![]() ![]() They were stroked to 4 liters, use near unobtainium (to import) MIVEC DOHC heads (only avalible with 6g72's and 6g74's, which those with these heads are extremely rare), use dry sump oiling, among many other modifications. To my knowledge, Mitsubishi has only used 6g75's (well, kind of, I'll explain) in off road racing, I think at Dekar. Interesting, even with the bigger valves, the MIVEC mechanisms (each head has one), the more complex rocker assemblies and the thicker decks of these cylinder head (pictures will be up soon), this only adds 2 pounds per cylinder head ![]() With that said (and I will get pictures when I get everything back), you can use a 6g75 MIVEC girdle with a 6g74 block, it physically bolts on (but my camera was dead when I tried this out)Īnyway, I took some time when I was cleaning my garage and weighed the cylinder heads, without the valve coversĦg74 cylinder head (front head), assembled, unported, weighs 40 poundsĦg75 MIVEC cylinder head (front and rear heads, weighed individually), assembled, unported, weighs 42 pounds My 6g74 block is currently at the machine shop to be checked out and cleaned up (magna fluxed, hot tanked, pressure tested, mating surfaces cleaned), also I am planning on using the MIVEC girdle rather than the 6g74 girdle, so I also handed both girdle to my machine shop (so they can determine if I can use the MIVEC girdle), also I'm using ARP main studs with this combo, so provided the bearing journals are straight enough that some light line honing is required, my 6g74/6g75 MIVEC hybrid is coming together nicely ![]()
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