Twins with Twins, Anyone?

[kidturbo]

Air knife just doesn't fit this build. Especially if we go with polished velocity stacks. But usually there is a coupe beach towels available on the boat as a last resort.

I'll probably tube a small line off a 2-3lb CO2 tank directly into a turbo on each engine. Thinking that should choke them both out safely. I used carry a pocket halon bottle around back in the day, just to mess with friends at the track. Know it never took much to snuff out an idling gasser when they weren't looking...

 

[DAVe3283]

But that's the trick: at idle, a gas engine uses barely any air, and gas only burns in a very narrow AFR range. Doesn't take much to throw it out of that range and kill it.
A diesel will run in a much wider AFR range, and has a lot more air at idle. But idle isn't the hard part. You need to be able to snuff it out at full tilt on full boost in the case of a blown turbo oil seal. I bet it takes quite a lot of CO2 to make that happen.

You could always experiment to see how much you need on a regular truck. Set a brick on the throttle, walk out front, and start cracking a CO2 tank into the intake, and see what it takes to actually kill it. I'd be curious.

And even then, that's only on high-idle, not full boost like a real runaway.

Sent from my FlashScan V2

 

[kidturbo]

You could always experiment to see how much you need on a regular truck. Set a brick on the throttle, walk out front, and start cracking a CO2 tank into the intake, and see what it takes to actually kill it. I'd be curious.

Me too, I'll send ya the tank since I don't own a truck.

 

[clrussell]

Man what I'd give for some of your guys jobs.

 

[kidturbo]

Received these lovely zero balance flywheels today. 68lbs each without ring gear.

Now, soon as the wife leaves for work I can sneak those ring gears into the oven and bake to fit... Tried to do one while oven was still hot after dinner last night, but she didn't believe her oven was the correct tool for the job. Those puppies will be seated, tacked, and mounted on a balance machine before she's at lunch today.

:rofl:

 

[Burn Down]

Received these lovely zero balance flywheels today. 68lbs each without ring gear.

Now, soon as the wife leaves for work I can sneak those ring gears into the oven and bake to fit... Tried to do one while oven was still hot after dinner last night, but she didn't believe her oven was the correct tool for the job. Those puppies will be seated, tacked, and mounted on a balance machine before she's at lunch today.

:rofl:

Dude she's going to know.... They know everything, just ask her:spit:

 

[c20elephant]

She might suspect something if you leave your "Ove Gloves" laying around in the kitchen or garage, me, I would prefer the "Pit Mitt" sounds more manly in the garage or Pit.... :rofl:
=
=

=
=

 

[WolfLMM]

Dude she's going to know.... They know everything, just ask her:spit:

The good news is, we get to download all of that information from time to time

 

[kidturbo]

Yep got busted... Darn ring gears put off a strange odor when I brought them up to temp, which stunk up the whole house before I noticed it...

:food:

But here is my recipe if you need to change one.
1. Preheat oven to 460-500F.
2. Place ring gear directly on rack and set timer for 45 minutes.
3. Remove from oven (with good mitts) and make sure the chamfer tooth edge is facing up.
4. Drop ring on flywheel (quickly I should add) and let cool before handling.
5. Get them out of the house, and claim you were baking her a cake but you burned it....

:spit:

 

[Ridin'GMC]

I use a rose bud torch and heat it up evenly by going around in circle. Most of the CAT techs do this to change over the flywheel ring gear. It's quicker and more effective IMO.

 

[Digmax]

I use a rose bud torch and heat it up evenly by going around in circle. Most of the CAT techs do this to change over the flywheel ring gear. It's quicker and more effective IMO.

Metal loses a certain amount of its strength every time its heated. With a rose bud certain parts of the ring gear will get heated more, regardless how careful you are. Therefore part of the gear will be expanded more than other parts. Probably wouldn't matter on a flywheel ring gear but if I was building a engine that was gonna live its life on the edge that would be a corner I wouldn't cut.

Sent from my C811 4G using Tapatalk

 

[THEFERMANATOR]

I use a rose bud torch and heat it up evenly by going around in circle. Most of the CAT techs do this to change over the flywheel ring gear. It's quicker and more effective IMO.

Same here. WOMEN, they just don't get it. Mine flips out if I leave tools on the kutchen table working in the house, could only imagine if I actually baked a ring gear what she would do.

 

[Hawk 40]

You going to be in Sarasota nov/dec?
Got mine aligned and fitted up but cracked a weld on an aluminum stringer mount, redo this week then mock up heat exchangers and intercoolers.
Real busy at work next five weeks but will ready to run on the stands by mid November

 

[kidturbo]

I'm planning to drag the boat and drives down there Oct 1st, weekend of Clearwater SBI race. WS can do some fiberglass work while I come back up here and dyno the engines. So I'll likely be in town a good bit over next couple months.

Would preferred to do sea trials up here on the river, but good boating weather is fading fast. Now thinking about bringing the engines down there to finish everything up.

 

[kidturbo]

Starting to look like an engine at least.

I cleaned off my work bench, first time in over 10yrs. Then I emptied out my truck onto it.

 

[ironmax]

All I see is dollar bills, lots of them! To bad they get covered up. Need a clear hatch to show those thing off

Sent from my HTC6525LVW using Tapatalk

 

[kidturbo]

These puppies were on the porch when I came home today. I'm getting my UPS driver a Santa hat.

 

[gmc502]

what size turboes?

 

[kidturbo]

62mm compressor side. Smallest he makes like that. The guy doesn't mess around when it comes to making HP...

 

[Digmax]

I just wish he would put his emphasis on the duramax instead of gassers.....it would get interesting

Sent from my C811 4G using Tapatalk