Noobie Turbo questions! *Feel free to help me out* [Archive]

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Bing

08-15-2003, 08:19 AM

So i've owned my Celica GT for 3 years now and started to look for mods on my GT about a year ago.

After alot of hesitation, I decided to mod the looks on my GT. So after the Kaminari body kit, came the dual exhaust and now i'm really interested in getting a turbo.

I've been reading alot on these boards and i've learned quite a bit about Turbo's.
My thanks to everyone!

Now, I got enough money to buy 18" rims and a Turbo kit but i still have some noobie questions.

1. I've read that stock GT's have a compression of 10:1. What does it exactly mean? I was told to purchase Wiseco Pistons that has other compression rates then the stock, for buying the Turbo kit.
What does those numbers mean?

2. Boostcontroller, I think it's a control unit to set the pressure. For example set your boost at 10 PSI, to get a better lift. Correct me if i'm wrong please :)

3. What kind of gauges would you recommend me to get? I'm planning to buy that dual gauge pod, so it can be only 2. Boost/pressure for sure, but what would you recommend as 2nd gauge?

4. Let's say I would purchase DD's turbo kit, would I get more gain if I installed rods and pistons? c2gas has a custom turbo and gives more whp then DD's kit. I know DD's kit was made for the stock internals, but I was just wondering if DD's kit would give better gains with rods and pistons. BTW, c2gas uses the same kkk turbo as DD.

5. For anyone with a turbo kit, how fast can you do 0-100km sprint? That's about 0-60mph. c2gas is proximatly at 5.8 seconds. Well, i saw his sprint on video.

I might have more noobie questions, but i'll let you know then :)

BTW, does anyone know where the hell I can find C-one hoodscoops for sale? I want one bad :/

SexyCelica

08-15-2003, 09:51 AM

1.) You want to go with a lower compression for turbo. This will allow you to have a higher boost. What it basicly means is something like 10 parts of fuel for every 1 part of air....or is the other way around?

2.) You can control your PSI with a boost controller, the higher the setting the more power you're making, but you'll have to deal with having to get addtional fuel to handle the extra air coming in.

3.) Boost, air/fuel, and temp are good

4.) The rods and pistons will allow you to have a higher PSI thus maing more power

5.) No clue

You can get a c-one replica from www.thelostrican.net

cool2miketlu

08-15-2003, 09:56 AM

#5. It depends on how efficient the turbo is, and how well you tune your A/F ratio. But 5.8 sec about right :)

David Draper

08-15-2003, 10:56 AM

Originally posted by Bing
So i've owned my Celica GT for 3 years now and started to look for mods on my GT about a year ago.

After alot of hesitation, I decided to mod the looks on my GT. So after the Kaminari body kit, came the dual exhaust and now i'm really interested in getting a turbo.

I've been reading alot on these boards and i've learned quite a bit about Turbo's.
My thanks to everyone!

Now, I got enough money to buy 18" rims and a Turbo kit but i still have some noobie questions.

1. I've read that stock GT's have a compression of 10:1. What does it exactly mean? I was told to purchase Wiseco Pistons that has other compression rates then the stock, for buying the Turbo kit.
What does those numbers mean?

10:1 means you are compressing the air at the top of the cylinder stroke by a power of 10. In other words, there is 10 times the amount of air in that space than what there would ordinarily be.

Originally posted by Bing
2. Boostcontroller, I think it's a control unit to set the pressure. For example set your boost at 10 PSI, to get a better lift. Correct me if i'm wrong please :)

The boost controller just lets you increase, or decrease for that matter, the amount of boost you are running. More pressure = more air. More air = more effective displacement. Bigger engines make more power because they flow more air. If you add 7 psi, it's like having a 2.7L engine. If you add 14 psi, it's like having a 3.6L engine, and so on.

Originally posted by Bing
3. What kind of gauges would you recommend me to get? I'm planning to buy that dual gauge pod, so it can be only 2. Boost/pressure for sure, but what would you recommend as 2nd gauge?

EGT.

Originally posted by Bing
4. Let's say I would purchase DD's turbo kit, would I get more gain if I installed rods and pistons? c2gas has a custom turbo and gives more whp then DD's kit. I know DD's kit was made for the stock internals, but I was just wondering if DD's kit would give better gains with rods and pistons. BTW, c2gas uses the same kkk turbo as DD.

