Need info on porting Cobra upper/lower intake.
I need information on porting cobra/GT40/explorer intakes. I would like to see some pictures if anyone has any of what the ports should look like before and after porting.
The best thing to do to the lower is match the ports to a Fel-Pro 1250 Intake Gasket. Put the gasket up to the intake and stensile (I hope that is spelled right) the size of the gasket to the port - most people use dye.
The upper is hard to pot unless you can re-weld it back together. One thing you can do though, is send it to Extrude Hone and they can smooth the upper for you.
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