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HKS SS Turbo Exhaust Manifold


rjp280

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Does anyone run or know the specifics of the HKS turbo exhaust manifold for the L28?

 

From what I have been able to find (which was very little), they are no longer made, but had a T3 flange.

 

Do they fit the left-hand drive cars or only the RHD models?

 

Any suggestions on what wastegate to use?

 

Thanks in advance!

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I don't recall now which flange was on the stainless steel cast manifold, but given HKS's penchant, I would guess it's more of a T4 flange than a T3 given the state of turbo technology at the time.

Wastegate will be any of the 'sandwich' configuration units Deltagate, Rajay, Old Turbonetics...though I believe the idea was to have internally-gated turbos from HKS to use on the thing.

 

Photos? If it's hanging the turbo anywhere near stock location, it's universal LHD/RHD though when they were available HKS was more "JDM Oriented" than export on major components like that... It was part of a kit.

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HKS_manifold1.jpg

That looks to be a tubular manifold, not a cast unit as I was thinking. They made a cast one as well, as part of a conversion kit.

This one is something different. That may well have LHD Mounting Issues. Drop it in and see.

If it does, I got three RHD Cars it would probably fit on! LOL

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That is Greddy header not an Hks. It is flanged for one of the Greddy turbos like 20g or something if I remember right. I got rid of the flange and welded t-3 flange for turbo and two bolt flange for tial w/g. There was no fitment issues with steering shaft however my t-67 compressor housing was too big to clear engine mount so I had to shave it some and I was not able to run air filler on it. Here are some pictures of mine (now slowrustys):

 

car_085.jpg

car_076.jpg

car_067.jpg

car_066.jpg

car_065.jpg

DSC01680.JPG

DSC01679.JPG

DSC01684.JPG

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