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Old 05-09-2008, 11:17 PM   #1
mikey0129
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s15 turbo with mods

hey guys im running a sr20 s15 turbo on my car and want more power out of it. I want to know wats the max hp i can get of this setup that im ganna get soon. or if u guys can recomand me some routes to go with

s15 t28 turbo
Tomei racing manifold
rsr exmag exhaust
450 injectors
Safc2 - tuned at garage boso by frank
255 fuel pump
aem tru boostcontroller
aem wideband
hks actuator

I want to know wats the max hp i can gain from these mods.. help me out my zilvians
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Old 05-09-2008, 11:22 PM   #2
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with those mods, you're looking at about 320hp...if you want more get a gt2871 and a better ems
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Old 05-09-2008, 11:23 PM   #3
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get some cams!!!bigger injectors

a standalone/tune
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Old 05-09-2008, 11:26 PM   #4
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is that 320 to the wheels?hp
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Old 05-09-2008, 11:31 PM   #5
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that 320 is the max most people have seemed to make on a similar setup, depending on alot of things that could be either to the crank or the wheels. condition of your motor, parts, blah blah blah, all that has an effect on it.

like dousan said, cams, a standalone ems, (haltech, PFC), some 555 or 740 injectors, and a biggggerrrr turbo will get you 350-400whp easy.
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Old 05-09-2008, 11:37 PM   #6
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you wont get over 300 with out cams, im running a s15 t28 and only managed about 280ish on 18 psi with BM's. Ill have my built head on next week and get my ecu, ill make sure you to post videos for you. To be honest 550's for 300 hp is fine, if your going bigger then obviously 740s are the solution
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Old 05-10-2008, 08:38 AM   #7
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who the setup that i mentioned above be reliable ?
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Old 05-10-2008, 09:05 AM   #8
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That set up is very common on SR's. I dd my car at 1 bar and I don't have any problems. As long as you have a good tune and keep your boost pressure reasonable, there shouldn't be any issues.
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Old 05-10-2008, 11:16 AM   #9
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Quote:
you wont get over 300 with out cams, im running a s15 t28 and only managed about 280ish on 18 psi with BM's. Ill have my built head on next week and get my ecu, ill make sure you to post videos for you. To be honest 550's for 300 hp is fine, if your going bigger then obviously 740s are the solution
This is only true for you...
I have an s13 redtop sr20 and an s15gt28r, 555cc Deatschwerks(sp?) z32mafs stock cams. With the AFC tune, I made 305whp/302tq 16-16.5
I haven't dyno'd with the romtune as of yet! This was a mustang dyno!
I dyno'd 340 or something ridiculous on a dynojet, that's why i haven't been to a dyno in a year. I do hear the cam story a lot though, why do yo think the cams are holding you back? with cams I think I might see 320whp.
Engine condition and tuning...!
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Old 05-10-2008, 09:54 PM   #10
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how much psi are u boosting? with that setup?
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Old 05-10-2008, 11:03 PM   #11
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high boost 1.2bar about 17.6psi
low .96bar 14psi
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