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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #350 on: December 11, 2018, 08:41:15 PM »
Muffler size...See any differences?

That dynomax muffler is really light weight, heck everything is. It's only a couple of pounds, not 40+ like the stocker.
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #351 on: December 11, 2018, 08:42:12 PM »
I make the factory tailpipe to be either 2 3/4" or 3"

The Dynomax is 4" ID
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #352 on: December 11, 2018, 08:43:43 PM »
And there's some silly looking 5" stainless exhaust tip thing

Coffee can exhaust. I can Craigs list that sucker to the jap car crowd for some pretty good $$$ I bet
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #353 on: December 11, 2018, 08:44:49 PM »
All kinds of space is opening up under the Burb!
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #354 on: December 11, 2018, 08:46:43 PM »
Leaky front seal!

I know how to fix that.

Remove the drive shaft, then pinion nut.

Pull the yoke and ring and pinion, install a grizzly locker, then rap in a new seal and reinstall everything.
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #355 on: December 11, 2018, 08:48:43 PM »
So with frozen ground outside, I did what came naturally.

Fire up the pressure washer and get coated with grease, grit and cold water

Took maybe an hour, but I think I have the underside spic n span and ready for the undercoating and cavity sealer I have planned for the morrow
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Offline KensAuto

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Re: 2002 Suburban 2500
« Reply #356 on: December 11, 2018, 09:53:50 PM »
Pretty sure they can tune those rear ones out Don. I  would ask before buying the foolers.
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Re: 2002 Suburban 2500
« Reply #357 on: December 11, 2018, 10:02:57 PM »
Can you just do an early out exhaust like you did on cmax, stick it out just under the rear tire?

What are the plans for gearing on the front?

Did you ever decide on lift?


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Offline JR

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Re: 2002 Suburban 2500
« Reply #358 on: December 11, 2018, 10:20:06 PM »
I have setup for the 9.5 front and 4.56 if you go that deep.

 :popcorn:
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #359 on: December 11, 2018, 10:35:24 PM »
Can you just do an early out exhaust like you did on cmax, stick it out just under the rear tire?

What are the plans for gearing on the front?

Did you ever decide on lift?


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I would like to do that, but I also think it would be noisy

The turbo does things to quiet the diesel, would on a gasser as well. But in this arrangement I have here, the exhaust which used to be very sound controlled will be a open pipe port to tailpipe. With that in mind it might be wise to get a couple more feet and some more sound deadening between me and the exhaust note

Lift, I've been looking at the 3" to 4" and I don't like any of that. Everytime I see a burb lifted 6" or more, it starts to look right. So no decisions yet

Gearing? To remain the stock 4.10
Driving down the highway with the 30" tall tires it tacks at like 2350ish RPM
The cam I am going to buy comes on at 2100 with like 80% of peak torque, so the 33" tire should cut the RPM to around 2100. The overall effect is that the truck will want to cruise around 75 to 80 is my guess. If I had to regear, I'd go to 4.88 and run a 35" tire.

This motor is going to make over 500 ft lbs, so it may not have a big problem moving along. I'll just have to see how it shakes out
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #360 on: December 11, 2018, 10:36:16 PM »
I have setup for the 9.5 front and 4.56 if you go that deep.

 :popcorn:
Ya know, I may be a player on that JR
Already set up in the diff, or new in the box?
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Offline JR

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Re: 2002 Suburban 2500
« Reply #361 on: December 11, 2018, 10:51:54 PM »
All still  in package.
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Offline EL TATE

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Re: 2002 Suburban 2500
« Reply #362 on: December 12, 2018, 11:17:20 AM »
How do you get a flat in the snow Tate?

All bolts matter JR.
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #363 on: December 12, 2018, 12:03:03 PM »
I think I just found a good set of 243 heads.

These are the best of the cathedral port heads which are great for torque production. Also used on the LS6 motor of old. These can push upwards of 300 CFM and are the basis for +500 HP builds.

