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Confirmed we found the culprit. It's not fuel or anything with the tune. The lowered springs are causing the aftermarket downpipe and exhaust to rattle around. My downpipe hits the upper control arm and the magnaflows are hitting the floor pans. Especially when I have people in the car...

I’m in the Midwest. Right now it’s perfect for turbos. Cool air and no humidity. I was spooling real good today. But snow and salt coming soon. I might take the time now to repair my ac and convert to 134a. Then save over winter and maybe do ceramic coating.

It was less than 2 deg at shift. I think I know what’s going on. Getting to the end of the driving season here so I’ll worry about it later Did about 175 miles today. Ran great. That LT1 MAF and translator I put in is a noticeable improvement

I’ve been working on my house the last couple months and haven’t had time for the car. So, today, I took her out and changed the oil with rotella t4 15w-40, just want to try this oil. I ripped it and like close to zero KR. I really think my kR is the exhaust rattling. It really only happens...

This is very helpful. Like I said, I think that the KR I have is a result of things rattling around. it doesn't matter if I lean or richen my WOT settings either. I've done everything I can afford to do with mechanicals/electric. I remember someone at one time recommending this brace. I'll...

It is. Motor mounts are brand new. Every bushing on the car is replaced too. I mean the car is very stiff.

I think I may know what is happening. It's nothing to do with fuel/tune/etc but I'm pretty sure my downpipe is hitting my control arm or the crossover pipe is rattling under the car when I boost it. I have a lowered hotchkins lit. When I have passengers in the car you can hear it rattle more...

I done everything on your list with the exception of messing with timing. My wideband was reading about 11. FP rises 1:1. I've got no vacuum leaks, plugs look fine, etc. I'll keep poking around with it.

I have no idea what I’m dealing with now. I put an LT1 MAF in this thing, running straight 93 with boostane and I got some bad KR last night. Here’s the thing, when I’m alone in the car, I can boost it up to 18psi with .2 kr at shift. Last night I had four people in the car and I was kinda...

Hooked up the new lt1 MAF and translator. Easy. Just need to find a better mount point and hide the wiring better. Reset the ECU and Car started right up with MAL code 23. Don’t forget to plug back in your ats…. Anyway, went out after it warmed up. I’m staying stays right at 128 Blms at...

Nevermind. Following this article, which is basically the same as what was in the box but a bit more clarification for me. https://www.vortexbuicks-etc.com/Translator.html

Got my LT1 3" and MAF translator today. If I knew they had more settings than just the dip switches, I would have bought one a long time ago. I get the dip settings for TT chips, On, On, On, Off, but I'm assuming I should set the base to LT1 3" with no idle change and 0 at the WOT switch? Then...

Oh wow. Ok, didn’t know that. I haven’t ordered from them in a while. Good to know. Thanks for all the help everyone, love this forum.

Kinda realizing that. Just didn't have the $400 to invest for a while. I'll order an LT1 MAF and translator this week. Kirban's the best place?

I set it to 43psi line off per instructions on this forum. Eric actually recommended 38 psi line off if I was having issues with a rich condition. He wasn’t exactly sure what the specifics were with this chip as it was purchased as a kit from cottons. MAF was at about 6 gr warmed up. Kinda...

I’ve spoken to Eric. I’m going to send the chip to him when I get a chance to do so. I think the EXACT combo is with the old, stock, fpr. Stock MAF, BLM at 122 at idle hot, I have a denso to throw on, psi at 16 right now. I think you hit the nail on the head. Bad gas. Or, go back to the...

Well I thought I had them at .030 but they are set to .025. Plugs are nice and tan. I remember doing this now. Foggy because of beer involved. Lowered the Wot to 118 on the sm. I’m at like 2 degree KR 770mV wot but if I’m not Wot it’s still rich in the 800s. Like 3/4 throttle in 2nd. I...

Will do. I was wanting to try .025.

Yes. I’m going to lower down some more. Plugs look fine gapped at .30. NGK UR5.

Anything is possible. I have a can of boostane I’m going to try once I get through this tank. My mechanic buddy hears a tiny bit of lifter noise but says it’s nothing to be worried about. Maybe I’m over sensitive on that. I’ll update this soon.