Join Date: May 2003
Location: Houston TX - I drive mine.
What little I know is that the "D" manifolds you found are very comparable to HiPo manifolds. One side will work on a classic Mustang and the other will not. And I think that they came on Comets/Mavericks.
Sorry I can't help any more than this.
1967 Shelby GT350, dark green, 347 stroker, 5-speed, inboards, #2206
1973 Mustang Convertible, white/white, black stripes, Q-code (351C-4V), ram air.
1968 1/2 428 CJ convertible, R-code, red/deluxe red, auto, finally finished.
"If you find the car of your dreams, ignore the price guides and pay whatever you have to in order to get it."