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Rb20 Top Mount Manifold Spilt In Half

Yts

By Yts,
in Engines & Forced Induction

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Yts Rising Star

Yts

Posted
Posted (edited)

hi guys,

been having a little leak issue with the rb20 top mount manifold, (car is currently getting pulled apart as i post) originally it was thought that just a gasket leak but after inspection the whole manifold has split|cracked. has anyone experienced this?

my mechanic seems to think that i may have hit something with the screamer pipe as it sits very low to the ground and that may have twisted or put pressure on it.

the item in question is a genuine hks/greddy turbo manifold (i have a genuine tdo6ls2 turbo kit installed to an rb22)

so now to the real questions

there is a possibility to weld up the crack,(but i don't do things half assed so this most likely won't be the way i go)

so it looks like a new manifold.

now i have been looking up places to get a new manifold, i don't know alot about them and the prices vary from $400 bucks to $1300 i don't really want to break the bank but if the cheaper ones won't handle the 270kw then i will be prepared to pay the extra

i would also like to get ther car fixed asap as i need it for a few trips in a weeks time so i don't want something custom built that i have to wait for/ all alternatively if someone on here has a second hand one they are looking to get rid of

are the off the shelf items the same fit, obviouslly i am after one with an extrernal gate and t3 flange

any and all help is much appreciated

i am located in nsw

yt

Edited by Yts
The Dan Grand Master

The Dan

Posted
Posted

$400 is too cheap for a manifold that you expect to last.

Also, i'd make alternate plans for transportation as your car is unlikely to be done in a week unless you get it welded back up, but then it will just crack again.....I'll even put money on it

Yts Rising Star

Yts

Posted
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Posted
Is it mild steel or stainless?

Do u have a flexi joint in ur exhaust?

it was stainless steel, it snapped on the pipe connected to the turbo

not sure about the flexi joint on the exhaust

$400 is too cheap for a manifold that you expect to last.

Also, i'd make alternate plans for transportation as your car is unlikely to be done in a week unless you get it welded back up, but then it will just crack again.....I'll even put money on it

agreed, and yes i have figured that out also mate, and no not going to weld it back up

6boost or similar - money well spent.

6boost seems to be my pic also maybe quickspool? i had a little read on their products also

The GR manifolds have cracked before, so nothing new there.

Decent item is 1300 or so, cheap ones will just crack again as well anyway.

where it has split it doesn't even look like stainless steel just rusty so yes GR in the bin new one coming, should i be getting cermaic coating also? i have launch control and it shoots flames out of the screamer pipe which is straight below, prop why it rusted over in the first place

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