Here we go!
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Re: 2002 Suburban 2500
« Reply #364 on: December 12, 2018, 02:40:46 PM »
Have been busy and not on the site for awhile.   The Suburban is looking awesome and is going to be so cool when it is done.  Great job so far!!!    I keep looking for another one to sell but no luck.  So hard to find.

Keep it up!!!

Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #365 on: December 12, 2018, 08:42:02 PM »
The undercarriage cleaned up well enough

Note the ink stamp on the underside of the leaf spring!
« Last Edit: December 12, 2018, 08:42:37 PM by Flyin6 »
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #366 on: December 12, 2018, 08:44:18 PM »
No surprises, it all looks pretty good
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #367 on: December 12, 2018, 08:47:34 PM »
I'm trying this Chassis paint from HF. Inexpensive enough and I've been noticing an improvement in product from there. Heck everything else is made in China, the difference being the other stuff is marketed by American companies and marked up
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #368 on: December 12, 2018, 08:49:18 PM »
And sure enough, it did a decent job. Heck the undercarriage will likely get muddy like the truck, so who cares really!
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #369 on: December 12, 2018, 08:51:00 PM »
The frame and some crossmembers were sprayed with undercoating after some cleaning
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #370 on: December 12, 2018, 08:52:50 PM »
I pulled the front wheels for the header install. I planned to go in through the wheel well. It turned out that by doing so the dreaded manifold removal was a non event
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #371 on: December 12, 2018, 08:59:31 PM »
The previous owner must have installed this front bumper hitch, perhaps to move a boat trailer around?

Anyway, it's added weight that I don't need, so off it came
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #372 on: December 12, 2018, 09:01:10 PM »
Pop off a few plastic retainers and voila'

easy access to the side of the engine
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Offline stlaser

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Re: 2002 Suburban 2500
« Reply #373 on: December 12, 2018, 09:02:33 PM »
You could have used that mount for a winch receiver....
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Re: 2002 Suburban 2500
« Reply #374 on: December 12, 2018, 09:08:53 PM »
Have you alresdy sourced the transfer case pump rub kit from merchant auto yet?
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #375 on: December 12, 2018, 09:12:23 PM »
Have you alresdy sourced the transfer case pump rub kit from merchant auto yet?
Is mine one of the suspect trucks??
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #376 on: December 12, 2018, 09:15:48 PM »
Everything I read told me to just pull the heat shield, so I did. It, will go back in when the headers are installed
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #377 on: December 12, 2018, 09:18:00 PM »
Next this EGR thing was yanked off. It left a gaping hole in the intake which I will need to address, but you can bet that thing was killing some performance!
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #378 on: December 12, 2018, 09:19:47 PM »
Then just like that, the right manifold was unbolted and fell right out!
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Offline Nate

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Re: 2002 Suburban 2500
« Reply #379 on: December 12, 2018, 09:21:47 PM »
What model of x-case do you have?
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Re: 2002 Suburban 2500
« Reply #380 on: December 12, 2018, 09:23:06 PM »
The quality of these pipes is pretty good. The welds were nice, the inside of the ports showed signs of smoothing with a sander, and the collector was fitted with a spike to blend the flow from adjacent tubes. Not bad for stainless pipes under $400!
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #381 on: December 12, 2018, 09:24:23 PM »
What model of x-case do you have?
dunno Nate
Has the auto 4WD feature, 2H, Neutral, 4H, and 4L
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Re: 2002 Suburban 2500
« Reply #382 on: December 12, 2018, 09:27:22 PM »
What is the year range of the suspect transfers?

Ya know, when I was under there, I was thinking the transfer case looked pretty new. I noted the fasteners were shiny and the aluminum wasn't showing the age of other aluminum components nearby. I wonder if its already been replaced?

