AlecW81 Posted April 17, 2011 Report Share Posted April 17, 2011 The turbo on my 98 GLT is dying. It didn't have any shaft play aprox. 1k miles ago when I last checked, but I can hear a metallic scrape from the passenger side when I hit boost with the windows down. I've got 244,xxx miles on it, and it's the original turbo, so I figure even if it's possible to rebuild, it's had a good long life. With that in mind, I'd rather upgrade then simply get another 13. Since I'm also looking at getting an exhaust built by a local shop, I'm thinking I may as well get an S60R manifold since I'll be "in the neighborhood". So looking on Ebay, I see S60R Manifold's with Turbo as a pair from Erie VoVo. Is there any reason I couldn't pick that up, take it to the exhaust shop, have them mount the mani and turbo and exhaust all at once? I assume the flange is conical or at least angled as opposed to the straight flange on the 98GLT, but that shouldn't matter since I'm getting a custom DP right? Also, I know that legally, I need to have a cat in the exhaust, but would I pass a tailpipe sniffer test if I ran without one? Obviously I'd have to have a dummy rear o2 and the appropriate ECU hack. Thanks in advance for the advice, and yes, I know this all goes against my statement that I wasn't looking to make this car fast, especially with the slushbox tranny. Link to comment Share on other sites More sharing options...
JVC Posted April 17, 2011 Report Share Posted April 17, 2011 The turbo on my 98 GLT is dying. It didn't have any shaft play aprox. 1k miles ago when I last checked, but I can hear a metallic scrape from the passenger side when I hit boost with the windows down. I've got 244,xxx miles on it, and it's the original turbo, so I figure even if it's possible to rebuild, it's had a good long life. With that in mind, I'd rather upgrade then simply get another 13. Since I'm also looking at getting an exhaust built by a local shop, I'm thinking I may as well get an S60R manifold since I'll be "in the neighborhood". So looking on Ebay, I see S60R Manifold's with Turbo as a pair from Erie VoVo. Is there any reason I couldn't pick that up, take it to the exhaust shop, have them mount the mani and turbo and exhaust all at once? I assume the flange is conical or at least angled as opposed to the straight flange on the 98GLT, but that shouldn't matter since I'm getting a custom DP right? Also, I know that legally, I need to have a cat in the exhaust, but would I pass a tailpipe sniffer test if I ran without one? Obviously I'd have to have a dummy rear o2 and the appropriate ECU hack. Thanks in advance for the advice, and yes, I know this all goes against my statement that I wasn't looking to make this car fast, especially with the slushbox tranny. It's totally do-able. Joe is running a k24 on a LPT block with Turbo Tuner and it's fast. If you did a custom DP and you'd probably have to do some custom lines or something, but it's all been done before so there should be no problem doing it... the tune is the most important thing and the only real tune for a k24 on lpt is Joes (550) on Turbo Tuner so you'd also have to get Turbo Tuner to be able to borrow that tune. Link to comment Share on other sites More sharing options...
AlecW81 Posted April 17, 2011 Author Report Share Posted April 17, 2011 Custom lines meaning coolant and oil feed/return? Would it require a different OTE pipe? Or just a different coupler (i.e. an elbow of some degree instead of the straight coupler)? Would there be any real issues with simply running stock boost, timing, fuel and the K24? Not permanently of course, but until I decide on a tuning option (stand-alone, TT, or other). I'm still curious as to why I've never seen anyone using the simple combo of an EGT gauge, wideband o2, MBC, and SAFC. Is the ECU just completely incompatible with piggy-back devices like the SAFC? If it's that much work right off the bat, I'd likely just get the S60R Mani, 15G or 16T, and a T5 ECU. Link to comment Share on other sites More sharing options...
T5wagon1717 Posted April 18, 2011 Report Share Posted April 18, 2011 That turbo is a lot bigger than the 13t. It's bigger than the 16t which is the normal upgrade. With your miles, and if you want to keep it safe and cheap.... Get a 16t White injectors R or japanifold Exhaust, and a 15psi tune. It'll rip. Link to comment Share on other sites More sharing options...
Gideon35T Posted April 18, 2011 Report Share Posted April 18, 2011 its gonna be a custom tune or bust for ya buddy, sorry and pretty much no1 will offer you a tune (i went down this road a year or so ago) - It's just alot more cfm's and lpt motors have a higher compression ratio - gotta be TT or standalone - or luck , lol as for temporarily running a stock tune ... well , if u can prevent boost creep you'd prolly be ok for a bit - but the 1st time you romped on it that would be the end ... there's been a few running safc successfully but the "simple combo of an EGT gauge, wideband o2, MBC, and SAFC" is NOT a replacement for a tune really you need to decide what your goals are and how much you wanna spend - then we can help you make the combination that will achieve your goals :-) Link to comment Share on other sites More sharing options...
AlecW81 Posted April 19, 2011 Author Report Share Posted April 19, 2011 For my purposes a 15G or 16T should be fine. I'm thinking mani, "new" turbo, 3" turbo back with hi-flo cat, injectors and a T5 ecu. Would I need a T5 TCU as well? Link to comment Share on other sites More sharing options...
Gideon35T Posted April 19, 2011 Report Share Posted April 19, 2011 skip the injectors and get either a members pretuned ecu or just get a speeedtuning 15psi tune - mani prolly wont do a whole lot with only a 16t but it def wont hurt add a mbc if u wanna play a little bit Link to comment Share on other sites More sharing options...
Gideon35T Posted April 20, 2011 Report Share Posted April 20, 2011 skip the "pretuned ecu" stated above - cant on your car Link to comment Share on other sites More sharing options...
Big Will Posted April 24, 2011 Report Share Posted April 24, 2011 skip the "pretuned ecu" stated above - cant on your car Huh? He's got a '98. Some misinformation here and some other things are just one person's preference vs. another's. The R manifold helps to keep temperatures down in the engine bay and you'll probably notice a small shift in the powerband. On it's own it doesn't make a big difference, but it is a piece of of the package for sure. Doing a full exhaust with an R manifold you may want to consider a custom tune to take full advantage of the better breathing - maybe not necessary depending on how much power you are trying to ring out of your car, it's entirely a choice based on your goals. A T5 ECU is a good option if you are upgrading to a 15G/16T and white injectors. It's not perfectly optimized for the LPT engine, but plenty of us have run a T5 ECU either temporarily or for the duration and it definitely livens up the car without sacrificing gas mileage. Using this ECU is great if you just want to get your car's power up to that of a T5, albeit with a slightly different power characteristic. Link to comment Share on other sites More sharing options...
lookforjoe Posted April 24, 2011 Report Share Posted April 24, 2011 As Will said, 15g/16T with a T5 ECU will bring the power up very nicely. The greater displacement LPT makes it nice when you're off boost. For tunes, if you do go with the K24, '98's have a range of options - WothRline has a nice K24/greens tune, if you don't want to go TT. Link to comment Share on other sites More sharing options...
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