Turbo Motor Discussions about aftermarket turbo'd 240sx and Silvias.

13 second 240?

Old Jul 16, 2003 | 06:01 PM
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From: umm, here?
13 second 240?

What would be the fastest and easiest way to get a 240 s14 with a sr20det engine to break 13's at the track. And maybe do a little drifting on the side
Old Jul 19, 2003 | 02:04 AM
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Check this thread out

http://www.240sxforums.com/forums/sh...&threadid=6972

It'll give you good idea what you need, but mostly general.
Old Aug 6, 2003 | 11:49 AM
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What type of SR20DET? Do you have the T25 or T28

- FMIC
- 3" catback
- 3" downpipe
- boost controller

The only other things I had on my car were larger fuel injectors (550cc) and a Z32 fuel pump, neither of which you should need with the stock turbo. I was just getting ready for the upgrade.

That gave me a 13.8 on my first trip to the track (first time ever racing a RWD car)
Old Aug 11, 2003 | 02:37 AM
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13.8 under how much boost?
Old Aug 11, 2003 | 02:46 AM
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wow thats pretty good. like sonic asked on how many psi? stock?
Old Aug 11, 2003 | 02:30 PM
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No, I used my boost controller to raise it up to around 11 psi, I think.
Old Aug 11, 2003 | 06:23 PM
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dont u have a gauge to see how much psi u running? thats not good to raise the psi without knowing
Old Aug 12, 2003 | 12:44 PM
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lol... the "I think" is due to my faulty memory, not lack of boost gauge
Old Aug 12, 2003 | 05:33 PM
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boost gauge shmoost gauge, he'll figure it out when his rods bend
Old Aug 13, 2003 | 12:01 AM
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lol
Old Aug 16, 2003 | 01:26 PM
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his pistons would melt (lean) before the rods bent, but anyway...

BACK ON TOPIC:

for S13 SR, 3" exhaust, FMIC, boost to about 11psi, get on dyno and make sure A/F ratio is OK. WALBRO FUEL PUMP. not an option. should get you high 13s with a good launch. S14 is same formula, but it's got bigger injectors and a better turbo so you can turn it up some more and get into mid-13s
Old Aug 17, 2003 | 04:36 PM
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not true, rods bend uder too much pressure and pistons melt from running lean. so if his fuel mixture was adequate and he just ran too much boost, his rods would bend first
Old Aug 17, 2003 | 11:49 PM
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in general yes, on the SR, no. there are guys running 400-500 HP (usually in the low-20psi range on T3/T4 or T3/T04E hybrids), on stock bottom ends, so i don't think his rods would be scared of what the teensy little T25 can throw at them (did i mention i hate my stock turbo? )
Old Aug 18, 2003 | 12:52 AM
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wats the difference between those 2 turbos u just mentioned?
Old Aug 18, 2003 | 04:36 AM
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The T28 is a **** hair bigger

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