The Return of Tubby Z28

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Originally Posted by harner

@Ltconvert 's car was straight up scary on the dyno. That 500rwhp number is BS. It sounds menacing and is VIOLENT to say the least. I thought it was going to rip the dyno out of the floor haha. I'd love to see what it would trap at the strip.
@Tubby Z28 - was great to see your car in action after all the crap you've gone through to get it where it needs to be. Something to be proud of. Same goes for Weston. To have very similar builds and be done at the same time, within 10rwhp of each other, says a lot for your mechanical skills and the parts/vendors you used. Keep up the competition and keep it fun.

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Well said

Im not only an LTXtech member... Im also the Owner.

no further progress on car this past week. I have some passenger side o2 sensor issues to investigate, need a radiator (one tank looks bulged and has cracks, thank God it didn't blow on drive home from dyno day), car needs a windshield, tires for my wheels (the ss wheels are bald loaners), work few more bugs out and inspection. car isn't ready for ocean city anyway, and I can't afford the hotel so that's out too.

just happy I made dyno day and didn't blow up at this point. the past 3 months have been endlessly spent on this car, I just need a short little break from it right now, not more stress and frustration. atleast it looks cool parked here

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replaced o2. mv started off matching left bank at 9xx mv then suddenly dropped to 124ish, stayed there until closed loop, closed loop moving around proper, but ltft still walks to 147ish on right bank. at a loss. at this point now.https://uploads.tapatalk-cdn.com/201...eacd585b91.jpg

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Dalph. " I must break you"!

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Originally Posted by Tubby Z28

replaced o2. mv started off matching left bank at 9xx mv then suddenly dropped to 124ish, stayed there until closed loop, closed loop moving around proper, but ltft still walks to 147ish on right bank. at a loss. at this point now.https://uploads.tapatalk-cdn.com/201...eacd585b91.jpg

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Are those the AC Delco's or the wide band.? Mine start at .093 B1 and B2 .129 then go back and forth matching then not but I know mine are fracked and injectors as well. Im going to have wait on performance upgrades for a while.

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Originally Posted by Stormyweather

Are those the AC Delco's or the wide band.? Mine start at .093 B1 and B2 .129 then go back and forth matching then not but I know mine are fracked and injectors as well. Im going to have wait on performance upgrades for a while.

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Bosch, denso, etc. right bank always. when I bought the car bone stock the right bank threw a code, I think the wiring is suspect from pcm to o2

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Yeah you changed everything I thought.

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Originally Posted by Stormyweather

Yeah you changed everything I thought.

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yeah, everything except pcm and engine harness....

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The o2's that I provided with the LT's are NTK. They were brand new when installed, but my car could have skunked them with how poor the tune was for a short period of time.

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Originally Posted by harner

The o2's that I provided with the LT's are NTK. They were brand new when installed, but my car could have skunked them with how poor the tune was for a short period of time.

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they were replaced after first start

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