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FE Technical Forum / Re: Cut down 427 "tulip" valves in a 428CJ head..
« on: January 29, 2022, 09:27:40 AM »
Years ago I found a smokin deal on a set of Manley tulips for a 427 LR. At the time I was mud dragging a std bore 390 so I cut the valves until they fit in a 4.054 cylinder. Ended up with 2.150 and 1.65. Sent the valves and a set of beat down C4-G castings to Les Schmader.
He came up with some pretty decent flow:
235/181@.300
285/200@.500
295/203@.600
300/205@.700
They worked well with a port matched Performer RPM and an 830 Nascar carb. Won a few races too.
He came up with some pretty decent flow:
235/181@.300
285/200@.500
295/203@.600
300/205@.700
They worked well with a port matched Performer RPM and an 830 Nascar carb. Won a few races too.