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What is the ideal autocross turbo?

 
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Old 03-16-2009, 01:44 AM
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What is the ideal autocross turbo?

Right now I have a t04e 57 trim which by the time I need to brake for the next turn I am just starting to spool in 2nd gear. I'm looking for something that is cheap and easy to find. Something that I can interchange when I autocross and has already started built some good boost by 2500 rpm.
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Old 03-16-2009, 03:22 PM
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Re: What is the ideal autocross turbo?

well... which motor do you have?

i switched from a t3/t4 57 trim (almost exactly what you have) on my old H23 to a t3super60 on the F22 and never looked back. the t3/t4 i was waitin around all day to build boost (even @ 5.8psi) but the new t3S60 i have full boost (10psi) by like 3300. it does choke a lil bit up top but its a killlerrr street turbo.

unfortunately its not a direct bolt on (unless you have an open WG). even tho they're both 5 bolt exhausts, the hot side housing is a tad smaller on the t3 so i had to hack up my recirc dumptube, so now its open WG, which sounds sexy as hellll
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But you need that scoop on the hood. Is it true that they're big enough to fit your lunch box and all your camera gear in it?
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Old 03-16-2009, 07:21 PM
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Re: What is the ideal autocross turbo?

well... ball bearing turbo is the way to go. but a smaller turbo and a tune to set you up.
what are you using as management?
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Old 03-27-2009, 12:17 AM
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Re: What is the ideal autocross turbo?

Im looking for something cheap. Maybe best of the junkyard type thing like an Audi s4 or Subaru sti turbo.
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Old 03-29-2009, 11:17 PM
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Re: What is the ideal autocross turbo?

I am using aem plug n play
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Old 03-31-2009, 11:29 AM
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Re: What is the ideal autocross turbo?

you can TRY some straight T3 since that's what flange t3/t4's have, but i have a feeling you'll encounter the same exact problem that i did.

a stock/junkyard turbo DEF isn't gonna work cuz they have all sorts of different and funny flanges, on both inlet and outlet of compressor and turbine.

the easiest bolt on and off turbo is gonna be another t3/t4, just try to find one with the smallest possible trim and a/r's. but you do know your gonna need a different tune each time you switch turbo's right? which i guess you could just have a different ecu for each turbo
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2000 Acura TL; DD
2005 Stage2.5+ Subaru WRB STi : RzKar!
Ivey Tuned - Advan - Cobb - Rallispec - CP - Perrin - ACT - KillerB - Carillo - TurboXS - Defi - Innovate - Walbro - DeatschWerks - Feal - H&R - Alpine - Infiniti - Curt

2001 Kawasaki STX1100 D.I. - Sold!
2007 Sea-Doo RXT 215; ET 127 +3 S/C impeller, DIY 3" intake, DIY resonator delete/free flow exhaust, DIY oil catch can, Rule 500gph bilge pump


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But you need that scoop on the hood. Is it true that they're big enough to fit your lunch box and all your camera gear in it?
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Old 03-31-2009, 05:26 PM
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Re: What is the ideal autocross turbo?

Quote:
Originally Posted by twokexlv6coupe View Post
you can TRY some straight T3 since that's what flange t3/t4's have, but i have a feeling you'll encounter the same exact problem that i did.

a stock/junkyard turbo DEF isn't gonna work cuz they have all sorts of different and funny flanges, on both inlet and outlet of compressor and turbine.

the easiest bolt on and off turbo is gonna be another t3/t4, just try to find one with the smallest possible trim and a/r's. but you do know your gonna need a different tune each time you switch turbo's right? which i guess you could just have a different ecu for each turbo
well if he gets the hondata s300... he can have multiple maps and settings. but whats the point... listen to what nick said... just get a t3/to4e turbo... just w/a small trim size for faster spool. just remember you get what you pay for.
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Old 04-01-2009, 12:00 AM
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Re: What is the ideal autocross turbo?

I'm going to max out my map at 12psi on my T04E. If I run 12 psi on a small T3 wouldn't it run rich but safe? Would it run lean on the 2000 rpm that I hit full boost early? I was also thinking of getting a v band adapter then I could run any flange, plus I wouldn't have to unbolt that stupid five bolt flange in the engine bay anymore horray!
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