Engine build - which heads best for 2.1?
Hi all,
I am in the process of specing up my engine build, am going 2.1 on a cdb, and am looking at which heads to use. Current options are, go for V5/6 sti heads, with new / different cams etc Or: going for avcs/vvt heads, which I know will need wiring in as my wrx doesn't currently have these. I like the idea of being able to get more torque :D Whatever route I go heads will be machined/ported etc, new valves etc What I would like to know more about is; - what wiring is required to add vvt heads onto my wrx, which ecu will I need (ideally looking at simtek) - if I go v5/6 head route, what cams would you reccomend? I have a target figure of around 500bhp, but maintaining driveability, minimal lag etc is as important as overall figures. Thanks Iain |
Hi there AVCS on WRX is possible,but you will need JDM WRX engine with JDM WRX ECU,which is on ECU pinout for AVCS heads and JDM WRX have AVCS heads on inlet side.
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I'm going for a build from scratch and will be using an aftermarket ecu, have been told that it is possible with autronics but not sure how much they are new, was wondering if they would work with a simtek?
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Will work with Syvecs Ecu
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Originally Posted by IainMilford
(Post 9794816)
I'm going for a build from scratch and will be using an aftermarket ecu, have been told that it is possible with autronics but not sure how much they are new, was wondering if they would work with a simtek?
http://www.thor-racing.co.uk/Link-103.asp And about Autronics is about £1495 mapped and fitted Simtek is useless ECU for AVCS controling. Jura |
ok thanks, so the autronics is only just more expensive than simtek so will be within my budget, syvecs I know is very good but also very expensive :)
Do you know what is involved with adding the extra wiring, is it fairly straightforward or a massive job? |
Originally Posted by IainMilford
(Post 9794883)
ok thanks, so the autronics is only just more expensive than simtek so will be within my budget, syvecs I know is very good but also very expensive :)
Do you know what is involved with adding the extra wiring, is it fairly straightforward or a massive job? http://www.linkecu.com/support/docum...on/SubaruV5to6 http://www.linkecu.com/support/docum...on/SubaruV7to9 You will need AVCS wiring loom and AVCS solenoid. Jura |
Originally Posted by IainMilford
(Post 9794883)
Do you know what is involved with adding the extra wiring, is it fairly straightforward or a massive job?
http://www.ds1motorsports.com/assets...l_document.pdf I`ve been thinking about doing the same on a UK WRX with sti long motor, Still in the thinking process at the mo, Not sure if its worth it with Ecu etc....:wonder: |
Thanks for the info Jura.
Gaz I know what you mean, but for me the price of the ecu and heads is fairly similar whether I go for avcs or not, so the difference is in the amount of work/cost for the additional wiring. |
Hi there i'm now building 2.1 stroker with AVCS,at this time i will run just with std.ECU,mine engine is JDM WRX which have built AVCS on inlet side and i will run just std.JDM WRX ECU,but i think i will need custom map for AVCS.
If you are will go for AVCS,you will need AVCS wiring loom/kit here is link http://www.iaperformance.com/product...oducts_id=2580 and AVCS solenoid which cost around £80 And additional wiring will be maybe nothing serious if you are go built engine from scratch. You will see....Keep posted. Jura |
thanks for the link not too expensive then mmmmmmmmmmm think I know which way I'm leaning now
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Originally Posted by IainMilford
(Post 9795031)
thanks for the link not too expensive then mmmmmmmmmmm think I know which way I'm leaning now
And for AVCS wiring kit and solenoid you can also ask some breaker for this kit,i pretty sure you will find this much easier. Jura |
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