nurkvinny Posted September 22, 2004 Report Share Posted September 22, 2004 I am going to do this free mod to my boost bypass valve: http://www.mccgp.com/upgrades/boostbypassvalve/boost_bypass.php My question is - are there any downsides to this adjustment? Am I gaining a couple hp, but putting the engine/blower at any risk? TIA... Quote Link to comment Share on other sites More sharing options...
excell Posted September 22, 2004 Report Share Posted September 22, 2004 Don't, it's a waste. It can actually damage the bypass valve. It'll do nothing for you. smile.gif Quote Link to comment Share on other sites More sharing options...
excell Posted September 22, 2004 Report Share Posted September 22, 2004 P.S. "Free mods" generally don't do shit on these cars. But there are lots of "cheaper" mods that will do a LOT. Pulleys, intakes, PCM, exhaust work (no need to fuck with the catback - the downpipe and manifolds are the most restrictive), ect will get you a good gain. When you know what you are looking to do lemmie know, we can talk. smile.gif Quote Link to comment Share on other sites More sharing options...
nurkvinny Posted September 22, 2004 Author Report Share Posted September 22, 2004 Thanks for the honest reply smile.gif . I saw that link today on another forum, and 2 guys replied back that it helped their cars a lot, but both were also having low-boost issues to begin with. This is vehicle #5 in the stable, and is only going to be used as a daily commuter. Upgrades on worn-out parts that need replaced anyways and free/near-free mods will be the only things I do to it. On a side note... ever come across a SES light on a 98 GTP that has exactly ZERO trouble codes? Already checked the annoying gas cap issue. Plugs, wires, and fuel filter were just changed, and fuel pressure is A-OK. Car had SES light on when I bought it. Checked the codes... none. Cleared the light with a scan tool. Light stayed off for about 20 miles, then came back on. Still no codes. Quote Link to comment Share on other sites More sharing options...
excell Posted September 22, 2004 Report Share Posted September 22, 2004 Dude, these motors are ROCK SOLID. A few mods like a pulley, PCM, and intake will do no harm and will increase the driveability (and enjoyability) so much more. These cars respond VERY well to mods and a few basic ones like that will make you a very happy guy! I can't help diagnose an SES light without the car being in front of me. Can you bring the car to Westerville during the day (or evening)? I'll scan it with our Tech II, it'll tell me everything. I might be able to bring it out over the weekend also, but I have to get permission. Seriously, think about a few small mods. It'll make the car way more fun. smile.gif Quote Link to comment Share on other sites More sharing options...
excell Posted September 22, 2004 Report Share Posted September 22, 2004 P.S. You know the kind of power my car makes... it's on a 115k bone stock shortblock. Quote Link to comment Share on other sites More sharing options...
nurkvinny Posted September 22, 2004 Author Report Share Posted September 22, 2004 PM sent. Quote Link to comment Share on other sites More sharing options...
excell Posted September 22, 2004 Report Share Posted September 22, 2004 Originally posted by NurkVinny: PM sent. Edit: NM, I got it. smile.gif Quote Link to comment Share on other sites More sharing options...
Total Sign Posted September 23, 2004 Report Share Posted September 23, 2004 Originally posted by Obsequy Empire: P.S. You know the kind of power my car makes... it's on a 115k bone stock shortblock. Are you serious? Quote Link to comment Share on other sites More sharing options...
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