p0u1 14 Posted August 24, 2010 Report Share Posted August 24, 2010 hiim planing on using two k03 turbos to bi turbo my car as there cheap, used a hell of alot and there good for 200hp each on the audi s3's im not looking for huge power gains just something to make it faster :-p, its also a bit of my diy project as i will be making the manifolds and tubing round the engine bay.so yea anyone used two of them and was it successful? Link to post Share on other sites
vr6stormt 0 Posted August 24, 2010 Report Share Posted August 24, 2010 ive been looking into these for my project like you not looking for a rocket ship and these ko`s do look good for a diy..i read an article on a vr in the eu somwhere running two ko3`s and all seemed good ? Link to post Share on other sites
craggsy 91 Posted August 24, 2010 Report Share Posted August 24, 2010 Well hpa use k04 on there twin turbo I read Link to post Share on other sites
p0u1 14 Posted August 24, 2010 Author Report Share Posted August 24, 2010 yea i seen that too "HPA" i think two k03 should take you to the 300hp area and shouldn't see any problems as the turbos and engine wont be working to hard.what i do want though is power under 3000rpm and all the way to 7000rpm i dont want a huge amount of unusable power just something that feels almost un turboed and very fast lol Link to post Share on other sites
legvw 0 Posted August 24, 2010 Report Share Posted August 24, 2010 You'll get that sort of 'feel' once its been mapped. A good tuner can almost eleminate lag, so will feel progressive. Link to post Share on other sites
p0u1 14 Posted August 25, 2010 Author Report Share Posted August 25, 2010 well i just bought 2 k03 turbos off ebay off a audi s3 so i guese im gunna get started :-p Link to post Share on other sites
p0u1 14 Posted August 25, 2010 Author Report Share Posted August 25, 2010 well i just bought 2 k03 turbos off ebay off a audi s4 so i guese im gunna get started :-p Link to post Share on other sites
dman78 1 Posted August 25, 2010 Report Share Posted August 25, 2010 y didnt you get k04's Link to post Share on other sites
xyber 1 Posted August 25, 2010 Report Share Posted August 25, 2010 People can't wait to get them off S4's because they are iffy. Some go the distance, but alot fail after small undiagnosed boost leaks, causing them to over spin (throttle body boots, f-pipes and N75 valves are notorious for leaking) They seem to be fine on completely standard cars with 5-7k oil changes early on, but alot have lived on Audis retarded longlife service plan of 15k! The second you start tweaking they start failing, normally the first sign is a whistle/whine. Most people buy S4s with the intention of fitting KO4s fast but because it's an engine out job it's quite often left longer than you'd want before the swap. Once they start whining it's just a ticking bomb, some people last another few thousand miles, others pop in under a week.Also did you know they are left and right handed with different shape housings, designed to squeeze into the S4s bayGive them a really good check when they arrive for anything obvious2.7 v6 TT S4s also max out at around 320bhp on K03s and there are numerous different kinds all with small differences to fit particular applications.I'd sell them on and get K04s personally, sorry to be the bringer of bad news but KO4s are alot better Link to post Share on other sites
p0u1 14 Posted August 25, 2010 Author Report Share Posted August 25, 2010 well there meant to be in good working order, fully working but used, i got them for 97quid so i didnt think i done too bad there was only me and another guy who were bidding so the price didnt shoot up, tbh though this is just me trying to have a first go at making turbo manifolds and short runners and for me to want to get started i need two turbos Link to post Share on other sites
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