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- May 22, 2011
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The little housing helps but i bet its not as big of a deal as the high pressure, being a small turbine wheel in the vgt, plus the vgt, and a decent wheel in the small turbo, it all adds up for fast spool up and good towing, i mean really you could tow on the high pressure alone in theory.
Now being able to drive the low pressure earlier helps with the higher HP towing ablilities, since the high pressure is already flowing a decent amount of air, i dont think the housing on the big turbo is going to make much of a noticeable difference.
HOWEVER im going to try and tow with a 71 vgt, i think custom tuning could make it happen, probably not 10k heavy but we will find out eventually.
yeah, thats why im swapping housings, get the old bp down a lil bit, prolly see a small dip in egt as well. only one way to find out since settlemire lives 2500 miles away.