Another thing, I found copper anti-seize on the manifold bolts and copper gasket sealer on the exhaust manifold gasket. Finally, the gasket was a composition type. I thought GM used the layered steel gaskets.
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #383 on: December 12, 2018, 09:28:22 PM »
Here's the aero spike in the collector:
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Re: 2002 Suburban 2500
« Reply #384 on: December 12, 2018, 09:29:14 PM »
I took care to mark the gaskets for proper installation
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Re: 2002 Suburban 2500
« Reply #385 on: December 12, 2018, 09:31:25 PM »
I had to trim off a part of the old exhaust system support hanger system, but when I did the header fell right into place. You can drop it in from the top or slide it in from below, easily
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #386 on: December 12, 2018, 09:32:12 PM »
Bolting these pipes in was almost a non event...so far...
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #387 on: December 12, 2018, 09:33:29 PM »
I installed new spark plugs and wires, then the dipstick tube for the win!
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Offline Flyin6

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Re: 2002 Suburban 2500
« Reply #388 on: December 12, 2018, 09:35:16 PM »
Anyone know if it would be of some benefit to try to fit the stock spark plug boot heat shields onto my aftermarket wires?
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Offline stlaser

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Re: 2002 Suburban 2500
« Reply #389 on: December 12, 2018, 09:47:19 PM »
Why not buy some aftermarket spark plug boots from jegs etc?
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Re: 2002 Suburban 2500
« Reply #390 on: December 12, 2018, 10:17:56 PM »
Why not buy some aftermarket spark plug boots from jegs etc?
$$$$$$
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Re: 2002 Suburban 2500
« Reply #391 on: December 12, 2018, 10:35:24 PM »
??? Really? $50 bucks? You can put them on and forget about em
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Re: 2002 Suburban 2500
« Reply #392 on: December 12, 2018, 10:37:54 PM »
I may get fired for not mentioning this earlier, but I'll risk it.  I would have heat wrapped the headers to keep the heat down.  Maybe when you swap the heads.
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Offline longball

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2002 Suburban 2500
« Reply #393 on: December 12, 2018, 11:42:28 PM »
Yeah Chief, your transfer case makes the list. They also have an option to add a magnetic drain plug.


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« Last Edit: December 12, 2018, 11:47:17 PM by longball »

Offline JR

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Re: 2002 Suburban 2500
« Reply #394 on: December 13, 2018, 03:20:04 AM »
I would do the plug boots too. Headers do like to burn wires!

How do the motor mounts look? 16 years old, that rubber may not be happy and now would be a good time with the access.

Heck, still haven't done my case. JB is holding up but I need a new rear and the front yoke kit.
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Re: 2002 Suburban 2500
« Reply #395 on: December 13, 2018, 09:38:44 AM »
Been a long time since I had to wok on anything with plug wires.  Memories.....

 

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Re: 2002 Suburban 2500
« Reply #396 on: December 13, 2018, 09:58:08 AM »
I second the motion for the heat shields on the plug wires, the heat wrap on the headers might not be a terrible idea either.  If you wrap them with heat wrap it will hide that unsightly shine of those headers too


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Re: 2002 Suburban 2500
« Reply #397 on: December 13, 2018, 10:35:26 AM »
You could have used that mount for a winch receiver....

probably what it was there for so they didn't have to cut into or replace the bumper
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Re: 2002 Suburban 2500
« Reply #398 on: December 13, 2018, 10:58:32 AM »
I may get fired for not mentioning this earlier, but I'll risk it.  I would have heat wrapped the headers to keep the heat down.  Maybe when you swap the heads.
It's cold outside, I like heat

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Re: 2002 Suburban 2500
« Reply #399 on: December 13, 2018, 11:02:55 AM »
Hmmm, not a good mornin'

Dogs ran off, had to run em down

Got em back but then this

Plug wire booties
Transfer case is all ganked up and ready to crack in half
need to put a diaper on the headers
and some Dave doesn't like the shine
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