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Discussion Starter #1
I can't believe how expensive these are! How much RWHP can I make out of a SP-57 or a SP-63? Are small single turbos reliable or do they add extra un-needed stress on the engine!
 

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Yes we do. I did it because I could add about 100rwhp on pump gas with stock MAF and fuel system. The other factor is because this turbo should actually be more reliable on the roadcourse than the stock turbo's. Just a few years ago, I thought this was crazy also. Actually I gained 94rwhp for about $5,800. This is on top of BPU+. That is actually less than $62/rwhp. Believe it or not, that is a good bargain. Think of it this way. If a FMIC will give you 20rwhp for $1,500 than you have spent $75/rwhp. Now you can see what a bargain the single turbo's really are. :D Of course the "MAX AIR" airbox adds around 8rwhp for $259. That is less than $33/rwhp so everyone with stock turbos should run right out and buy one. :)

Later, Steve
 

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Yeah... and they look cool too! :D
 
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Discussion Starter #5
What are differences in between Sp-57 and Sp-60 and Sp-63?
 

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install for just about any of those from sound-performance in chicago will run you up to about 7k including the price of the setup. It would seem (not from my experience, but that of everyone else who has one who i have talked to) that they do quality work at a reasonable price, and are always willing to go the extra mile for the customer.
 

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The SP57 is a 60mm inlet with a .58 a/r
The SP60 is a 60mm inlet with around a .70 a/r
The SP63 is a 63mm inlet with around a .70 a/r or larger

This is a little over simplified, but you can read about the specific characteristics at www.sound-performance.com/parts/turbos.htm

Later, Steve
 
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Discussion Starter #9
Steve Jarvis said:
Yes we do. I did it because I could add about 100rwhp on pump gas with stock MAF and fuel system. The other factor is because this turbo should actually be more reliable on the roadcourse than the stock turbo's. Just a few years ago, I thought this was crazy also. Actually I gained 94rwhp for about $5,800. This is on top of BPU+. That is actually less than $62/rwhp. Believe it or not, that is a good bargain. Think of it this way. If a FMIC will give you 20rwhp for $1,500 than you have spent $75/rwhp. Now you can see what a bargain the single turbo's really are. :D Of course the "MAX AIR" airbox adds around 8rwhp for $259. That is less than $33/rwhp so everyone with stock turbos should run right out and buy one. :)

Later, Steve

Interesting
 
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Discussion Starter #10 (Edited)
Steve Jarvis said:
Yes we do. I did it because I could add about 100rwhp on pump gas with stock MAF and fuel system. The other factor is because this turbo should actually be more reliable on the roadcourse than the stock turbo's. Just a few years ago, I thought this was crazy also. Actually I gained 94rwhp for about $5,800. This is on top of BPU+. That is actually less than $62/rwhp. Believe it or not, that is a good bargain. Think of it this way. If a FMIC will give you 20rwhp for $1,500 than you have spent $75/rwhp. Now you can see what a bargain the single turbo's really are. :D Of course the "MAX AIR" airbox adds around 8rwhp for $259. That is less than $33/rwhp so everyone with stock turbos should run right out and buy one. :)

Later, Steve
good point!
 
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