What did you do to your NBS GMT800 Tahoe/Yukon Today?

[Walchit]

Ok. Parts list for my upcoming upgrades.. This is all due to my original 4L60E with now 224k on it, and a leaking rear main.. I had to do some things "while we're in there"... scope creep...?

Performabuilt Lvl 3 transmission
2800 stall triple disk billet torque conv -FTI
STI Flexplate

Rear main seal -complete assy -OEM
Complete heads -minus valve covers. PRC 225cc / 62cc chamber
Chrome moly pushrods OEM length: 7.4”
Head gaskets -OEM
Cam -Texas Speed stage 2 Truck: 212/218, .600”/.600”, 112 LSA, 110 ICL
lifters -Morel 7717
Lifter trays -OEM

trunnion / rockers -RPM speed pre-installed trunnions
Oil galley diverter barbell

Pushrod length checker

Oil pump -Melling hv
Timing chain set -Cloyes single roller -hex adjust
Timing cover gasket -Mr. Gasket

Balancer bolt -ARP

ARP head bolts

Crank seal
cam bolts
cam retainer plate
cam retainer plate bolts
balancer install tool

Intake Manifold gasket -OEM

Valve cover gaskets

Valley cover gasket -OEM

Knock sensors
Knock sensor harness.. p/n: 12601822
Spark plugs -OEM double plat: 41-962
Water pump: 12703898 gasket

I'm trying to determine if I've covered all the bases.. I wanted to do the intake as well, but just don't have the time to research, and figure out a parts list for the NNBS intake I have sitting here.. (along with a fuel rail..) so that will be later on. If y'all can think of anything I've missed, I would greatly appreciate your feedback.

Here's 222299K, because I'm too damn busy racking up the miles and completely missed the 222222.. And, the view from the front window of my temporary residence in the am..

Are you leaving your bottom end together?

 

[Sam Harris]

Beautiful sunrise Sam! How about doing the thermostat? Just in case....

Yup that’s on the list. Thanks, forgot to add it..

 

[Sam Harris]

Be specific on which pump Sam. We have seen a couple of guys put aluminum block pumps on their iron motors and have trouble for whatever reason and visa versa, or so we were told!

It’s a Melling high volume. Didn’t see any need for higher pressure, and she currently runs 38psi at hot idle.

 

[Sam Harris]

Are you leaving your bottom end together?

Yes. No plans to mess with it at this time.

 

[swathdiver]

It’s a Melling high volume. Didn’t see any need for higher pressure, and she currently runs 38psi at hot idle.

Well, just make sure the part number is right, there's more than one Melling High Volume pump for LS motors out there. I'm not a fan of higher pressure or volume either for street cars.

 

[Sam Harris]

Well, just make sure the part number is right, there's more than one Melling High Volume pump for LS motors out there. I'm not a fan of higher pressure or volume either for street cars.

It's part number: 10296. https://www.melling.com/product/gm-...ect-performance/10296-melling-oil-pump-gm-ls/

I must have missed the issues seen with the HV pump. Do you have a link / reference?

 

[Logan5]

I joined the 200k mile club this morning on the way to work...
Needle on the speedo is off by 7 mph and the gas gauge is a little more than 1/8 higher than actual. The PO didn't get the needles in the right spot when the white cluster decals were applied. I use the DIC estimate on miles left in the tank and don't go down to less than 50 miles remaining before filling up.
View attachment 368812

I like the white gauges. Very visible. I sometimes turn on my lights during the day because I can't read my gauges.

Taking the cluster out to adjust your needles is a pretty straightforward.

 

[Tonyrodz]

9.5" Semi-Floater in your future?

Probably just a stock rebuild.

 

[swathdiver]

It's part number: 10296. https://www.melling.com/product/gm-...ect-performance/10296-melling-oil-pump-gm-ls/

I must have missed the issues seen with the HV pump. Do you have a link / reference?

On Melling's Parts Lookup, they show the 10295, 10296, M295 and M295HV. The M295 is listed as stock replacement and the first two are different levels of performance upgrades. The 10296 is higher volume and pressure.

 

[MassHoe04]

I like the white gauges. Very visible. I sometimes turn on my lights during the day because I can't read my gauges.

Taking the cluster out to adjust your needles is a pretty straightforward.

On my list for a day off when weather is nice. I need to fix the two needles and solder the PRNDL connections. I go by feel on shifting, but it might be nice to see I am in R and not N, when trying to shift too quickly during a 3-point in traffic.