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06-27-2005, 12:32 AM
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#1 | |
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AF Enthusiast
Join Date: Oct 2003
Location: Terre Haute, Indiana
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New S13 SR20
Hey, I'v finally got my S13 240sx. It is a very fun car so far.
Hopefully soon I will post so Pictures or maybe make a car domain page. The Sr20DET is an incredable engine, but I have 1 Question. I know the Stock turbo is a Garrett T25. My question is when should the engine start boosting? Mine does not build pressure until around 4000rpm. I know the T25 is a smaller turbo, I think it should boost a little faster. Anyone have any ideas on whats going on?? Im running a Profec B boost cont. and an Apexi SAFC. My friend and I tried to tune the Boost cont. and anything we changed seemed to make no change. We even tried bypassing the Boost Cont. and still the 4000rpm boost. Could it be something with the SAFC or a boost leak. Thank you for any feedback Lee
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1990 Nissan 240sx Coupe -SR20DET engine & Tranny -Nismo motor & tranny mounts -Apexi Super AFC -Spec Stage 2 clutch -Greddy Profec B Boost Cont. -14" electric fan -Autometer Boost & EGT guages -Walbro fuel pump -HKS FMIC -HKS BOV -Tein Drift Spec coilovers -Advan Wheels SA3 Future Plans: Stock S-15 injectors and turbo Hopefully somewhere around 300rwhp!!! Drive her and have fun fun fun!!! |
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06-27-2005, 01:45 AM
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#2 | ||
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Banned
 
Join Date: Jun 2003
Location: Austin, Texas
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Re: New S13 SR20
Quote:
if it was a boost leak it would be more than slow spool... perharps your turbo is on the way out? or Perhaps you got some wackass 2.0mm Head Gasket? |
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06-27-2005, 01:53 AM
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#3 | |
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AF Regular
 Join Date: Nov 2003
Location: jacksonville, Florida
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mine produced 7psi at 3000rpms
could be the turbo, just a possiblity, the sr20det stock has practically no lag |
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06-27-2005, 02:06 AM
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#4 | |
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AF Enthusiast
 Join Date: Aug 2003
Location: sunny, California
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Re: New S13 SR20
yeah dude, my "RIP" T25 boosted at 2500 RPM!! full boost at 3000 RPM...
may be u have a boost leak? how is the BOV? piping?
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"A good driver is measured not by his lap times, but by the amount of time he spend trying to make sense of his car" E.K. |
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06-27-2005, 03:22 AM
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#5 | |
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AF Fanatic
Join Date: Jun 2004
Location: Concord, California
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could just be lack of natural compression in the engine. try a compression test to see.
__________________
 "I got that hustle in my genes like high blood pressure" -E-40 |
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06-27-2005, 06:59 AM
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doin it sidewayz
Join Date: Jun 2004
Location: niceville, Florida
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Re: New S13 SR20
good thread to share this i finally got my boost working in the sr. after i put on greddy front mount. im making 10psi now
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06-27-2005, 02:46 PM
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#7 | |
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AF Regular
Join Date: Oct 2002
Location: terre haute, Indiana
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Re: New S13 SR20
here are some quick pics of his car...
    sup lee!!111
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my current 240--ka-t 
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06-27-2005, 04:31 PM
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#8 | |
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AF Enthusiast
Join Date: Apr 2005
Location: Snowdon
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Re: New S13 SR20
I wanna go to that house!!!1
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06-27-2005, 11:37 PM
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#9 | |
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AF Enthusiast
Thread starter
Join Date: Oct 2003
Location: Terre Haute, Indiana
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Re: New S13 SR20
Thanks chris, ya thats the car house
__________________
1990 Nissan 240sx Coupe -SR20DET engine & Tranny -Nismo motor & tranny mounts -Apexi Super AFC -Spec Stage 2 clutch -Greddy Profec B Boost Cont. -14" electric fan -Autometer Boost & EGT guages -Walbro fuel pump -HKS FMIC -HKS BOV -Tein Drift Spec coilovers -Advan Wheels SA3 Future Plans: Stock S-15 injectors and turbo Hopefully somewhere around 300rwhp!!! Drive her and have fun fun fun!!! |
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06-28-2005, 08:32 PM
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doin it sidewayz
Join Date: Jun 2004
Location: niceville, Florida
Posts: 3,332
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Re: New S13 SR20
i want a car house to goto w/ 240's everywhere
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06-29-2005, 10:38 PM
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#11 | |
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AF Enthusiast
Join Date: Jun 2005
Location: your mom's house, New Jersey
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Re: New S13 SR20
that would be my dream house, cept with supras, skylines, etc. sweeeeet...
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"I wish there was a knob on the TV to turn up intellegence. There's a knob called "brightness," but it doesn't work." -Gallagher still need a car...so sad 
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