I don't know if this is true or not , but i have heard of some people say if you haul a truck with miter cut stacks on a trailer, you need to cover the tops of stacks b/c it will spin the turbo dry. Is this true or false. I could see this mybe on a truck with the stack out of the hood. But not so sure with them in bed. Thanks

 

There was a discussion on that subject a while ago. Try a search for it. I would for you but i need to get home and spend some time with my kid.

Good Luck

 

I believe the final answer was a very definate maybe.

look here---> Hauling a truck with stacks

 

I don't remember ever seeing covers on the stacks of trucks and tractors going to pulls. I think they should know. Although, it does kinda make sense.

 

Cover it, we hauled a tractor one time and when we stopped at a rest area you could here the turbo spinning. Why risk it just duct tape it. Are you getting you Head worked on?

 

Didnt know that, thanks for the heads up...

Didnt realize enough air pressure was generated just from airflow when towing....

 

The truck is done. Just got it last night. Runs good too. I'm going to Lima OH for the truck JAM this weekend. Hauling it up there. I did a search but couldn't find anything. So is it a mybe or yes or just do it just incase. Thanks Chris

 

It is able to spin because of valve overlap. It is where both valves on a cylinder are both open a bit on the exhaust stroke.

 

after reading everything... why take the chance? I would cover deffinately

 

oh i get it now i was confused, i thought you were using yoru truck to pull a trailer and the truck had stacks im like what kind of sense does this make?

 

ok ive covered mine in the past and ive seen big rigs with covered stacks but seriously, how much air could possibly get through the motor? im not saying dont cover them, because i have, but really is it enough air to really hurt anything?

 

The only scientific way to answer this, once and for all time to come, is to have your most observant affiliate to sit in the cab of the truck being hauled, keeping his eye on the boost gauge.

If it spins up enough to develop boost, then stuff old pillows down in the stacks.

If it is just sort of spinning along, then I wouldn't worry about it.

 

Um there is no way its gonna build any boost. It takes many thousands of rpms to make a turbo build boost.

 

Besides if a turbo spins one way to build boost, and it spins backwards from the exhaust (your pushing air in through the exhaust, out the air box) wouldn't it develope Vacume???

I would cover them. You never know what could get in there, rain, ect. I doubt the wind would be enough to move it bad enough to cause damage but who knows. We should find a guy that dosen't want a turbo, spin it backwards with air through the exhaust, and only have a loop oil system on it, see what happens. Since stock there is oil on the bearings (not moving) it should lubricate enough to keep it from seizing.

 

I ain't buyin this one. Towed mine all the way to Terre Haute on my GN with my sons truck and then another fellow towed it the second time. Never had a problem. I suppose it would be possible if both valves were open and enough air was moved by the venturi effect.