What wastegate do I need?

[supraguy@aol]

Hey guys-
I just picked up a T-4 manifold from a guy. He says he bought it a few years ago from NOPI, and it's brand new. Problem is, I'm not sure what size wastegate will bolt to it.
The manifold is a HKS log style, like the 'Treadstone' units made now, though I don't know the manufacturer. The mount is rectangular, the bolt pattern in 68x44mm, and the wastegate hole itself is approximately 32mm. I assume that its a standand 40mm WG mount, but want to be sure before I order one. SO, if anyone knows, or if they have a WG sitting around, maybe they could measure the bolt pattern on it?

Thanks.

 

[supraguy@aol]

Anyone? Anyone know the mount dimensions of a 40 or 50mm wastegate?

 

[Nick M]

It seems like if it is a T4 manifold, the mount up will be universal. I will follow the thread for the answer.

 

[northwestsupra]

some hks 50mm's use the rectangular mount, there are also some ebay wastegates that will mount up to these but i would never recommend those ever. If all else fails go the rout i went and just cut the flange off and reweld a new one on or try and find a adapter. most newer waste gates use a v-band connection i know i've seen this in almost every brand. But the brand of wastegate all depends on how much booooooooost your gonna run and i think power goals are in that mix to.

get a picture of the manifold and maybe we can help you more

 

[hvyman]

Id just cut it off and get a precision 46mm. Comes with the flange and eithe weld it your self or ask a shop. Should be like 20-40$

 

[supraguy@aol]

I'd rather not cut off parts. Now if there's a bolt on adapter to go v-band, cool.

 

[hvyman]

Ya be etter idea with a cast manifold. You could one made pretty cheap if there isn't one out already.

 

[toyotanos]

Have a V-band adapter made! 3/8 plate cut and drilled to match the mani, tube to locate the WG where you want it, then V-band flange!

 

[northwestsupra]

yes making an adapter is really your only option, i was thinking more of like the ebay style manifolds lol

 

[Blackdawg]

Interesting manifold!

Looks like an adapter plate is your best bet. Doesn't look like a 50mm HKS style would fit.

 

[supraguy@aol]

Well, it appears to be a direct treadstone knockoff, or it may even be a treadstone- I don't know if they
put a logo on theirs. the Treadstone unit is supposed to take either a 40 or 50mm. I dunno.

 

[northwestsupra]

it looks like a 50mm to me, do you have a set of dial calipers? if so measure the over all length and width of the mounting area, then the bolt pattern, and the radius of the waste gate hole itself

 

[supraguy@aol]

Um.
See post #1, perhaps.

 

[Moy]

according to the pictures on Treadstone's website, that looks to be a Treadstone manifold. The 7M mani doesn't seem to have their logo on it.

The site also states that it uses a HKS 40mm or 50mm wastegate