE86, gotta keep it alive harichoku style. Dump $60k into the car to have it put out 260 base hp, it's totally worth the feels and spirit.

FTFY

[CSG Mike]

Originally Posted by Porcupint

For starters you don't typically go with a 12.5:1 CR if you're going to boost the motor. The new WRX's with the FA20DIT are a 10.6:1 CR.

You should check out some of the new turbo cars... particularly those German ones. They all run high comp.

High compression + boost is a winning formula, if done right.

S2000s LOVE boost.

[CSG Mike]

Originally Posted by HaloFRS

I too can't decide what i want. Im stuck with JRSC or the Full Blown Turbo. Although I'm leaning more to turbo but its going to be like 2 more grand for that. I've never owned a FI car before. But i like the excitement turbo gives you. I just don't know if its worth the price.

What exactly do you want from your car?

[Xinshadow]

Originally Posted by CSG Mike

What makes you think the 86SF kit would be any different in that overheating regard?

The Ptuning kit is the only one that has good heat management, but comes at the cost of having the worst transient response.

I follow their facebook page, and they certainly seem to be (or at least were for a while) posting a lot about taking their shop cars with the prototype kits to the track to test them for reliability and driveability which I would assume is also a function of heat management.

A lot of the other turbo kits I've been reading up on only seem to test their kits by strapping them to what's essentially a DD or doing a lot of dyno runs. Although I only started researching the topic recently, as the car will be paid off this winter so the money to do FI properly will be there.

Heat management was the big thing pushing me to a supercharger as it stands, as it doesn't look like any of the current turbo offerings have solved that issue.

If I have it wrong though by all means, let me know, lots of real knowledgeable folks on this subforum!


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[HaloFRS]

Originally Posted by CSG Mike

What exactly do you want from your car?

I want the boost to be mid to high range. My goal is to get 250whp first to see how it feels. Then probably jump to 300 or 350 or maybe push it to 400 once car is payed off completely. That's why i was leaning for the turbo because i have that flexibility if i want to add more to it.