Turbo and type of Gas

[jdn1979]

Okay stupid question of the day! My ex gf had the Neon SRT4 and she always put the 93 octane gas in it. So i asked her why and she said it was because of her turbo, dodge told her to put better gas in because of the turbo. I have been wanting the Turbonetics turbo for my car, if I get it do I have to change the type of gas i get? Im not the best when it comes to the motor, i stick to audio, im not mechanically inclined lol. Not to talk bad about the tC but her car would walk all over my car performance wise, is that just the turbo making that big difference? After driving her car and then driving mine I was just like, I dont see how people think these are fast. But my car is also a Spec Package so maybe i am missing some things.

[RICH0087]

yeah usually "high performance cars" require 93 octane, my roommate has an srt and my celica use to say "premium only"...I was actually wondering what kind of gas the tC needed...I had to fill up the other day and I just put mid-grade in

[bwood87]

Turbos make a huge difference. The octane rating is basically how easy it is to ignite. When you have a turbo it puts a large amount of compressed air in the engine along with the fuel (read about PV=NRT), if you use lower octane fuel then the A/F mixture can ignite before the spark (pre-ignition). The higher octane won't ignite as easily

The difference between the SRT4 and your car is about 70 HP. The turbo makes a very big difference. The tC is fast, but you need to work on it to get it to the level of the SRT4.

[RICH0087]

Originally Posted by bwood87

Turbos make a huge difference. The octane rating is basically how easy it is to ignite. When you have a turbo it puts a large amount of compressed air in the engine along with the fuel (read about PV=NRT), if you use lower octane fuel then the A/F mixture can ignite before the spark (pre-ignition). The higher octane won't ignite as easily

The difference between the SRT4 and your car is about 70 HP. The turbo makes a very big difference. The tC is fast, but you need to work on it to get it to the level of the SRT4.

The stock SRT isn't "that fast"...the problem is that there aren't really any more stock SRT's left. And once an SRT is upgraded the gains are pretty huge

[Idiaz28]

Originally Posted by RICH0087

The stock SRT isn't "that fast"...the problem is that there aren't really any more stock SRT's left. And once an SRT is upgraded the gains are pretty huge

don't be inteminated by the easy numbers produced on the srt4's. WHY? b/c you need to realize that: 1) it's front wheel drive, 2) young guys into the sport for the first time don't care about putting all that power onto the ground... they care about numbers.
When I had my Evo, i would rip srt4's any time of day... with just 325 to the wheels (on one of my evo's) i would eat srt4's with 400 WHP. So if you care about big number just remember that the person that has better traction and a little bit less HP would take you every time.

[Idiaz28]

if you want good traction on a scion tc look into a good set of coilovers, good light rims, 18X8 with about a 35mm offset, very, very good set of tires... remember to set your suspension to a stiff front, minor stiff rear, that would give you great traction but poor handling. You have your PRO's and CON's... also a good set of clutch with a nice light flywheel, it would help free your RPM's and rev quickly. Don't forget about a good LSD (this is probably your most expensive part in traction control). Once you have all these factors in your application, you can run an EVO off the line and keep up with it... (well if your a great luncher) LOL!!!

[RICH0087]

Originally Posted by Idiaz28

don't be inteminated by the easy numbers produced on the srt4's. WHY? b/c you need to realize that: 1) it's front wheel drive, 2) young guys into the sport for the first time don't care about putting all that power onto the ground... they care about numbers.
When I had my Evo, i would rip srt4's any time of day... with just 325 to the wheels (on one of my evo's) i would eat srt4's with 400 WHP. So if you care about big number just remember that the person that has better traction and a little bit less HP would take you every time.

yeah but thats an EVO...you can't really make a comparison of an awd vs. a fwd...but compared to most other non-awd vehicles, its quick.

and as for an srt with 400 whp, my roommate only has 250 to the wheels and he doesn't get traction until 3rd gear, so I can imagine that the 400 whp srt is gonna have some trouble

