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02-07-2013, 09:39 PM | #1 |
Scooby Specialist
Member#: 242647
Join Date: Mar 2010
Chapter/Region:
NWIC
Location: Lacey, WA
Vehicle:04 PSM |
Name this noise (freshly built 04 STI)
Alright so this is another game of "Name that Noise" Finally got the car started last night at about 0100 everything is going fine so far maybe I'm just a little over reactive still. I've sent this video to my builder/tuner as well just looking for some more input while he tries to look into it. He does not think it sounds to abnormal.
-settings- Coolant temp ~130 Oil temp~ just under normal operating temp (my gauge is not hooked up yet) Oil pressure~ 30-35psi fuel pressure~ 50psi RPM range ~1k-2500 all gears but the video is in first It's a pretty subtle noise, but to me it almost sounds like a metallic click you can hear my massive injectors "clicking" as well but this sounds a little different. At about second 23 it is the most predominant. I by no means consider myself a subie god but I'm also not a idiot the motor has about 150miles on it now it was built from a very reputable shop here in the PNW (pacific import auto) Mike and myself built the motor in the shop with him over seeing all of the work as I did it. Kind of a "teach you how to build" I'm using non-synthetic 5w50 oil. I've already changed it out once and the filter was immaculate. Also running a break-in additive as well. Just looking for another opinion is all thanks! I believe I've included all info but ask away! Motor specs to follow Darton sleeved EJ257 bored to 100.5mm CP 100.5mm pistons Manley Trubo Tuff "I" beams OEM forged heat treated crank Clevit main and rod bearings A1 Technologies H11 Head Studs Fluidampr crank pully GSC S2's 272 cams GSC behive springs and retainers OEM intake and exhaust valves blueprinted 11mm Sti oil pump balanced rotating asseymbly rotated STI manifold with A/C delete Gates racing timing belt and water pump Turbo XS FMIC TGV deletes Mishimoto race radiator Mishimoto 170 degree thermostat Aeromotive fuel rails with custom steel braided lines all -6 AN fittings FIC 2150cc top feed High-z injectors Walbro E85 400lph in tank pump AEM fuel pressure regulator Garrett GTX3582 w/ TIAL .82ar exhaust housing TIAL 38mm EWG dumping to atmosphere V-band rotated up-pipe V-band rotated down-pipe HKS titanium axle back Race Ready electronic exhaust cutout welded into downpipe Killer B oil pickup Killer B oil windage tray killer B oil pan Crawford V2 A/O seporator
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02-09-2013, 10:12 AM | #2 |
Scooby Newbie
Member#: 203327
Join Date: Feb 2009
Location: Mount Holly, NJ
Vehicle:2002 WRX Silver |
Sounds like piston slap.
Have you driven it around yet? I figured out after making an ass out of myself asking a bunch of noob questions that a built motor with quality forged components takes more time than your average cast parts. Drive it around (if you can) and put some load on the engine. One its at a normal operating temp then see if the noise persists. Don't bust your car's ass if you don't have a stable break in tune!!!! |
02-09-2013, 10:17 AM | #3 |
Scooby Newbie
Member#: 203327
Join Date: Feb 2009
Location: Mount Holly, NJ
Vehicle:2002 WRX Silver |
Check for boost/exhaust leaks. My car is running like doo doo because of that too. Those electronic pipes that let you open up your exhaust at the down pipe or whatever they do (make your car louder) leak really bad. Also, if you have a VTA type BOV ditch it and go full recirculating.
EDIT: I didn't want to post this since you already have rails/fpr but my 2008 has the dreaded stumble issue. Have your tuner dial in your rails/fpr or add 3' of fuel line after the OEM fpr to remedy the fueling issue. These are some of the issues I've had so I'd rather pass it off for gee wiz info over you guessing if you come across it. You got a nice build going though. How do you like the flipped manifold? Pics? |
02-09-2013, 11:27 AM | #4 |
Scooby Newbie
Member#: 167103
Join Date: Dec 2007
Location: Oklahoma City
Vehicle:2007 STi URBAN GREY METALLIC |
Piston slap. Go drive the thing. Don't worry about it. Mine sounds the exact same.
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02-09-2013, 11:24 PM | #5 | |||
Scooby Specialist
Member#: 242647
Join Date: Mar 2010
Chapter/Region:
NWIC
Location: Lacey, WA
Vehicle:04 PSM |
Quote:
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02-09-2013, 11:38 PM | #6 |
Scooby Newbie
Member#: 203327
Join Date: Feb 2009
Location: Mount Holly, NJ
Vehicle:2002 WRX Silver |
I can't wait to flip the manifold. But its going to have to wait since I want to make the jump to a cosworth. Might wait till next year during winter to yank my OEM intake mani and sell it then buy the cosworth.
Process West has a new manifold out but it doesn't have the sensor lines like cosworth has. Thanks for the pics. Give me some ideas. Don't fret either. I was wigging out about the noise too. Once I get home I'll post the YouTube video I took of mine so you can compare the sounds. Edit: https://www.youtube.com/watch?v=fR8J...e_gdata_player |
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