mtcookson Posted February 7, 2008 Share Posted February 7, 2008 The best blow off valve (and wastegates) I've found yet: http://www.nipponpower.com/product.phtml?p=1057&i=1&mmk= http://www.synapseengineering.com/ http://www.youtube.com/profile_videos?user=synaptic1 Quote Link to comment Share on other sites More sharing options...
Evan Purple240zt Posted March 3, 2008 Author Share Posted March 3, 2008 I ended up getting a forge-motorsports unit with the spring tuning kit (must have IMO). It works great! I would buy again for 156 with the spring kit on amazon from horsepower freaks. Evan Quote Link to comment Share on other sites More sharing options...
Evan Purple240zt Posted March 3, 2008 Author Share Posted March 3, 2008 Freaking double posts.... Quote Link to comment Share on other sites More sharing options...
Guest asleepz Posted March 9, 2008 Share Posted March 9, 2008 I've got a TurboXS H34 and I love mine, really fast and not too loud. Quote Link to comment Share on other sites More sharing options...
Evan Purple240zt Posted March 9, 2008 Author Share Posted March 9, 2008 I had a very leaky turbo XS before this one. Granted it was old. IMO, the forge motorsports unit is the way to go for the price if your not in it for the sound or the bling factor. Evan Quote Link to comment Share on other sites More sharing options...
Guest asleepz Posted March 11, 2008 Share Posted March 11, 2008 Mine was wierd to setup. I'd get it set to where it wouldn't leak but then it sounded like all the pressure didn't come out at once but would let out, build up, then let out again. Quote Link to comment Share on other sites More sharing options...
Lazeum Posted March 11, 2008 Share Posted March 11, 2008 I've tried 3 different blow off/dump valves with my daily driver (Mitsu Lancer Evolution) I've got the stock plastic one. Good drivability, no noise, hold boost up to 19 psi, no adjustments, very few part throttle fluttering, 100% recirc. Good piece but as soon as you mod your car, it leaks => loss of power. Then the Forge RS, huge piston (50mm), hold boost up to +25psi (I've never been higher but can do way more, up to 35psi for some people), some noise but nothing crazy, poor drivability (the car was not smooth), a lot of fluttering at part throttle whatever was the adjustment, 100% recirc. It gives very good results for people who race their car Mine was anodized black with FORGE lettering in raw aluminum color http://www.forgemotorsport.com/content.asp?inc=product&cat=0006&product=FMDVRSR I have now an APS 2/3 recirc, 1/3 VTA. Hold boost very well (25psi easy), adjustable (you can play with the ratio recirc./VTA), can be loud at +15psi with a Psiiiiit (with snow on the hood grid, I see the snow jumping on my windshield when the bov evacuates air), drivability is awesome (better than the stock plastic unit). People were scared to use it to substitute the stock 100% recirc with the APS unit because of rich mixture during gear change but it shows that it does not. http://www.airpowersystems.com/us_spec/evo/bov/blow.htm Best Bov for Evos are APS, Forge (racing only), stock Evo MR metal Bov ($80 at Mitsu dealer) and Tial. Now for L28et and other turbo engine, I don't know how to compare if there's less boost, it might be different. Quote Link to comment Share on other sites More sharing options...
Evan Purple240zt Posted March 11, 2008 Author Share Posted March 11, 2008 As far as I am concerned, your experience is just as vaild as any others have had. Thanks for chiming in. Mine is on an RB25DET btw. Evan Quote Link to comment Share on other sites More sharing options...
TONY C Posted March 11, 2008 Share Posted March 11, 2008 The way I see it is. Rebuilding a motor or a turbo is not inexpensive. The 2 main parts that keep the turbo alive and the engine from poping are the BOV and the WG. Why skimp on these parts? It's only a couple hundred more combined, at most, for the real thing. And the piece of mind knowing that they will work correctly Every Time is worth WAyyyy more than a couple hundred. Would you buy a new Garrett GTS whatever and run a $6 flea bay manual boost controller. Hell no! Don't chance it. Get the real thing. You will not find 1 single person that has anything bad to say about the performance of their Tial BOV or WG. Quote Link to comment Share on other sites More sharing options...
Evan Purple240zt Posted March 11, 2008 Author Share Posted March 11, 2008 Mine was wierd to setup. I'd get it set to where it wouldn't leak but then it sounded like all the pressure didn't come out at once but would let out, build up, then let out again. So you said you loved it, then posted it was difficult to setup and didn't work quite right? Sounds like a turbo XS unit to me! Quote Link to comment Share on other sites More sharing options...
Guest asleepz Posted March 13, 2008 Share Posted March 13, 2008 So you said you loved it, then posted it was difficult to setup and didn't work quite right? Sounds like a turbo XS unit to me! Yep, because after I did get it all sorted out I do love it. What's the problem? Quote Link to comment Share on other sites More sharing options...
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