[Idiaz28]

my point exactly. My post was in reference to traction, thats why i used my evo as an example because evo's have such great traction it doesn't matter how much power (Numbers) you put into an evo it will ALWAYS PUT THE POWER ONTO THE GROUND!!!. Read my post again about traction...
--- if your roommate would invest some money into traction control he would have one sick SRT4, but by what you're telling me about your friend i know that he has no money invested into traction control... Please don't take what i'm saying in a bad way. I'm just trying to help the new guys into the sport that is very important to invest money into your traction. again please don't misunderstand what im saying. That is the reason why i posted different parts for the scion tc so you can invest money into traction...

[RICH0087]

well as far as I know, there isn't that much that you can do (besides converting to awd - which is just stupid) to drastically improve the traction on an SRT to get it anywhere near the grip of an EVO...I mean I guess LSD would help a little, but for the money its not worth the gain...I guess I'm kinda asking what all could be done to get the traction near an EVO?

[bwood87]

Everything depends on what you are trying to accomplish, a drag set-up would be different than a rally set-up which would be different from a daily driver. With drag you would want as much weight over the front wheels as possible, so stiff as hell in the back and kinda stiff in the front. With rally you would want to evenly balance the weight more with keeping a little more on the front than the rear. If you are going for a fast daily driver then just get new struts and springs. Stiff suspensions come with more road noise, harsh ride, etc.

LSD is exactly what you want for any of those set-ups. Its also known as a torque biasing differential. It will put the power where the most resistance is i.e. more traction.

Tires are essential to the traction because, when it comes down to it, the tires are what move your car. You can make due with out a LSD and stiff suspension, but with ****ty tires you won't grip anything. There are a lot of different tires for a lot of different purposes, when it comes time to buy, just research and you will find whats good for your needs.

AWD has the advantage on a digg, FWD has the advantage on a roll.

[Idiaz28]

Thank you "bwood87" for confirming everything i've just posted about traction... I simply just posted an example about traction (which you've just confirmed) and now this topic has taken a whole new field. bwood87 that is correct about the set up, in which our conversion was about traction and how to acheive your goal with great traction control. With my lancer OZ rally I have LSD, Drag Radials, Very stiff Suspension setup, 17x8'' rims, great clutch with light flywheel, underneath rear and front sway bars, strut bars for front and rear... ect. after investing alot of money in traction control and handling my launches with my FWD car is keeping up with evo's off the line (which evo's are AWD)... so again i say that if you invest some money or alot of money, into traction control, yes you will have a great and enjoyable 1st, 2nd and 3rd gear car with FWD.

[navylife59]

Alright guys. I have got to moderate this one. Arguements should be curtailed or continued offline. There are truths, facts, and opinions. Everyone is entitled to an opinion, but diminutive bickering belittles us all. This ain't SL so play nice.

[bwood87]

Thank you Navy, I was gonna say something in my post, but I figured a nice detailed response would cool things down a little.

[Idiaz28]

Lol!!!!!!!!!!!!!!!!!!!!!!!!

[Idiaz28]

I just wanted to say that I didn't mean anything in a bad way... If you read my post i continue saying " Please don't take what i am saying in a bad way" or "please don't misunderstand what im posting"...
--- So for RICH and BWOOD, I didn't mean anything i said in a bad way... And Thank you navy for coming in and moderate this post because i was going to take this website off my bookmark... So please no disrespect for any one's opinion. I was just trying to help not start an arguement.

[bwood87]

Navy saves the day again!

[navylife59]

Hey, just call me Maverick. Talk to me Goose!!!!!!

[Idiaz28]

any one knows why i cant view the ZPI website??? I tried going on to view some parts for my 07 tC and now it says "this site could be yours..."

[bwood87]

The site has been down for about a week now. I kept meaning to see if anyone knew why, but I always forgot mention it.

[Idiaz28]

dude, that really sucks. do you know of any other sites that have the LSD for our car???