The first thing to let go on these engines is the connecting rods. Replacing those only would give you the ability to go higher. But, if you really want to go further, you'd need low compression pistons. So no, the connecting rods and pistons will not give you more power. Actually, with the low compression pistons, you'd actually lose power. But, you can turn up the boost that way, and that will produce a LOT more power.

Originally posted by Bing
5. For anyone with a turbo kit, how fast can you do 0-100km sprint? That's about 0-60mph. c2gas is proximatly at 5.8 seconds. Well, i saw his sprint on video.

Always tough to say. In the latest Car and Driver, a 315 hp RSX only managed a 15.3 1/4 mile time. The cars will obviously be faster, but how much faster varies on conditions and drivers. My personal problem has been keep traction. It's fast, but it's actually so fast you can't keep the tires on the ground. Guess that's a good problem to have ;)

I might have more noobie questions, but i'll let you know then :)

BTW, does anyone know where the hell I can find C-one hoodscoops for sale? I want one bad :/ [/B][/QUOTE]

Bing

08-15-2003, 02:32 PM

Ok, I think I understand all the explanation right now. Although I'm still wondering about compression rate. Sometimes I see 8:8:1 or whatever. What does the 2nd number mean?

EGT gauge, I've read from Cool2MiketLu that they're used for measuring the tempature of the exhaust. So I assume you will need to install a heat-sensor in your exhaust?

Any recommedations on Clutches? Some say ATC clutch is the way to go, the other say it sucks.
Please lemme hear from ya experts! :)

LSD's? I've played Gran Turismo when I was a kid, it has something to do with the shifting settings. So what i have learned from Gran Turismo is that your shifting map will differ then stock. Would this really be neccesary? I know it could be better, but I was wondering.... maybe the stock LSD already runs perfectly with the Turbo kit. I guess this one is for you again Cool2MikeTLU hehe.

Dave, I was talking about 0-100km sprints. We don't use mph, inches, feet, 1/4 mile runs etc. :/ So it's very hard to calculate for me how to get a 0-100km time if I would get a 1/4 mile time :(
I will know by monday or tuesday if it's possible to get that turbo kit installed. Like all the mechanics at my toyota dealer never even touched a turbo manifold. Although there is one guy(he's on holiday of course) who installed a turbo kit on a Landcruiser.
They told me to wait till he gets back and ask him then.

Unless your turbo kit comes with detailed instructions, if so I could ask them if they can perform all that you listed me in your PM.

cool2miketlu

08-15-2003, 02:45 PM

Originally posted by Bing
Ok, I think I understand all the explanation right now. Although I'm still wondering about compression rate. Sometimes I see 8:8:1 or whatever. What does the 2nd number mean?
Its 8.8:1 compression ratio not 8:8:1

Originally posted by Bing

EGT gauge, I've read from Cool2MiketLu that they're used for measuring the tempature of the exhaust. So I assume you will need to install a heat-sensor in your exhaust?

EGT you need to get the gauge and EGT probe.

Originally posted by Bing

Any recommedations on Clutches? Some say ATC clutch is the way to go, the other say it sucks.
Please lemme hear from ya experts! :)

There are ACT clutch (its not great but not too bad), Blitz (really good clutch I would recommand this)
Ofcourse there are different types of clutch by same manufacturer, like street clutch, 6 puck, 4 puck, 2 puck... street is more drivable and gets harder to drive as the puck becomes less.

Originally posted by Bing

LSD's? I've played Gran Turismo when I was a kid, it has something to do with the shifting settings. So what i have learned from Gran Turismo is that your shifting map will differ then stock. Would this really be neccesary? I know it could be better, but I was wondering.... maybe the stock LSD already runs perfectly with the Turbo kit. I guess this one is for you again Cool2MikeTLU hehe.

Limited Slip Differential is for suspension. It puts power evenly to each side of the front wheels during take off, it will also distribute power to the outer wheel on turns and less power on inner radius wheel so you can power easily through corners.
Stock is open differential which means nothing, when you make turns you will hear squeaks of 1 tire breaking traction which is not good. It is a good thing to have especially when you have turbo, because we have front wheel drive and when alot of power goes to the wheels its easier to break traction than a rear wheel drive cars.

Originally posted by Bing

Dave, I was talking about 0-100km sprints. We don't use mph, inches, feet, 1/4 mile runs etc. :/ So it's very hard to calculate for me how to get a 0-100km time if I would get a 1/4 mile time :(
I will know by monday or tuesday if it's possible to get that turbo kit installed. Like all the mechanics at my toyota dealer never even touched a turbo manifold. Although there is one guy(he's on holiday of course) who installed a turbo kit on a Landcruiser.
They told me to wait till he gets back and ask him then.

