Attention '05 Evo and MR owners
Jun 13, 2005, 06:44 PM
#31
no problems with my Type-S dude VTA...did he install his right??? many have done that on here...gotta put the oppisite side if the tuning screw on the boosted side of the pipes...not the connection on the side of the valve
Last edited by alan678; Jun 13, 2005 at 06:51 PM.
Jun 13, 2005, 07:58 PM
#32
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so does the 05 still running MAF or does it actually have a MAP sensor. And please, more 05 EVO come forward and comfirm that 05 EVO doesnt have stalling problem after Installing VTA BOV
Jun 13, 2005, 08:05 PM
#34
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Originally Posted by Mooshu1221
so does the 05 still running MAF or does it actually have a MAP sensor. And please, more 05 EVO come forward and comfirm that 05 EVO doesnt have stalling problem after Installing VTA BOV
Jun 13, 2005, 08:12 PM
#36
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all evo models use a MAP sensor as well as a MAF, how do you think the ecu knows how much you're boosting? when the map indicates 19psi it cuts off boost.. but 
probably made some few changes in the ecu software to run VTA for the 05 models
probably made some few changes in the ecu software to run VTA for the 05 models
Jun 14, 2005, 01:01 PM
#42
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Sorry, VTA does not work properly, sure it runs, but the Evo has no way to understand that it is Venting, sorry. When you vent, you have all this air that is counted and then it's tossed out the intake instaed of back into it. BUT you have all that fuel to match that spent air, so you run rich inbetween shifts, can hurt you spoolup inbetween shifts and will SURELY foul your plugs. It is a passable with the stock turbo, but try so with a BIG turbo and it gets worse unless you have a MAP. And yes it'll idle without the MAF attached, even on my 03 it idled fine but hit the gas and see what happens 
Last edited by umiami80; Jun 14, 2005 at 01:29 PM.
Jun 14, 2005, 01:25 PM
#43
Originally Posted by DCSilvrEvo
When did Stock EVOS get A MAP system?
http://www.roadraceengineering.com/e...-ecuwiring.htm
pin-73 Manifold Differential Pressure Sensor (MAP)
pin-90 Volume Air Flow Sensor Signal (MAF)
pin-85 Barometric Pressure Sensor Signal (probably MAP also)
I might have 73 and 85 mixed up ....
Jun 14, 2005, 02:22 PM
#45
Originally Posted by donmeca2020
alright lets get some more people to confirm this, i want a BOV that can VTA but with no problems what so ever. this is the only reason i havent purchased one yet.