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Author Topic: sizing injs for turbo  (Read 2163 times)

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Offline shmed

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sizing injs for turbo
« on: October 22 2014, 04:38:58 PM »
is there a chart or guide that explains how to choose the correct size injs when upgrading the turbo
thanks
dave
« Last Edit: October 22 2014, 05:15:29 PM by shmed »
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Offline Scoobum

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Re: sizing injs for turbo
« Reply #1 on: October 22 2014, 05:35:26 PM »
Not sure...but 60's will crack the 9's with alky...and mid 10's are the max for 60's with race gas with a 60 series turbo. :) What size turbo...and how fast you wanna go...and with alky or race gas?
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Offline motorhead

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Re: sizing injs for turbo
« Reply #2 on: October 22 2014, 06:34:26 PM »
http://www.promracing.com/injector.php/

I allow for a 20% fudge factor in N/A engines, and 40% in most boosted applications (especially in a closed loop tune).
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Offline motorhead

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Re: sizing injs for turbo
« Reply #3 on: October 22 2014, 06:36:12 PM »
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Offline Top Speed

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Re: sizing injs for turbo
« Reply #4 on: October 23 2014, 07:44:47 AM »
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Champion Irons w/T&D roller rockers, TA-61 turbo, 206/206 Comp Cam,  57 lb/hr Siemens Injectors, 3000 stall PTC, PTE Plenum w/RJC Power Plate, 70 mm Accufab Throttle Body, RJC 325 Megacooler, TurboTweak 5.7/ Alky Control w/M1 methanol, 23 psig on the street, Puddn' Power engine, Borla Exhaust

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