Unless your turbo kit comes with detailed instructions, if so I could ask them if they can perform all that you listed me in your PM.

Its not that hard to install if you have experienced with install and have right equipment. This does not have to be done at a Toyota dealership, you should look around and find speedshops that has competant mechanics around. If you are going to go with that Toyota dealership, make sure they have someone who has experience sodering a piggyback computer into the wires going to the ECU. This must be done before taking your car out for a drive after install, maybe have it installed before everything else.

Bing

08-15-2003, 03:19 PM

They've got experience with piggyback ECU's. The son's owner has one himself. :)

Now..... I hope they can remove the oil pan! I'll contact some speedshops(there ain't much in Holland) and see if they can do it for me, also how much they are gonna charge me.

cool2miketlu

08-15-2003, 03:58 PM

Good luck :)
Hope you find a good shop that will not rip you off :)

Bing

08-15-2003, 04:13 PM

Mike, so the more puck a clutch has, the better it is to drive on the streets? How many pucks does the Blitz clutch has?

cool2miketlu

08-15-2003, 04:48 PM

Blitz is a performance street clutch
Well I am not up to date on the clutch anymore, but I do believe less the puck more torque it can handle though harder to drive it will handle more HP and torque.

Saru san

08-15-2003, 05:16 PM

This looks like a good thread for my questions. :)

Have you guys any results from using wider tires to help keep those boosted wheels from slipping?

I read elsewhere on this board that 8" rims and tires would fit, so... if you could find them light as or lighter than stock with the same rolling circumference would that be a good investment for a newly boosted car?

Also, Dave's place sells the TRD clutch for a rather reasonable price. How do they stack up against the Blitz and ACT?

Bing

08-15-2003, 05:16 PM

Ok. Thanks mike, if any other clutch experts are willing to share info... feel free to :)

David, does your kit include a EGT probe?

Bing

08-15-2003, 05:20 PM

Originally posted by Saru san
This looks like a good thread for my questions. :)

Have you guys any results from using wider tires to help keep those boosted wheels from slipping?

I read elsewhere on this board that 8" rims and tires would fit, so... if you could find them light as or lighter than stock with the same rolling circumference would that be a good investment for a newly boosted car?

Also, Dave's place sells the TRD clutch for a rather reasonable price. How do they stack up against the Blitz and ACT?

Saru san, it sounds logical to me that the wider the tires, the more surface you will use to get grip, the better the grip will be.

If the rims would be lighter then stock, then those would be perfect for boosted cars. :) That's for driving daily.
Slicks would perform best, but I don't think it's legal to drive with slicks on the street.

Bing

08-16-2003, 07:15 AM

I've checked out some boostcontrollers and came with the following conclusion:

You've got 2 different types of boostcontrollers. Mechanical and Electronical.
I was interested in a electronic boostcontroller, so I could easily go in race mode and daily driving. But.... if I buy a Boost gauge, would the electrical boostcontroller even be needed? I've read that the electrical boostcontroller has a sensor, but so does the boost gauge. This will mean there will be 2 sensors just to check the pressure.

What kind of electrical boostcontroller would you give your vouch to? I want to fit it eiter at the sunglass compartment or else in my ash tray. Sunglass would be better to look at, since it doesn't make you look so low and lose sight of the track.

Does anyone have pics of their interior with the booscontroller?

David, does your kit come with a boostcontroller?
I wanted to ask you about your turbo kit through PM, but might as well ask here.
I couldn't find a complete list of all products that are included. Could you please post it in your Turbo kit thread?

143hawaii

08-16-2003, 09:43 AM

A boost controller isn't really anything magical, it just prevents the wastegate from seeing pressure (boost) later than the stock spring would.

I'd suggest using a ball and spring type MBC like Hallman, Joe P., etc.

larryd

08-17-2003, 11:01 AM

Originally posted by Bing
if I buy a Boost gauge, would the electrical boostcontroller even be needed? I've read that the electrical boostcontroller has a sensor, but so does the boost gauge. This will mean there will be 2 sensors just to check the pressure.

A boost gauge just shows you how much boost you are running.

A boost controller allows you to turn up or down the boost.

If your going with an EBC I suggest the Greddy Profec B as it is the simplest IMHO of the EBCs to use and its a reasonable price.

