# s13 blacktop sr20 owners check this out !!! **URL:** \ **Category:** SON240sx Automotive\ **Created:** [March 28, 2005, 8:58am UTC](https://forums.speedlife.net/t/s13-blacktop-sr20-owners-check-this-out/84564 "2005-03-28T08:58:25Z")\ **Posts on this page:** 14\ **Page:** 1
**Author:** ![slipperysilvia](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/slipperysilvia/32/5485_2.png) [@slipperysilvia](https://forums.speedlife.net/u/slipperysilvia)\ **Post date:** [March 28, 2005, 8:58am UTC](https://forums.speedlife.net/t/s13-blacktop-sr20-owners-check-this-out/84564/1 "2005-03-28T08:58:25Z")
If anyone here bought a blacktop motor from me, and i gave them a redtop 62 ecu contact me asap and ill swap ure 62 for an e5 or a J4 blactkop s13 ecu…This is free of charge !!! ---
**Author:** ![spilner](https://avatars.discourse-cdn.com/v4/letter/s/f17d59/32.png) [@spilner](https://forums.speedlife.net/u/spilner)\ **Post date:** [March 28, 2005, 2:32pm UTC](https://forums.speedlife.net/t/s13-blacktop-sr20-owners-check-this-out/84564/2 "2005-03-28T14:32:08Z")
how will we know? ---
**Author:** ![ronnie416](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/ronnie416/32/5480_2.png) [@ronnie416](https://forums.speedlife.net/u/ronnie416)\ **Post date:** [March 28, 2005, 3:36pm UTC](https://forums.speedlife.net/t/s13-blacktop-sr20-owners-check-this-out/84564/3 "2005-03-28T15:36:09Z")
> [@spilner](#): > > how will we know? It says it right on the ECU…lol. Trust me dude, you can’t miss it. ---
**Author:** ![slipperysilvia](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/slipperysilvia/32/5485_2.png) [@slipperysilvia](https://forums.speedlife.net/u/slipperysilvia)\ **Post date:** [March 28, 2005, 3:45pm UTC](https://forums.speedlife.net/t/s13-blacktop-sr20-owners-check-this-out/84564/4 "2005-03-28T15:45:54Z")
your ecu is E5 tyler… u dont need to worry about anything. ---
**Author:** ![Sprty240](https://avatars.discourse-cdn.com/v4/letter/s/cab0a1/32.png) [@Sprty240](https://forums.speedlife.net/u/Sprty240)\ **Post date:** [March 29, 2005, 6:01am UTC](https://forums.speedlife.net/t/s13-blacktop-sr20-owners-check-this-out/84564/5 "2005-03-29T06:01:15Z")
what is the purpose of switching? ---
**Author:** ![DETS14](https://avatars.discourse-cdn.com/v4/letter/d/ee59a6/32.png) [@DETS14](https://forums.speedlife.net/u/DETS14)\ **Post date:** [March 29, 2005, 8:49am UTC](https://forums.speedlife.net/t/s13-blacktop-sr20-owners-check-this-out/84564/6 "2005-03-29T08:49:41Z")
> [@Sprty240](#): > > what is the purpose of switching? Wouldn’t you want an ecu MADE for your motor? Simple as that. ---
**Author:** ![NeveR](https://avatars.discourse-cdn.com/v4/letter/n/e95f7d/32.png) [@NeveR](https://forums.speedlife.net/u/NeveR)\ **Post date:** [March 29, 2005, 10:38am UTC](https://forums.speedlife.net/t/s13-blacktop-sr20-owners-check-this-out/84564/7 "2005-03-29T10:38:14Z")
Varun, I’m running a redtop ecu on my blacktop. I dunno if the motor was bought off of you tho. Is this offer still valid? ---
**Author:** ![Sprty240](https://avatars.discourse-cdn.com/v4/letter/s/cab0a1/32.png) [@Sprty240](https://forums.speedlife.net/u/Sprty240)\ **Post date:** [March 29, 2005, 11:49am UTC](https://forums.speedlife.net/t/s13-blacktop-sr20-owners-check-this-out/84564/8 "2005-03-29T11:49:04Z")
well i didnt think it mattered too much seeing as im running a blacktop ecu on my redtop… that varun sold me. ---
