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Location:
NSW Engadine
Registered:
June 2003
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Location:
Sydney
Registered:
April 2003
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Re: Types of 20V
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Sat, 20 November 2004 02:12
 
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It is true that the blacktop can run individual intakes.
For a silvertop, it cannot run individual intakes because it relies on the AFM. If you want to run individual intakes on a silvertop, you have to install an aftermarket ecu with a Map Sensor.
Aftermarket computers to suit the application would probably be around the $1500 mark, fitted and tuned.
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Location:
NSW Engadine
Registered:
June 2003
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Re: Types of 20V
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Sat, 20 November 2004 02:19
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Then how do I use an airbox when it will be facing backwards???
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Location:
Sydney
Registered:
April 2003
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Re: Types of 20V
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Sat, 20 November 2004 02:24
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Converting to a map sensor would mean you can run open quads with filter socks.
But if you want to keep an airbox just keep it the way it is. Or convert to map sensor, run open quads with filter sock and run some piping from the front bumper up into the filters
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Location:
NSW Engadine
Registered:
June 2003
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Re: Types of 20V
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Sat, 20 November 2004 02:26
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But you said I need an aftermarket ECU...
Is it possible to pull a MAP sensor off a blacktop and use it with the ST ECU???
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Location:
Sydney
Registered:
April 2003
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Location:
NSW Engadine
Registered:
June 2003
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Re: Types of 20V
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Sat, 20 November 2004 02:37
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Are blacktops that much more expensive??? Because finding a blacktop for the right price will be better for me than trying to hybridise a ST to run quads... unless I leave the airbox at the back of the engine bay and devise some sort of huge CAI or scoop...
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Location:
Sydney (Campbelltown...!)
Registered:
December 2003
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Re: Types of 20V
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Sat, 20 November 2004 04:29
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when i bought my silvertop it was like $650 for motor and box and a blacktop was $1490 i got a micotech for $1000 so it worked out about the same for silvertop and aftermarket comp then a blacktop...
u cant fit dizzy and have to make up some kinda water setup, get custom extractors run trumpets or make custom plenum... its more effort but has far better results!
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Location:
NSW Engadine
Registered:
June 2003
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Re: Types of 20V
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Sat, 20 November 2004 04:39
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I think i'll just go the blacktop... I can't do all that custom wiring shit... I think i'll have enough trouble with the factory loom!
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Location:
Brisbane
Registered:
May 2002
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Re: Types of 20V
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Sat, 20 November 2004 05:38
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The blacktop wiring is harder than the silvertop wiring due to teh blacktop's using the newer style of engine loom. You will have a LOT of wiring mods to do after you hack up your firewall to clear the distributor and thermostat housing, as you have to strip down and lengthen the entire engine loom.
You will also need to source a speedo pulse sender if you want the stock ECU to allow the engine to rev out to 8200 instead of 7500. The AE71 speedo assembly does not have the 4 pulse output like an AE86 cluster, so you need to get one of those pulse senders that piggyback onto the mechanical drive out of the gearbox for the speed sensor signal.
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Location:
NSW Engadine
Registered:
June 2003
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Re: Types of 20V
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Sat, 20 November 2004 05:52
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FUCK!... sorry
I'm just gonna buy a 4AGE and put in some cams, extractors and Wiseco pistons or something... much easier...
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Location:
NSW Engadine
Registered:
June 2003
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Re: Types of 20V
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Sat, 20 November 2004 05:53
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Thanks for your help guys, you've cleared up a lot of uncertainties... hopefully this helps others too
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