Bit of curiosity here March 14, 2016, 01:31:38 AM What size is the throttle body opening on the SO upper intake? Quote Selected
Bit of curiosity here Reply #1 – March 14, 2016, 11:36:18 AM 50 mm.Mustang H.O. is 60mm. 90's 5.0 Explorer/Cobra Mustang/ "GT40" spec is 65mm. Quote Selected
Bit of curiosity here Reply #2 – March 14, 2016, 02:09:54 PM The intake opening is closer to 60mm on the SO uppers I've seen, throttle body and EGR spacer are 50mm... HO opening are larger than SO... Quote Selected
Bit of curiosity here Reply #3 – March 14, 2016, 03:05:21 PM Oops yeah he did say "on the intake". Would make sense that the intake manifold itself would have a slightly larger opening. Quote Selected
Bit of curiosity here Reply #4 – March 15, 2016, 03:20:45 PM Intake manifold openings are as follows:SO upper is ~60mmHO upper is ~65mmExplorer/GT40 upper is ~70mm Quote Selected
Bit of curiosity here Reply #6 – March 17, 2016, 08:30:54 AM ....and the Trick Flow Streetheat/Trackheat pieces have a 75 mm opening if anyone wanted to know..... Quote Selected
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