Hello Larry,
Yes it is an 8 to 1, 9 to 1's have the same cylinder head, it's the pistons that are different. List as follows, taken from "The XK Engine by David Pollard ISBN 1 85960 0077:-
XK 120 - unpainted, XK 140 standard - unpainted, XK 140 "C" head - red, XK150 3.4 - duck egg green, XK150 3.8 - blue, XK150S 3.4\3.8 - gold, MKV11\V11M - unpainted, MKV111 - duck egg green, MK1X - Blue, Mk X - gold, E 3.8 - gold, E 4.2 S1 - gold, E 4.2 S1\S11 ribbed cam covers - unpainted, 420G - gold, 420G ribbed cam covers - unpainted, 420 ribbed cam covers - unpainted, MK1 and MK2 2.4\3.4\3.4 S Type - duck egg green, MK2 3.8\3.8 S Type - blue, XJ6 - silver.
Al
[ 04-22-2003: Message edited by: piman ]
[ 04-22-2003: Message edited by: piman ]</p>