I have had search but had no luck.
I am just wondering on the valves sizes on a cooper s (11 stud jobbie) head and also other after maket valve sizes (i.e stage 2/3 head)
valve sizes
Started by
minimole
, Jan 11 2006 08:16 PM
2 replies to this topic
#1
Posted 11 January 2006 - 08:16 PM
#2
Posted 11 January 2006 - 09:52 PM
not sure of the actual figures but keith calvers website has different stage heads and they say whay the valve sizes are.
I think that a cooper s head is roughly a stage 3....i think
I think that a cooper s head is roughly a stage 3....i think
#3
Posted 11 January 2006 - 11:10 PM
Cooper "S" heads have 1.4" inlet and 1.21" exhausts
Austin 1300 GT (11 Stud) & MG Metro (9 Stud) heads have 1.4" inlets and 1.15" exhausts
1275 GT heads have 1.31" inlets and 1.15" exhausts, as do must other metro heads
Austin 1300 GT (11 Stud) & MG Metro (9 Stud) heads have 1.4" inlets and 1.15" exhausts
1275 GT heads have 1.31" inlets and 1.15" exhausts, as do must other metro heads
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