General For General 240sx/Silvia (s-chassis) discussions.

Sr20det

Old Apr 6, 2003 | 08:20 PM
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Sr20det

I'm sorry to ask the noobie question, but what is the difference between the red-top sr20det and the black-top sr20det?
Old Apr 6, 2003 | 08:41 PM
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Redtops were '90-'93, Blacktops were '94-'98 and had a refined fuel map in the ECU.
Old Apr 6, 2003 | 09:37 PM
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and dont the blacktops have more Torque? i dunno...im out of it haha.
Old Apr 6, 2003 | 09:51 PM
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No.
Old Apr 6, 2003 | 09:55 PM
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can a blacktop go in an s13?

and also, is there any point?
Old Apr 6, 2003 | 09:58 PM
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lol 0k thx, and yea it kan.(i think) im sure im wrong kus i always am haha
Old Apr 6, 2003 | 10:02 PM
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wow that was some amazingly broken webenglish but i wonder if anybody else can more factually tell me the benfits of black vs red?
Old Apr 6, 2003 | 10:34 PM
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No advantages at all. It's just newer. And yes it fits in an S13 cause they came stock in the S13 ('94+ 180SX).
Old Apr 6, 2003 | 10:53 PM
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ok thank you very much
Old Apr 7, 2003 | 05:04 PM
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black top has variable valve tech. its alot different from the red top. black tops come in s15's and if im correct around 240whp(or maybe its 220) and redtops are aroud 212whp.

matt
Old Apr 7, 2003 | 05:05 PM
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and yet it isnt more powerful??

thats stupid; make it more complicated, but not more powerful...
Old Apr 7, 2003 | 05:07 PM
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sorry i just changed my post after you posted, yes it is more powerful
Old Apr 7, 2003 | 05:09 PM
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and yet it still bolts in to a 91 s13....

hmmm.

*thinks*

ive noticed very little price difference between the two, so a black top is a better choice?
Old Apr 7, 2003 | 05:10 PM
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bolts to a 91???? maybe the mounts are the same, but different ecu most deffinetly


heres the specs http://www.fast-autos.net/nissan/silviainfo.html

dont know how offical they are but sounds correct from what i remember
Old Apr 7, 2003 | 05:13 PM
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Originally posted by mcguiver7
bolts to a 91???? maybe the mounts are the same, but different ecu most deffinetly
Originally posted by I'm with Stupid
No advantages at all. It's just newer. And yes it fits in an S13 cause they came stock in the S13 ('94+ 180SX).
Hmm wouldn't the ECU come with a blacktop SR20det from say:
http://www.srswap.com/html/products/s13blacktop.htm

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