ok I managed to acquire an head from a local scrap-yard for a very good deal.... My aim being to do a little "psychiatric re-arrangement" on my Ute, but without it having to be out of service.

The engine in question...



A15, stock block ,chopped rods and running a shim-plate with Langley pistons on 20Thu.

GT1749 Turbo, Custom inlet and a set of 4AGE injectors. Gotech MFI for the brains...

this setup runs perfect, has been for almost 1.5 years now.... so I guess I shouldn't screw with it, since it ain't broken... hmmmm how boring... :)

it's able to run 1.1 bar's boost on some rather crappy "horse urine" for fuel we have here (93RON).

my aim is not to increase flow with this exercise, but rather to increase the engines stability under boost, IE. to get the chambers such that I can actually add more timing to the boost I am running at now....






obviously that could also be construed into me wanting to run more boost... but I promise... that is not it

now my question... is this head a good head, it has 29mm exhaust-valves and 35mm inlet's and it runs double valve springs.... I'm not sure whether that is std on all heads. No markings or numbers of any kind that I can see....