Hi, I wonder if same exhaust as 400HP F? are those F exhausts the same as J , heat provision aside? Thank you for this, follow up encouraged! I vaguely remember seeing 400 HP F somewhere, noting manifolds, and also a friend had a 62 max wedge Plymouth (we rode around nights in 62 or 63 looking for 409 chevs) ; that max wedge had unbelievable manifolds that rose way up as high as valve covers, big arc and then down at a back ; time has blurred all that into a composite or melting,---- not sure they ever put the max wedge manifold in a Chrysler but might have in 61/ 62…
As I remember J I had, it has squared off pipes on manifold , max was rounded, up higher , up direction out of heads, and of course wild heads and ports.
I Remember Hot Rod magazine Spl 300 at 62 nationals got into 12’s. Ray Brock. Torqueflight, first 727 . That was the fastest 300 in my book,--would have won the whole thing, but he was asleep at light at final race against a big Pontiac..which turned a slower time. Getting a 15 or 16 second brutally heavy 300 into the 12’s in 62 staggers me . ------but high end speed like Bud was set up for in 61 is unreal too.
Purely conjecture, on manifolds, long ago…
This is one special G …..
BTW, max wedge blew up twice, the oil pump driveshaft end used to twist off at 6 grand, so much for using a “big oil pump” , no warrantee on max wedge. Gets expensive fast. Later ,----longer, hardened ends fixed that. Probably standard pump later too. Big pumps take more twist to drive, maybe not so smart.
The original cast iron exhaust manifolds are still with the car, similar to the 1963/1964 ram manifolds, except that there are no heat risers, as the ram intake manifolds are water-heated. That would lead me to believe this might be a 400HP 413, like the 300F GT 4 speed Daytona cars.
Posted by: "John Grady" <jkg@xxxxxxxxxxxxxxxxx>
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