Any thoughts for water pump upgrade for gen iv 6.2 yukon

[Woodblocker55]

So what happens when you climb a 6% grade or are towing into a headwind? Come on now, 14,606 all day every day? Im not doubting that you do it, but i question not being underpowered while doing so. unless you are pulling a flatbed with little to no wind resistance?

There's not much for long mountain runs in Minnesota. .

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[thompsoj22]

There's not much for long mountain runs in Minnesota. .

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I swear everywhere we tow out west there are grades to contend with, and we live in the ca high desert where 35/40 mph headwinds are not uncommon. dragging a travel trailer that is higher than the tow vehicle roof is like bringing your own hill with you!

 

[thompsoj22]

I gave up my 03 suburban 2500 with the 4 speed to tow with this for comfort. The ride is softer and the gears don't hunt. The suburban did like 60 to 65 max before it really started to hunt around. Too fast and it dropped to third permenantly which is worse. I did that for years and really just hated it.
I picked up this one for 4k with a salvage title and a dropped valve. I compared the cost of a duramax conversion vs stroked/supercharged. I'm in this for like 8 or 9k. Don't get me wrong I'm sure the duramax would have had its problems but the little stuff on this one is killing me. I could of leveled a character to 100 in WOW in less time it took to learn the hp tuners software.

As for gas mileage? I got 8.7 to 9.5 all day in the suburban. I get slightly better than that but am going much faster. I've tried just 6th and the the haul mode. I don't see a difference. I go with whatever is comfortable.

I don't keep track but I think I just burned 58 (memory) to go 547 on the map with a few naps where I keep the car running.

One leg of that was tehachapi to vegas. 243 miles in less than 24 gallons.

Thanks for the info, Our family is at a crossroad's with RV'ING. we have a 22ft aljo lite, 5,500 lbs loaded and bought the denali to tow it. It does fine, but the cost to bring the RV is more expensive to tour than to use hotels. We love the convenience/comfort/cleanliness/cooking but at what cost? Hey but yours is a success story, get your temps under control and your done! Its airflow, what is trans temp while towing?

 

[Woodblocker55]

Here this will get the carbon off the valves 13,160 lb load and trailer . That's oak . Every weak link in drive system will show up . Yes that's a 1/2 suburban. It was my tuning run . Yes there is a top knotch brake system on trailer. And weights more then that guys boat !!! [emoji106][emoji3]
[emoji106][emoji3]

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[Joe yukon]

I swear everywhere we tow out west there are grades to contend with, and we live in the ca high desert where 35/40 mph headwinds are not uncommon. dragging a travel trailer that is higher than the tow vehicle roof is like bringing your own hill with you!

My parents traveled out west alot in 80s and 90s My Dad said he wanted only 21 foot motorhome . To deal with train and wind.chevy 1978
350 carb 8600 lb rig 4:11 rearend 1 ton chassis . He went on every pass out there. He said couple were to boards 30 mph [emoji106] there is not a spot paint on the 350 and some paint was cooked off firewall lol..
They went to glacier three or four times.
They got to drive it thru the road to sun because it was only 21 foot long . [emoji106][emoji16]
Yes 4 barrel carb .

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[kaleburditt]

Thanks for the info, Our family is at a crossroad's with RV'ING. we have a 22ft aljo lite, 5,500 lbs loaded and bought the denali to tow it. It does fine, but the cost to bring the RV is more expensive to tour than to use hotels. We love the convenience/comfort/cleanliness/cooking but at what cost? Hey but yours is a success story, get your temps under control and your done! Its airflow, what is trans temp while towing?

It was 250 until I installed the trucool 40k. Now I don't even look anymore.

 

[Woodblocker55]

Dealing with engine heat . It always radiator. And huge electric fans . They kept this GM 7.4 liter cool with biggest radiator . Fan on engine and huge 2 foot electric fan in front of Radiator. 454 with 4:88 gears . It's a power house. It will tow anything you hook to it . Has carburetor style injection. 10 mpg loaded or empty. Power bands right at 1650 RPMs it gives overdrive a nice feel. 385 ftlbs torque basically at idle .

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[hagar]

Dealing with engine heat . It always radiator. And huge electric fans . They kept this GM 7.4 liter cool with biggest radiator . Fan on engine and huge 2 foot electric fan in front of Radiator. 454 with 4:88 gears . It's a power house. It will tow anything you hook to it . Has carburetor style injection. 10 mpg loaded or empty. Power bands right at 1650 RPMs it gives overdrive a nice feel. 385 ftlbs torque basically at idle .

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Yeah, and it has like a third the hp and thus a third the heat energy to remove as the original posters rig.

 

[Joe yukon]

Yeah, and it has like a third the hp and thus a third the heat energy to remove as the original posters rig.

Point is... put a fan in front . Bigger radiator. Pretty clear . Before it milt's down .
[emoji57][emoji106]

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[Doubeleive]

there's always the morimoto