Twins with Twins, Anyone?

[kidturbo]

So as not to completely scrap all the twins 316 stainless, and hours of labor in the last set of up pipes, decided modify them into a 3 piece Y pipe / turbo mount. After a whole day of fitting and welding, discovered the turbo outlet tube is gonna clash with charge cooler cover. Mock up twice, measured 3 times, and dang thing still doesn't fit how I want....

 

[PureHybrid]

That rectangle part is the manifold inlet?

 

[kidturbo]

Yeah in the bottom. And trying stuff a 75mm throttle body in between as a emergency air shutoff.

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[kidturbo]

Getting closer.. Engine 1 pipes are tacked up and turbo in final position. Now to jacket these pipes and start on set 2.

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[kidturbo]

Hood Stack It?

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[Chevy1925]

Hood Stack It?

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Brooooooo

 

[cdbright]

stop teasing !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

 

[Pure Diesel]

:drool::drool::drool:

 

[kidturbo]

stop teasing !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

How about this one. After ya get everything tacked up and looking perfect, ya gotta cut it all apart and start fitting the outer tubes..

Hope it all lines up again when welded together for the second time.. lol

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[gmc502]

doing an awesome job.

 

[kidturbo]

Flipping back to internals again, 1st set back in their respective holes.

Did I mention how well designed the medium duty oil pans are for performance applications? Like GM designed it for easy inspection and overhaul purpose ..

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[kidturbo]

Both bottom ends back together, one set of pipes is welded up, and one to go.. Soon as we get injectors back, these shoukd finally be ready to drop into the boat.

Looks like 200% over nozzles gonna be the magic # to bring pw under 1500us at 700hp range. Sure hope she ain't to too hazy..

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[gmac32]

Looks like your wife is a nurse? I see the blue towels. I get those from my mom and they look the same!

 

[kidturbo]

Looks like your wife is a nurse? I see the blue towels. I get those from my mom and they look the same!

eBay find.. But that's them... lol

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[THEFERMANATOR]

Are those turbos liquid cooled or are you just going with heat shields on them?

 

[kidturbo]

Are those turbos liquid cooled or are you just going with heat shields on them?

Just wrapping for now.

Haven't found a suitable water cooled off the shelf housing for S475 platform that could be adapted listed anywhere. Also considered jacketing these turbine housings since it's cast stainless. But long as it's taken to build up-pipes, for the meantime that 2000F rates blanket gonna have to do..


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[gmc502]

you plan on supporting the turbo and up pipes?vibration in boats is a killer.

 

[kidturbo]

My stainless polisher guy complained about working around brackets on last set of pipes. So once he's done, I'll add the hangers to support them off these bellhousing bolts.

Certainly don't want them breaking welds after all this hard work..

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[kidturbo]

While waiting for me to get second engine back on its wheels, my welder buddy whipped out these little SS fuel coolers.

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[kidturbo]

50lbs of exhaust pipes and turbo hanging off the log manifolds.

Certainly getting supported off bellhousing bolts .

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