If your going with a MBC then I suggest either a hallman or Joe P MBC, read more from www.boostcontroller.com

Bing

08-17-2003, 01:28 PM

Thanks alot LarryD! :)

Ow.... how about that sensor question?
So if I would have a boost gauge and an EBC, would it mean that there are 2 sensors?

Wouldn't that be safe and all?

larryd

08-17-2003, 10:53 PM

I think your a little confused about how these things work. The boost gauge works off of a vacuum reading. All it is is a vacuum line hooked up to a boost source. There is no actual sensor.

That is ofcourse assuming you are using a mechanical boost gauge and not an electronic boost gauge. The only difference is the electronic gauge comes with an adapter that has a nipple for the hose on one side and an electrical wire on the other side that sends current to the gauge.

This ofcourse as I said before has nothing to do with boost controller, that also works off of vacuum lines as well but works independently of the gauge.

Bing

08-18-2003, 02:32 AM

Ahhh, I understand right now. I got confused because the item description of the gauges i'm buying said:

All gauges come with their sensor.

But now I understand and I should have known better, because I read the manual of the greddy Profec-B and saw the setup diagram.

Thanks a bunch Larryd :)

c2gas

08-18-2003, 04:50 AM

Originally posted by Bing
5. For anyone with a turbo kit, how fast can you do 0-100km sprint? That's about 0-60mph. c2gas is proximatly at 5.8 seconds. Well, i saw his sprint on video.

:/

I`m back. I think It`s better to measure the 1/4 mile ( 400 meter) time than 0-100 cos a stronger celi will spin the tires due to the front drive and also it shows more about your car HP and torque if you measure in a longer period ( like 400 meters). Top speed in the 1/4 mile run will show you also much.

Bing

08-18-2003, 05:40 AM

c2gas

08-18-2003, 07:42 AM

Good decision. You`ll not believe the difference when the turbo is on. DD`s kit is also good if you change your mind (and do the internals) and want to boost more.
This car is great but it should have more OEM HP, We just do what Toyota forgot to do.
GOOD LUCK BRO!

Bing

08-18-2003, 10:52 AM

Thanks C!

badceli

07-04-2005, 01:09 PM

Another interesting old thread. Makes me feel good to know that guys like Bing were in my shoes at one time.

EastcoastSpeed

07-04-2005, 01:32 PM

Another interesting old thread. Makes me feel good to know that guys like Bing were in my shoes at one time.

He He yeah, pretty cool.

cool2miketlu

07-04-2005, 01:36 PM

hahaha Nobody is born with the knowledge, we go as we learn :)
1 favor.... DO NOT FIND MY NOOBIE QUESTIONS!!! :chuckles:

Immo

07-04-2005, 01:38 PM

cool2miketlu

07-04-2005, 01:42 PM

c2gas, I got money. But i don't think I can come to Hungary :/

I'm gonna try and find a tuning shop here in Holland that will install DD's kit for cheap.

Not buying Pistons and rods either..... spended too much money :(.

Just gonna stick with DD's kit and might buy some Turbo goodies like Greddy Profec B, Defi BF gauges, clutch.
Thanks for all your help though, your movies made me do this ;)

LOL, eventually Bing did buy the pistons and rods and drove to Hungary :)
A very wise decision, hahaha

Probably everyone has been there, so was I ;)

Actually I am the person who conviced him to go with C2Power kit.
Mostly because he will not get customer service all the way from U.S., C2Power is in Europe which is easier for him to go to to get things done. Glad he never looked back.

Immo

07-04-2005, 01:43 PM

Me too, because that convinced me to go with Gaspar :)

kingaaron189

07-05-2005, 12:37 PM

that just go to show for a newbie like me that the search button works

itzLINKY

07-05-2005, 07:33 PM

Just curious....what about a turbo on an Auto GT? Can't swap the clutch then...

cool2miketlu

07-05-2005, 07:40 PM

^^You would then contact Level 10 to get a beefy torque converter.
Not sure how much an auto tranny have been pushed, but I have yet to hear any automatic tranny break down from turbo.

badceli

07-05-2005, 08:02 PM

hahaha Nobody is born with the knowledge, we go as we learn :)
1 favor.... DO NOT FIND MY NOOBIE QUESTIONS!!! :chuckles:

Don't worry, I wouldn't do that to you after all the help you have given me.

This was a very interesting thread of yours though....
http://www.newcelica.org/forums/showthread.php?t=156497

It really should be a sticky.

badceli

07-05-2005, 08:04 PM

cool2miketlu

07-05-2005, 09:38 PM

yes there are quite a few good maintenance info there, good for people who is new to boosting :)