**Author:** ![Jedi\_Car\_Fan](https://avatars.discourse-cdn.com/v4/letter/j/b9e5f3/32.png) [@Jedi\_Car\_Fan](https://forums.speedlife.net/u/Jedi_Car_Fan)\ **Post date:** [March 29, 2005, 1:02pm UTC](https://forums.speedlife.net/t/s13-blacktop-sr20-owners-check-this-out/84564/9 "2005-03-29T13:02:18Z")
I’m just guessing… but should there not be a big enough diff between the two ? The Black top has VVT… is there not something in the ECU to control that or monitor it ? where as the Red top is without VVT and if in fact the ECU controls/monitors it… how could the VVT work proper on a Black Top with Red top ECU ? Again… I’m guessing or making an assumption ---
**Author:** ![Sprty240](https://avatars.discourse-cdn.com/v4/letter/s/cab0a1/32.png) [@Sprty240](https://forums.speedlife.net/u/Sprty240)\ **Post date:** [March 29, 2005, 1:11pm UTC](https://forums.speedlife.net/t/s13-blacktop-sr20-owners-check-this-out/84564/10 "2005-03-29T13:11:35Z")
not all blacktops have vvt, only the later models do. ---
**Author:** ![ronnie416](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/ronnie416/32/5480_2.png) [@ronnie416](https://forums.speedlife.net/u/ronnie416)\ **Post date:** [March 29, 2005, 2:25pm UTC](https://forums.speedlife.net/t/s13-blacktop-sr20-owners-check-this-out/84564/11 "2005-03-29T14:25:19Z")
Only S14 Blacktops and S15 Blacktops have VVTI. Varun, my #62 ECU will work with my Blacktop, correct? ---
**Author:** ![Uniac](https://avatars.discourse-cdn.com/v4/letter/u/34f0e0/32.png) [@Uniac](https://forums.speedlife.net/u/Uniac)\ **Post date:** [March 29, 2005, 2:26pm UTC](https://forums.speedlife.net/t/s13-blacktop-sr20-owners-check-this-out/84564/12 "2005-03-29T14:26:19Z")
> [@slipperysilvia](#): > > If anyone here bought a blacktop motor from me, and i gave them a redtop 62 ecu contact me asap and ill swap ure 62 for an e5 or a J4 blactkop s13 ecu…This is free of charge !!! hahaha nice, varun you won’t get the blitz one that easy. s13gg has a blitz tuned 62 on his blacktop runs mint. so i doubt there is a problem with the ecu switchings… ---
**Author:** ![Jedi\_Car\_Fan](https://avatars.discourse-cdn.com/v4/letter/j/b9e5f3/32.png) [@Jedi\_Car\_Fan](https://forums.speedlife.net/u/Jedi_Car_Fan)\ **Post date:** [March 29, 2005, 3:15pm UTC](https://forums.speedlife.net/t/s13-blacktop-sr20-owners-check-this-out/84564/13 "2005-03-29T15:15:10Z")
My guess was coming from the Siliva… Red Top: 91-93 S13 Silvia 202HP, 203 lb-ft Garrett T25 turbo High-port head Black Top: (hump peaking on cylinder 3) 94-98 S14 Silvia 217HP, 203 lb-ft Garrett T28 ball bearing turbo Low-port head VTC variable intake timing Black Top: (hump peaking on cylinder 3) 99-01 S15 slivia 247HP, 202 lb-ft Garrett T28 ball bearing turbo (better materials and wastegate than s14) Low-port head VTC variable intake timing But I guess the 180SX comes with a Black Top but has the same spec’s as the Red Top and if it does not have VVT then what is the diff between the two other then valve cover colour Black Top: 94-98 S13 180SX 202HP, 203lb-ft Garrett T25 turbo High-port head ---
**Author:** ![AppleSauce](https://yyz2.discourse-cdn.com/flex034/user_avatar/forums.speedlife.net/applesauce/32/5521_2.png) [@AppleSauce](https://forums.speedlife.net/u/AppleSauce)\ **Post date:** [March 29, 2005, 3:34pm UTC](https://forums.speedlife.net/t/s13-blacktop-sr20-owners-check-this-out/84564/14 "2005-03-29T15:34:10Z")
The 2 S13 ECUs are basically the same, some minor differences in the pin out, but both will run eithor motor. And I believe the s13 blacktop ECU doesn’t have the LED diagnose light.