Ours is 3" in and out. No good testing now as the compound is in pieces on the bench and the little single will be up and running this weekend.
Justin
going to run this one eBay Australia: Buy new & used fashion, electronics & home d for now, while I rebuild a VNT . Wont be till next year though.
Justin
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						The 4HE1 turbo (700716 code) with an adapter plate will be even better:
http://www.aulro.com/afvb/isuzu-land...ml#post1714572
http://www.aulro.com/afvb/isuzu-land...ml#post1743959
It has the same exhaust turbine, smaller A/R exhaust housing and a bigger compressor wheel than the one you linked to. But they are dearer and may still push enough torque down low to rumble.
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