K04 boost pressure. It was a 1998 with an APR 91 octane chip.
K04 boost pressure. Usually lbs/min or CFM. In another pull maybe in colder or warmer weather, boost could be slightly higher or lower. Apr 28, 2022 · Step 2 K04 Turbo 1. Jul 7, 2004 · Out of curiousity, what is the max boost you can push on a k04 before its losing its efficiency? Feb 13, 2013 · i have a 2000 1. These improvements can be amplified with higher base pressures, however, tuning & recalibration is likely required. Is this safe? Should i put in a boost controller? Anyone know of known issues with a k04 sitting on an AXX engine? Do internals need to be changed? Sep 27, 2014 · Most of the J31 K04-15 (2000 A4) owners were pushing 25-30psi, the K04-15 tends to do best at 25psi. A comparison of some performance characteristics of the BorgWarner K03 turbochargers versus BorgWarner K04 turbochargers on my Audi B5 S4. No matter what, after 20psi the K04-15 really can't hold that boost to redline so the boost tapers in the upper rpm. Sep 9, 2023 · Seeing several trouble codes for fueling and boost (and one for O2 sensor) - scan and log run results included below. Mass air flow rate (x-axis) The mass of air flowing through the intake/compressor over time. May 6, 2011 · The K04 can boost that high with 60% WG duty (and according to the AFR one chooses to run at peak boost), and it can boost even higher if you wanna push it to the limit (not recommended). Regardless the tune, the fix is to adjust the waste-gate cracking pressure May 13, 2015 · So i bought the jetta with a blown k03s. Mar 7, 2022 · Even the fault code description it refers to G31 as Manifold Pressure / Boost Pressure Sensor ! Just different names for the same component - Mercedes will call it a Charge Pressure Sensor - Manifold Absolute Pressure Sensor (MAP) I have: Replaced G31 sensor Replaced G31 harness Run new wire for G31 5V line and Output line Replaced upstream O2 The turbocharger shall equal or exceed the performance of the BorgWarner RS4 K04. 8t manual which was an atw engine managment converted to wideband awm . Aug 12, 2011 · Regardless the tune, the fix is to adjust the waste-gate cracking pressure. So i did and since then its drove awesome when just going back and forth to work. 8TQM. Can you define 'a lot of flutter'? Not sure that jumping into a new turbo and installing a BOV will solve the smoking issue if there is already an oil leak and the source of the smoke - oil or antifreeze - is not defined. Remove the actuator rod clip. Just (finally) got VCDS for better diagnostics, and have been working on getting up to speed on the interface and scouring the various forums for similar issues. Don't worry about the low dyno figure as it is common for a DynoDynamics unit. so i install stock ecu and i get 15-20psi spike and hold 10-11 but after 5500rpm the boost goes low-high-low Feb 13, 2013 · i have a 2000 1. Surge line The left hand boundary of the map, where the air flow is too low for the current pressure ratio. so i recently installed a "aftermarket" k04 with a chipped ecu and it will boost 31-35psi and hold. This is on an E54 tune. Maybe even before the switch, but I didn't have vcds or a boost gauge at the time so, idk. We Aug 12, 2011 · I started out having under-boost from 2000rpm to 3000rpm when I switched from AWE/GIAC K04 remap to GIAC's High-Output remap. Sep 25, 2022 · The K04 boost pressure relief valve will 'flutter' during operation to prevent boost over pressure during throttle let-off. But when i attempt to go any type of fast my boost spikes to 14 and drops to 5. The turbocharger wastegate actuator should be capable of maintaining maximum boost pressure at redline without exceeding 80% duty cycle of the N75 boost control valve. Sounds like an n75 right Jun 15, 2020 · What is the max boost you can get out of the K04? I've got the 7163 off and everything back to stock but I never ran an actual boost gauge prior to the EFR. Aug 27, 2016 · Pressure ratio (y-axis) The absolute outlet pressure divided by the absolute inlet pressure. 8T Analysis – Pressure Ratios & Flow Rates Again, using the data from the 1. May 6, 2011 · Just installed my k04 two days ago, did a tune and i'm running on 2. 8T big turbo analysis we get the following air flow and pressure ratio numbers for the following boost targets (when we bolt our VE and boost target data into the turbo size calculator). Apr 2, 2014 · 2. May 6, 2011 · a boost contest. Aug 12, 2011 · I started out having under-boost from 2000rpm to 3000rpm when I switched from AWE/GIAC K04 remap to GIAC's High-Output remap. Precision manufactured of premium materials, it provides better turbo response and greater sensitivity when managing boost pressures. You can expect 375-385 HP if there is enough fuel (hpfp). 