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Shoota_77

Shoota's R33 GT-R RB30/26

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Valid question....  I've got the parts here to make up an AN10 braided drain hose but having had a brief look at where everything sits it could be tricky. I'm thinking I might end up using steel pipe at least for the top half of the drain until it's passed the manifold. 

Something similar to the pic below. Not sure about the flex baffles in that one though. I feel they might slow up the flow too much. But then again once the lower part of the baffle has oil in it the oil should just flow over the top. Beyond my intelligence level to know for sure!

Screenshot_20191020-094653_Instagram.jpg

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I’ve just made a steel one for my eBay manifold lol haven’t even tested it yet and going to put it on tomorrow just so I can get my car up into the drive. Then I’ll strip it all apart again In preparation for my sinco. but there’s no chance my drain that I just made will fit around the sinco wastegate pipes. Re fabbing shouldnt be too hard just a pain I have to do it again. Shouldn’t have put an eBay manifold on in the first place ! 

Looking at your pics, you might get away with a 30degree fitting if not a 45 straight off the turbo and around the gate pipe. 

Ps that flexible pipe, what’s it called?

 

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Edited by r34.rory
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3 hours ago, Shoota_77 said:

Valid question....  I've got the parts here to make up an AN10 braided drain hose but having had a brief look at where everything sits it could be tricky. I'm thinking I might end up using steel pipe at least for the top half of the drain until it's passed the manifold. 

Something similar to the pic below. Not sure about the flex baffles in that one though. I feel they might slow up the flow too much. But then again once the lower part of the baffle has oil in it the oil should just flow over the top. Beyond my intelligence level to know for sure!

Screenshot_20191020-094653_Instagram.jpg

That is pornographic 

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1 hour ago, r34.rory said:

Ps that flexible pipe, what’s it called?

You've done well, good on you for having a crack at it!

I would call that stuff a "baffled flex joint".  Google that and something similar should come up. 

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Got the lower section of the dump pipe fully welded. Did it all in one go so I could set up the back purging once. Pain in the arse to do it multiple times.

Some great welds, some shit welds and plenty of ok ones! As long as none of them crack in 6 months then they're all good welds!

Just waiting for the new flex joint next week then I can finish off the top half of the dump. 

Only one tiny straight section of the wastegate pipe to cut and prepare for welding then that will be all done too. Should have all of the exhaust finished by the end of the week. 

Almost over cutting, grinding and welding....  Cracked the shits tonight because I was over it! Nearly kicked some shit but managed to pull myself together 😂.  Finished off the section that was shitting me so all good now. 

Next job will be remount the intercooler and start making the intake piping. More cutting, grinding, welding....

 

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@mr_rbman just using a cheapy Ebay gas lens.  I think the cup is around a 7 or an 8.

Generally running around 12-15cfh gas flow.

The thing I find I'm doing wrong is a) I shake like a dog shitting razor blades so it's never straight (!!) and b) I often get the material too hot.  I had the settings really good early on then changed it to weld a thinner piece of material and couldn't get it back to where I had it!!  It's hard to find that fine line of maintaining a good puddle and keeping up a good speed while adding filter at regular intervals, especially when you're welding around corners all the time (pipes) and need to constantly rotate the piece you're welding.  The pros make it look so easy!

Welding the wastegate merge on was the hardest bit of the lot.  I cut the end off to get in there a bit easier but still found it really difficult.  Also welding it back on where I cut it off was hard too.  I stuck the tungsten out further to reach in there a bit further but then the weld suffers from less shielding gas around the weld zone.

 

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gas lenses make a weld 😉 of difference.

12l/min. is typically the max i would run... up to 15 when need to protrude the tungsten that bit further...

That black discolouration you get instead of the nice straw finish will typically be the result of a poor gas coverage as you've alluded to...

 

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@mr_rbman boom boom!

Thanks for the tip. I might try a better Pyrex lens kit. They look better than what I’ve got. Wouldn’t mind trying a 10 or 12 sized cup for better coverage. 

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