Turbo Comparo!
danse
Joined: Jun 2003
Posts: 6,278
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Any of the turbos in your list will get near, to or over 300whp. The lightweight of the bunch is the 34. The biggest of the bunch is the SR40, in between you have the 1820, SR30 and 1818 in descending order of power. The SR30 is probably a little quicker to spool than the 1818, but the two are at least comparable. The SR40 is good for much more than 300whp, but you're going to need some upgrades on the internals to go much higher. I run a 34 and got pretty close to 300whp on Mastro's dyno. My car is pretty safely mapped and only running 17.5psi. The SR30 might be a very nice compromise. I've heard nothing but good things about the APS SR series. Have Billy give you a ride sometime to see what you think. His car is pretty close to stock, but it should give you a general idea. 
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“You will never do anything in this world without courage. It is the greatest quality of the mind next to honor.” - Aristotle (384 BC-322 BC)
Want to know what the war in Iraq is really costing America? Click here
ASM FTW!
Joined: May 2003
Posts: 1,487
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I like the idea of a ball bearing turbo in general.... ive heard they are maintinance freaks, but ive also heard the APS stuff is bomb proof! im not sure now, but im almost scared to see what 300 whp feels like.. im used to about ya know 170 whp
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95 Supra Turbo 6 speed
11 SWP STI sedan
95 Supra Turbo 6 speed
11 SWP STI sedan
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Me?? SR40?? You all must be talking about some other Billy.
I don't even recall where my dyno graph is, or I would post it. It really isn't much good to look at because at the time of tuning I had a huge leak in the uppipe right where it bolts to the turbo. So, needless to say there is a bit of a delay before the power started to come on. I should be getting back up there in a little bit after I get all the parts I have sitting in my dining room in their correct spots and iron out some kinks.
I don't even recall where my dyno graph is, or I would post it. It really isn't much good to look at because at the time of tuning I had a huge leak in the uppipe right where it bolts to the turbo. So, needless to say there is a bit of a delay before the power started to come on. I should be getting back up there in a little bit after I get all the parts I have sitting in my dining room in their correct spots and iron out some kinks.
ASM FTW!
Joined: May 2003
Posts: 1,487
Likes: 0
How much lag do you see on the "stock" turbo Billy? I think i asked you this before, i just cant remember after hearing all kinds of different specs now! im just lost
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95 Supra Turbo 6 speed
11 SWP STI sedan
95 Supra Turbo 6 speed
11 SWP STI sedan
Last edited by 722ish; Aug 6, 2003 at 09:15 AM.
ASM FTW!
Joined: May 2003
Posts: 1,487
Likes: 0
AAhhh, do you see some wheelspin on the stock tires?> ive heard that after about 250 whp first and second spins em up like nuts... obviously i dont know, but im on my way...
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95 Supra Turbo 6 speed
11 SWP STI sedan
95 Supra Turbo 6 speed
11 SWP STI sedan
