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jbrnr21
 Post subject: black top conversion
PostPosted: Sun Feb 13, 2011 10:11 pm 
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SilviaNSW Supporter
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Joined: Sun Dec 19, 2010 6:58 pm
Posts: 46
Location: Bathurst, NSW, 2795
Car: green 180sx, 180sx
hey guys, just found out my car came out with a red top sr20det but it has a black top head..

when i ask for parts (e.g. ecu) do i ask for red top stuff or black top stuff???

this might sound like a stupid question but im only new to sr's

thanks

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vex33d
 Post subject:
PostPosted: Mon Feb 14, 2011 9:13 am 
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T04 Hybrid
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Joined: Fri Nov 24, 2006 1:34 pm
Posts: 250
Location: Central Coast, NSW
Car: Zenki S14
It is my understanding that S13 chassis' came with both 'red' and 'black' topped SR20s. It was the earlier model SR20s that featured red rocker covers vs black rocker covers of the later model type x 180s. These engines all featured non VCT heads.

Unlike S14/S15's that had OEM VCT SR20s with black rocker covers. These are visually different to ealier SR20s in that the inlet plenum hides the injectors, has a VCT 'hump' at the very front of the rocker cover on the inlet side and has a slope downward toward the firewall.

Hope this helps in deciding upon whether you are to order SR red or blacktop parts.

Note - Rocker cover colour should NOT be used as a guide to establish SR20 type.

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Killabeez
 Post subject:
PostPosted: Mon Feb 14, 2011 9:19 am 
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Joined: Mon Mar 27, 2006 10:31 pm
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Yeah check for the hump,VCP to see if its an s14/s15 blacktop. But if its the 180sx 1994+ blacktop they have different ecu etc to the redtop. But also remember that rocker covers are easily changed. You should check your ecu for the part number and google it. That will confirm what you have. If you have a power fc then check this part number too as they are different for red/blacktop too.
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jbrnr21
 Post subject:
PostPosted: Mon Feb 14, 2011 7:21 pm 
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Joined: Sun Dec 19, 2010 6:58 pm
Posts: 46
Location: Bathurst, NSW, 2795
Car: green 180sx, 180sx
thanks guys, geez i love this site, ive got so much info out of this site its not funny...

you da best.

jay

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jbrnr21
 Post subject:
PostPosted: Tue Feb 15, 2011 7:49 pm 
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SilviaNSW Supporter
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Joined: Sun Dec 19, 2010 6:58 pm
Posts: 46
Location: Bathurst, NSW, 2795
Car: green 180sx, 180sx
so it does have a black top head as ive found out (non vct)... and went to buy an ecu and injectors they asked me if it redtop or black top,

should i tell them its black top or red top, to my understanding (wat ive been told) the black top has a different ecu? is this correct?

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fergo308
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PostPosted: Wed Feb 16, 2011 12:43 pm 
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Joined: Mon Sep 08, 2003 11:21 pm
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Location: Sydney
Car: WGNC34,S14,AE86
Killabeez wrote:
You should check your ecu for the part number and google it. That will confirm what you have. .



Sound Advice.


Justin...

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10krpmv8
 Post subject:
PostPosted: Wed Mar 09, 2011 6:19 pm 
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Joined: Wed Mar 09, 2011 5:26 pm
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Car: sc400, fd rx7, e46 m3
^ agree as well
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