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PostForum: GM Performance Forum   Posted: Sun Apr 12, 2020 12:50 pm   Subject: 2015 Tahoe - 6L80E to 8L90E conversion

I have three 15-19 Yukons in my work fleet and every one of them ate the torque converter.
PostForum: GM Performance Forum   Posted: Sun Apr 12, 2020 12:45 pm   Subject: TPI ON VORTEC 383 97 2 DOOR TAHOE

I am curious as to drive-ability. The TPI motors always got a bad rap because they run out of air above 4000 RPM. My L31 and even my L92 never get above 4K for long. Most of the driving is done bet ...
PostForum: Side Garage   Posted: Thu Jul 11, 2019 7:13 am   Subject: Rock Auto - Automated Customer Service

I use They are a dealer in Vegas. They have a pretty decent website and I can verify by VIN. What I will do is put my cart together, estimate shipping to my local Chevy Dealer Zip ...
PostForum: GM Performance Forum   Posted: Mon Oct 30, 2017 8:10 am   Subject: Dead truck

Speeder, Check the voltage drop on your negative battery cable. While yours is the GMT800 platform I have had to replace every single negative battery cable on all the GMT900' I have dealt with. I h ...
PostForum: Side Garage   Posted: Mon Oct 30, 2017 8:05 am   Subject: 2017 - who is still here?

PostForum: Side Garage   Posted: Mon Oct 02, 2017 8:07 am   Subject: New Coolant Temperatures - Race to the Top?

Oh and dont forget the increased oil change intervals. That "annual oil change"....... I think the engine replacement business must be booming..
PostForum: GM Performance Forum   Posted: Thu Sep 07, 2017 12:38 pm   Subject: 99 Yukon L31 rebuild?

Cant beat GM's pricing on crate motors. I just replaced the engine in my 1998 farm truck after 308K miles and a bad head gasket. Got a GM crate L31 Long block with GM 3yr warranty for $2,019 shipped ...
PostForum: Side Garage   Posted: Thu Sep 07, 2017 12:32 pm   Subject: 6, 8, 10 speed Standalone

I am patiently waiting for GMPP to offer a standalone transmission controller that interfaces with a gen 3 ECM for the newer transmissions. I would love to do an LS swap and be able to use a 8 speed ...
PostForum: Side Garage   Posted: Thu Sep 07, 2017 12:22 pm   Subject: New truck with some issues and future plans. 05 buick

I would use the transfer case from the Trailblazer SS it will be a bolt in and go for you. It is the NV120. The BW4474 is acceptable and I see on the surface no reason or difference than the NV120. ...
PostForum: GM Performance Forum   Posted: Tue Dec 13, 2016 9:57 am   Subject: With the cooler morning temps, hows everyones L31's acting?

The RCSB did it even on warm days engine cold. I fixed that problem with an LQ9 swap.... The new to me 98 ECSB has 304K with a wounded head gasket leaking between 5&7 with a misfire on #7 at id ...
PostForum: GM Performance Forum   Posted: Mon Sep 05, 2016 7:43 pm   Subject: Grounds!!!

I have the body (stud under heater hoses) to rear of head on the right side.
I have battery to frame
Battery to front of head on drivers side

Is there a Body to Frame ground I am missing and ...
PostForum: GM Performance Forum   Posted: Mon Sep 05, 2016 7:12 pm   Subject: Grounds!!!

I am finishing up my LS Swap in my 98 and I have a ground issue. The truck starts and drives Fantastic! However my gauges are all wonky. They all bounce to the turn signal and when I turn headlights ...
PostForum: GM Performance Forum   Posted: Thu Aug 11, 2016 7:21 am   Subject: Changing a cab

Lots of nuts and bolts but in the grand scheme of things it is plug and play. The wire harness are similar but different. The 98 has the fuel gauge go through the PCM where as the 97 does not. Pers ...
PostForum: Side Garage   Posted: Mon Jul 11, 2016 6:43 pm   Subject: TBI™ and tpi back together again

ohhhh..... Camaro I want Aqua Marine Blue..... That is a rare color my friend.
PostForum: Side Garage   Posted: Wed Jun 01, 2016 1:24 pm   Subject: someone donate to TBI™ an ecm please

What year and what motor? Do you still have the sticker with the service number? I will keep my eyes open.

PostForum: Side Garage   Posted: Fri May 27, 2016 12:16 pm   Subject: its pswired

He is still around lurking in the background and pretty responsive. I messaged him about some pics a few days ago from his Tahoe build a while back.

PostForum: GM Performance Forum   Posted: Tue May 10, 2016 12:22 pm   Subject: Diesel Gas Pedal In GMT400 For DBW?

I am using the 6.5 Diesel pedal in my LQ9 swap. I am using the 2004 TAC Module with 2004 Throttle body. I have not cranked it yet but from the research I have done this "should work." (us ...
PostForum: GM Performance Forum   Posted: Mon Apr 04, 2016 7:24 am   Subject: 98Blackss - transfer case question

A bit pricy in the end but to me its worth it. I got the input shafts for $98 each and then he is charging $420 each to modify them. $1600 for all three all said and done. One is going in the '07 D ...
PostForum: GM Performance Forum   Posted: Thu Mar 31, 2016 7:46 am   Subject: 98Blackss - transfer case question

I know this discussion was a while ago but I thought I would update. EAD still makes these input shafts and I have ordered three of them. We recently acquired a 2007 Yukon Denali for my wife. We lo ...
PostForum: GM Performance Forum   Posted: Fri Mar 25, 2016 11:45 pm   Subject: Fuel Gauge - Old discussion

MMMM.... May have just answered my own question. I was using Google search to go through all the pages of our discussion on this issue and found the following from JR96CK.....

As far as converting ...
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