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05-03-2017, 06:57 AM
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#27 |
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VIP Member
Join Date: Jun 2009
Location: Boulder City, Nevada 89005
Posts: 2,734
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Re: Thermo-quad Tips
.074/.075 primary (Holley) no metering rods
.143 Sec. with .790 Air door OR .137 sec with .750 Air Door (Stock unmodified Air Door specs.) 3 turns on Air Door spring tension These are conservative but will be good baseline in my opinion. Do not modify emulsion tubes! 9800 Series are excellent carbs to start with.....a replacement carb calibrated better than the factory installed stuff.
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John Irving 741 Stock 741 Super Stock |
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