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TTT

Looking for a TA49 or similar turbo to replace my stock unit. I am pretty sure my bearing are out in my stock turbo. I have 3/32 in and out shaft play and have a bad smoking issue. I have narrow it down to the turbo and beside the give me and I have been wanting to upgrade the turbo anyway.

The latest findings. I pulled the exhaust side and it was sooty but oily. It did look wet when I looked past the turbine wheel on the exhaust side. I pulled the oil return line and it look good, no blockage. I tried to measure the in/out shaft play and the best I can tell is it is 3/32 to 1/18"...

The breather is blocked going to the turbo and replaced with a breather on the valve cover. Still has the oil filler on the driver side. I replace the PCV valve with PCV1138DL, the one recommended by Eric from TT. I also tried running with out a PCV and blocking the line and it still smoked. I...

I think I foud my smoking issues - I did some various testing and here are the results. I tried a new PCV with the same result, I then bypassed the PCV to make sure I was not pulling oil up through it into the TB, I git the same smoking result with the PCV removed so I replaced it. I pluued the...

I thought there was a local midwest guy that also specialized in GN trans.

So I guess I need to start saving for a tranny rebuild. I will run it until it goes. What does a typical rebuild run and can some recommend a good transmission guy in the Wisconsin area

Thanks for the knowledge dump. This information is much appreciated. I have noticed the stock setup gets flat on the upper RPM. I have the valve springs on the way along with a new timing chain. I won’t be able to do all the mods at the same time. I am planning on doing this in a phased step...

I am close to max on the stock turbo. I am running 23 to 24 lbs and i don't think there is much left. so it sounds like I will need to upgrade the converter with the turbo even if i stay with a TE44 / TA49. The transmission seems to be ok. It seems like it has a shift kit form the way it acts...

I am looking for some Turbo advice. My current setup is 87 GN with a stock turbo, IC, free flowing exhaust, DW 300 pump, hot wire ,adjustable fp reg, scanmaster 2.1., 80 lb injectors E85 TT Chip, LT1 MAF, Translator, Powerlogger, AEM WB I will be adding a downpipe -not sure which one so If...

I enjoyed following this as I am also looking to turn up the wick.I have done research and experimenting with plug reading. The question that I have is how do you adjust your leanest cylinder and even out air flow?? I have my AFR pretty good on E85 Eric TT chip. it runs good when the boost...

To my knowledge the engine has not been open up. Mileage is 55K (If that is legit and I don't have a reason to believe that it is not) . There is not a power plate. I just replaced the with a new aluminum one to accommodate the addition of vacuum brakes and it did seem oily by the vac. block...

Hoping for help diagnosing some issues with my car smoking. It only seems to happen when deaccelerating. I noticed that it coincides with when my vacuum is above 20 for more than 5 seconds. It smells of oil so I don’t think it a head gasket. The oil on the stick looks ok. I also checked the...

I had a small fender-bender when someone pulled in front of at an intersection. it was not too bad but I need the front bumper reinforcement. I prefer the aluminum part #25523558. Is there a vendor that carries them. or possible the alternate brackets Parts #25517838 and 25517839

I am have trouble searching the turbobuick site. I get the following error message "The search could not be completed. Please try again later." is it something i am doing wrong

Attached is another run where I stayed in it a bit longer. It does show some knock, but ii wonder if it is false knock.

If I keep mu foot in it while it is cutting out, it keeps getting worse and i will even see some knock. When I lift a little 80% WOT it comes back.( I have another run where this is display, I will attach that when I get home). Could the knock be false knock?

UPDATE: I have purchased and installed a PL and am still learning. NO WB installed yet but soon, I did a couple of runs minus the WB. I am still having issues with the car falling flat. I have got an issue that I hope you can help me diagnose. Currently I have 80lb injectors and a Walbro 255lph...

Time for me to get a WB i guess. That might be what I need to get to the bottom of my issues - what are the recommendations for brands. Also what is needed to log duty cycle?

i originally thought it was fuel related. I upgraded the pump from a walbro 255 to a dw 301, upgraded the return line. it seems to be rich at idle but lean when the boost come up fast. I still need to check the can sensor. I will get it up on a rack and see if I can find a kinked line or...