options for upgrading GT-47

7

770johnnyw

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Dec 22, 2009
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wondering whats avalible for upgrading a garrett gt4708....billet wheels, bigger wheels etc etc etc... thanks
 
Forced inductions has a bunch of cast and billet wheel options for the gt 47.
I hear the new billet etr wheels are working really well. I believe they are availible all the way up to 91mm.
 
CurtisEmery said:
Forced inductions has a bunch of cast and billet wheel options for the gt 47.
I hear the new billet etr wheels are working really well. I believe they are availible all the way up to 91mm.
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If i wanted to go tho the gt4718 -88mm i would have to machine the cover correct?
 
the 55 bolts right in place of a 47 doesnt it? thought i read that once ?
 
The compressor cover is the same but I think the turbine housings are larger. But don't quote me on that.
 
Both are T6 open volutes, and I think the v-bands on the CHRA side are the same, but I'd have to check.

Physically the 55 turbine housing will be bigger (111mm vs. 93mm wheel) but the mounting flanges should be the same.
 
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