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Old 10-10-2021, 09:23 AM
65arboc 65arboc is offline
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Join Date: Mar 2021
Location: Warren, PA
Cobra Make, Engine: Factory Five MK 4 289 HI Po with Webers
Posts: 19
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Here are my final specs and the engine is running great like never before. Just a little rich at 1000 rpm idle.

Engine is a 289 bored .030 over
Heads are iron stock but with upgraded valve seats.
Manifold is from Redline Weber
Mild Grind Cam from Comps
Carbs are 48IDA
Choke are 37mm
Idle jet holder-120
Idle Jet-F-10-65
Air Corrector Jet-195
Main Emulsion Tube-F-7
Main Jet-180
Pump Exhaust Valve is Non Ported

Hope this helps someone else.

Jim in Pa

Last edited by 65arboc; 10-10-2021 at 09:27 AM..
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