LegacyNC Posted July 31, 2010 Share Posted July 31, 2010 So I'm new to the subaru world. I have just purchased a 2006 legacy N/A. I'm looking to do the rallitek cylinder heads. I was wondering if you have to pull the motor to change them. Also is there any good tunes to add when I change the heads for more HP gains. Thanks for the advice. Link to comment Share on other sites More sharing options...
Pawlwawl06 Posted July 31, 2010 Share Posted July 31, 2010 After looking at a few How-tos on RS25.com, cylinder head replacement is much easier if the engine is pulled slightly up out of the engine bay, but I think I can recall someone doing it with the engine still in the bay. If you go over to NASIOC, there are a lot of N/A Impreza guys getting open source tuning done through a company in CT. There are also a few Legacys too. You just need a laptop and the cable to connect to your ECU. I have a set of new rallitek camshafts for the 06 - 09 I was going to install, but I'm not sure if I'll follow through, if you are interested. I don't have the money to do all of this right now. Link to comment Share on other sites More sharing options...
LegacyNC Posted July 31, 2010 Author Share Posted July 31, 2010 Thanks for the info. Do you know anything on the open source tunes. Link to comment Share on other sites More sharing options...
Pawlwawl06 Posted July 31, 2010 Share Posted July 31, 2010 It seems relatively simple, but there is a chance you could fry your ECU, for instance, if you have your laptop hooked up to the ECU loading a map and the laptop freezes, or if contains any malware, it could ruin your ECU. If I was to go that route, I would try to get a shop to work with the company. Here is the thread: http://forums.nasioc.com/forums/showthread.php?t=2017329 Link to comment Share on other sites More sharing options...
LegacyNC Posted July 31, 2010 Author Share Posted July 31, 2010 Thanks lots of good info. It helps with trying to get reliable power from my Ru. Link to comment Share on other sites More sharing options...
musty_hustla Posted August 2, 2010 Share Posted August 2, 2010 looks like there's some 3.6 in that NASIOC list Link to comment Share on other sites More sharing options...
GEE-OTTO Posted August 2, 2010 Share Posted August 2, 2010 Welcome! Since nobody bought those Rallitek Heads they moved them to clearance pricing which is good for you with the heads get the upgraded springs, retainers, seals. You will need to tune it very soon after install. You can pull the heads with the block in the car but it is 10x easier with is jacked up (unbolt the mounts) or out of the car. Link to comment Share on other sites More sharing options...
LegacyNC Posted August 2, 2010 Author Share Posted August 2, 2010 Thanks for the info on the heads. As for the tune do you have some advice for tuning, what tune to use. Thanks Link to comment Share on other sites More sharing options...
GEE-OTTO Posted August 3, 2010 Share Posted August 3, 2010 Thanks for the info on the heads. As for the tune do you have some advice for tuning, what tune to use. Thanks No off the shelf tune exists but you can easily take it to a good tuner/shop and they can road tune or dyno tune or both tune it fairly quickly. If you knew how to tune you could get a tactrix cable and RomRaider and do it yourself Link to comment Share on other sites More sharing options...
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