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Going from TD06 to T78 Turbo ? Anyone Know Manifold size differences?

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Old 10-11-04, 10:50 AM
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Question Going from TD06 to T78 Turbo ? Anyone Know Manifold size differences?

Ok I am looking into my new turbo for my car I currently have a td06 20g gives good power low end but I am lacking that super punch at the end. Anyways I wanted to know if the T78 will be a bolt on to the orginal setup I have which is just the manifold and dp it came with I have 2 1/2 ic piping . I am new to turbo swaps(I bought the car with a single turbo so I dont know exact dimensions of everythig) so any help is appreciated. Thanks alot. Also Greddy's website was'nt that helpful when it came to specifications.
Old 10-14-04, 09:34 PM
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I'm in the same boat. I'm almost positive The T78 won't bolt on...I can tell you can go to a 25G compressor housing for about 700 maybe less that should allow you to push into the mid 400 range maybe more..I'm talking to a few companies now that can do the conversion...I'll get the info to you if your interested.

I'm having a hard time getting any real answers about the td06-20g turbo performance, Just curious what kind of boost/power/1/4 trap you are getting...I can't seem to get more than 12lbs @ redline...yet I trapped 118mph @ 12.4 with a crappy launch which compares to a similar run I made a long time ago of 11.7 118mph on slicks on a non-seq setup..the day after I dynoed 380hp 330tq....even when I turn up the boost I'll see 17lbs taper down to 12...type r wastegate everything tight and right no leaks etc...just wondering if I hit the limit of the turbo. With boost controller off 12lbs....with the waste gate screw on the type r all the way in 12lbs...am I missing something? I have a very open system....water injected/traction control.

Thanks for any info.
Old 10-15-04, 04:16 AM
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I havent sort out the fuel problems on my car which is running a TD06-25G but what I can tell is in terms of lag at the low end, its almost close to stock sequential.
Old 10-15-04, 07:57 AM
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may want to try the japenese greddy site, it has pics of diffrent turbos, may help, may not.

http://www.trust-power.com/02greddy/turbine.html

http://www.trust-power.com/02greddy/...x_housing.html
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