hi everyone i searched and read up on some people who tow with their gas silverados. Well i have a 2001 crew cab silverado 1500hd. so it has the 6.0 and 4l80e trans. Runs great just need a little more power when towing. I tought about buying a diesel can my current truck is paid off and runs great. So i was planing on buying trick performance passenger header and fabbing everything else my self, Now i tow a 4500lbs boat plus people plus gear from phoenix to prescott az during the summer. Its a pretty tuff hill coming home. I can stay at 65 as long as no one cuts me off. Truck gets a little warm while going up hill and will even down shift into 2nd at times. Trans stays at 210 and engine goes u to about 230 before i let off alittle. so i need some more power since the speed limit is 75. I was thinking a small t70 turbo with a .68 ar would spool considerably fast and be great in my towing range. This would be an intercooled setup probably at 7-9 psi. Will this be ok? The hill is pretty tuff i go from phx at 1000' elevation to prescott at 5500' within a 30 mile span. So just need some boost in power. I currently have the 4.10 gears in my truck and 265 tires but im planing on adding some 35" tires as soon as i buy the rims since i already bought tires. thanks guys every opinion is welcome. Again not trying to go diesel as i belive i can get my turbo setup done for under 2k since i can fab up everything.

 

No clue on turbo sizing but what do you plan to do about your engine and trans temperature running so high during your hill climb?

 

I'm thinking if your hitting 230° on the engine adding a turbo will only let it climb more same with the transmission. Adding better cooling should be the first thing I'd look into. But having the turbo would make it better going up. Also why not just get the stage 3 kit from trick. Make the whole thing easier to install.

 

70 way to small.
Will sort of. The. Compressor side would be on in STOCK trim not trying to make alot of power.
The exhaust though is where you need to go big.
You need to let the engine breathe while pulling.

I would recommend a 76/92 or 76/96. 3.5" down pipe. 4" exhaust.

Tuning set up for pulling. And good ole common since.
You will have on tap more power/torque. But just be aide it can do it don't mean it should.
What do I mean by that.
You will still need to drive the truck watching gauge and if things start getting warm lift like you are now.
Had a customer while on cruise controll be noticed the truck temp would climb.
Turned it off drive the truck up and down hills using the down side to help the up climb.
Truck stayed where it normally is.

You will also need the largest Intercooller possible and even some meth injection might be needed.
4500lbs is not much weight but again you will just need to drive the truck stay out of cruise controll.

 

76/96 or 92? borg turbines? and hear i was looking at a 66/73 s300.

 

I'm really interested in which route you go with this...I am going to put a 6.0/80e in my 87 crew cab this winter and build a turbo kit for it with towing in mind.

 

I think you're in the right direction.

A 76/92 or 96 is not the right turbo for what you're wanting to do. A S468-72/83 would be the range I'd be looking at.

 

I'd go with the 70mm with a small .68AR exhaust side. It will spool where you need it: towing under 2500rpm.

It's easy to get wrapped up in looking for larger turbos because of all the big power builds that have happened lately. But they are definitely not optimal for towing.

 

I think with a 6.0 maybe just a little larger, something like this should work well on a tow rig. You dont want it spoolin all the time but a little past light throttle it starts helpig out and plus it's priced good.

http://item.mobileweb.ebay.com/viewi...d=290895236266

 

Small exhaust wheels will spool sooner.
But the back pressure is gonna be hi. All the time while under a load.
Small exhaust wheels are good hotrod have fun on the street but most og the time those builds are not under a load. Even at wot its still not like pulling a trailer.
now put that same truck under a load all the time. That's what will happen with a trailer.
the large exhaust wheel is to keep the bp low.
Especially while pulling. It will still build boost even at no boost the engine is breathing better. Better throttle response. Making Pulling easier.
We don't need big hp.
So a 76 70 68 62 compressor will all work on that side.
Exhaust is the side to worry about.