S15 turbo question

Discuss topics related to the CA18DE and CA18DET series engines.
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ILOVESILVIA(S13)
Posts: 521
Joined: Tue Sep 09, 2003 2:43 pm
Car: 93 Ca18det Hatch, 03 Subaru WRX Wagon (daily), Subaru Legacy Limited GT (daily)
Location: Raleigh, North Carolina

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Sorry if this has been covered before but I am going to ask anyway. My current turbo (sr t25) is on its last leg. Just starting smoking this week. I am looking to get a oem s15 turbo. I was wondering if I could run the s15 safely on my current setup? I am running a stock intercooler (for the moment. Will have new one next pay period), full intake & exhaust, upgraded fpr, walboro fuel pump, cp pistons, z32 fuel filter and my engine only has 30k after the rebuild. I basically just wanted to make sure I can run this turbo at stock boost without having to upgrade the injectors, maf, and engine management all at the same time? Of course after I save up more money I will cover those mods, however I just needed to get the new turbo on there as soon as possible with what funds I currently have set aside.

Thanks for the help. :biggrin:


dans91s13
Posts: 23
Joined: Mon Sep 05, 2011 2:26 pm
Car: 89 240sx getting ready for a CA18DET swap.
Location: Out side Knoxville, TN

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I dont see any reason why you would have any problems at 8-10psi or less, just dont get ichy and try and crank it up wanting more intill you get some fueling mods.

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float_6969
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Posts: 17366
Joined: Mon Aug 26, 2002 1:55 pm
Car: CA18DET swapped 1995 Nissan 240sx (too many mods to list)
2015 SV Leaf w/QC & Bose (daily)
Location: Topeka, Kansas
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As long as you leave the boost alone, you'll be fine.


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