Just read an article on the advantages of port plates on the 351 4v. They state that there is about 20 more foot pounds of torque on the lower to mid rpm range. Has any one out there had any experience with them, and are they worth the expense and trouble to install, also will they affect the performance of after market intake manifolds.
Many thanks in advance.
p.s. Great bulletin board.
Original Post
quote:
Originally posted by Paul:
Just read an article on the advantages of port plates on the 351 4v. They state that there is about 20 more foot pounds of torque on the lower to mid rpm range. Has any one out there had any experience with them, and are they worth the expense and trouble to install, also will they affect the performance of after market intake manifolds.
Many thanks in advance.
p.s. Great bulletin board.

WOULD YOU SEND SOME INFO ON PORT PLATE TOO quote:
Originally" TARGET=_blank>WWW.PEAKRC@MSN.COM[QUOTE]Originally
posted by Paul:
Just read an article on the advantages of port plates on the 351 4v. They state that there is about 20 more foot pounds of torque on the lower to mid rpm range. Has any one out there had any experience with them, and are they worth the expense and trouble to install, also will they affect the performance of after market intake manifolds.
Many thanks in advance.
p.s. Great bulletin board.

I hope to let you know real soon! The machinist who rebuilt my motor specializes in building Ford race motors (mostly circle track) and strongly suggested I use them. Said I would be "amazed" at the results. I can't wait to find out for sure. I would also like to hear from someone who has actually used them
I actually flow tested a bone stock 4V head with and without the ports. I've been using them, and they seem to work fine. The best use is for a reusable intake gasket. I can send you the flow data, but the short story...they slightly increased flow across the range. I stopped at .600 lift. Flow velocity must also increase, as the port is actually narrowed. So, they do not hurt and probably help. --Dan H
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