Quote:
Originally Posted by GTX JOHN
I will not run the aluminum manifold on
any of our cars even if legal. Our Iron stuff
is faster on our cars in testing. I will be just
as pleased if it is outlawed...... as far as we are concerned
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The factory iron stuff is pretty stout....on my 383, holley aluminum intake versus a AS DELIVERED iron intake, ie not touched, stock, no difference other than weight of course.
The only advantage of the LD340 I have seen over the years is ease of lifting it out, when you are doing head gaskets, and it "looked" faster, and was cheaper than trying to find the correct year #s manifold when doing a restoration. One less thing to paint.
Eric