if you can make that upper plenum bolt to a 4bbl on the opposite of the engine bay, ill consider it.

 

Holset uses it's own flanges so you will need to buy one specifically for it. Luckily there's a guy who sells them for a reasonable price on ebay. This is the one you need http://cgi.ebay.com/ebaymotors/Holse...2em118Q2el1247. It's the same size opening as a T4 but bolt holes line up a bit different.

How high do you plan on spinning that thing? Not to dog on your project but I don't think that HX55 is going to spool very good on that motor unless you're turning it over 5500rpms. I'm running an H2C on an SBC 350 V8 that's sized just about right... I would consider an HX55 even a little big for my own use.

 

thats not a hx55 flange ******

 

did you measure?

 

Heres the garrett t04e Im running on my truck next to a T46B for a large cummins. The T04E uses a T4 flange. I have no idea what the T46B is but its ------- huge.

 

You're right, i misread the thread last night. Glad to see you appreciate the attempted help . The HX55 flange is very unique, most people fabricate their own or you can buy them from Turbo Performance Systems (TPS) you can contact them at 770-975-8100, I think they ask about $28 for them.