Quote:
Originally Posted by 77 TRASHCAN
I'm an expert at nothing....but.
Jim Hand, in his book states that (NEARLY) all "D" port heads have the same port shape and volume. (intake volume 153 cc's)
As J.C. mentioned 6X heads would be a better starting point, and they are plentiful, and not usually expensive...
|
"Nearly all" ....ok. Perhaps a misleading statement in his book.
If one had a 17 head with a 1.96 intake and then installed a 2.11 would the machining process of opening up the seat area alone increase the intake port volume?
__________________
1963 Cat SD Clone (old school) streeter
1964 GTO post coupe, tripower, 4speed (build)
1965 GTO 389 tripower, 4 speed, driver
1966 GTO dragcar
1966 GTO Tri power, 4speed, barn find
1966 GTO Ragtop
1969 GTO Judge RA lll, auto
1970 GP SSJ
1970 GTO barn find..TLB…390 horse?….yeh, 390
1973 Grand Safari wagon, 700hp stoplight sleeper
525ci DCI & 609ci LM V head builds
Factory stock oval track car
|