7T V6 Discussion - Recorded 2. You can attach a boost pressure or a 1 bar pressure gauge to the actuator using vac lines with a 'T' in it. You asked for a split second and i showed you 5 !!! Jul 22, 2001 · A4 (B5 Platform) Discussion - Whats the Boost Pressure for a K04 or a Garret Turbo? and whats the max on a K03? - My KO3 boosts at 15 PSI what about everyone else?? Mar 21, 2009 · Anyone know how much the K04 turbo from the Audi S3 (265hp)/ Golf V Edition 30 (230hp) can handle before bursting ? I know that if you push it, it might last as long as most of us in bed But what's the limit before disaster? Upgrading with the same base pressure as the factory, you can expect a broader boost & torque curve through peak boost being achieved earlier in the RPM and being held longer into higher RPM. It is better to get the results from ignition and normal (20-21 psi) boost pressure. Features Proprietary Silicon Nomex Jun 1, 2006 · K04 - All you need to know Questions about Turbo kits keep coming, and since I have couple of years of experience with this unit I thought it would be a good idea to create a little write up (as I haven't done one in years). The turbocharger wastegate actuator should modulate boost during partial throttle driving Nov 5, 2008 · Here are a few things to check: 16618/P0234/000564 - Boost Pressure Regulation: Limit Exceeded (Overboost Condition) Possible Symptoms * Boost pressure too high * Reduced power output Possible Causes * Hoses incorrect connected, disconnected, blocked or leaking * Malfunction N75 Possible Solutions * Check charge pressure control * Check Solenoid Valve for Boost Pressure Control (N75) Oct 1, 2005 · Re: k04 apr tuned what boost are u getting purple lines = stage 1+ red lines = stage 1+ with DSMIC blue lines = k04 with DSMIC The dotted blue line is the HP created by the boost being made by the K04 which you can see goes all the way to redline. . 85 bar (~27psi) only not for a very long time. This takes a few cracks at it unless you get lucky the 1st time. It was a 1998 with an APR 91 octane chip. Oct 22, 2003 · The K04 will do 1. NOTE: Keep in mind that this thread is related to B5s only. Our Wastegate Actuator delivers consistent, optimal boost pressure for your vehicle. Apr 1, 2002 · The K04 units that we use in the VWs are usually going up to 20-21, the holding 15-16 to redline. so i install stock ecu and i get 15-20psi spike and hold 10-11 but after 5500rpm the boost goes low-high-low The ELEVATE Volvo C30 T5 K04 Wastegate Actuator helps your turbo produce more boost earlier in the RPM, improving midrange torque. With a tune yes, you aren’t gonna make a lot more power cause the stock K04 is so small and it really loses its efficiency past about 20psi but you can definitely run more boost, I’d suggest an intake HPFP and downpipe tho if you actually want to make more power. 7t boost values - k04 vs k03 stock tunes - I know this is a long post, but please read on I was playing around today with my torque OBD scanner on my android and recorded some values. Some have valve lift but there are new valves you can replace with and there is a guide on here how to check if you have the weaker valve springs. Regardless the tune, the fix is to adjust the waste-gate cracking pressure Jan 7, 2011 · The OEM k04 turbocharger features a turbo muffler designed to reduce turbocharger sound in the cabin that also creates a restriction in the boost pressure delivery stream. Blow off valves or Bypass valves are often used to relieve excess pressure to Jan 10, 2009 · Re: Boost Pressure with K04 and Neuspeed Chip (20vMatt) I had a cheap boost controller come loose on my previous A41. May 23, 2004 · Those of you running a K04, how much boost are you peaking and how much are you holding? Please specify which engine you have and which chip you have as well (and if you have other mods such as 360cc injectors and 3" MAF) and please specify which N75 valve you are running. 0bars. DIC says 23psi as it always did but my mechanical boost gauge never sees more than 20psi. Figured go why not replace with the k04 that is a direct bolt on. Aug 5, 2015 · And to answer your question yes the TSI motor can handle the boost of a k04. People saying that you are overboosting are thinking in terms of these numbers, but it's a different turbo. My setup runs that boost with 3-4 degrees of timing, so air temperature is not an issue. ewkywhzah3ixdobbiqhwpxlghpk6qqju9tupukyyu