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Having owned DOHC cars (Lotus, Jag), I think there are too many moving parts and torque curve is at too high RPMs.

But, I have three cigarette lighters and three (left after removing one) cup holders.



while thats true about DOHC in general....i have no issues with my SR. it doesn't have diesel low end but its got plenty of tq at 2k to move itself.


Miata DOHC engine goes forever. There was a guy on Miata.net with over 400K miles on a 1.6L 4 banger! Original drive train <img src="/forums/images/graemlins/kewl.gif" alt="" /> In fact when you think about it, does my 3.5L SHOC 24V mitsu engine really have less moving parts than a 3.5L DOHC 24V mitsu engine?


I have about 265K on the 6G72 DOHC that is in my Diamante. Unfortunately I think I have discovered Wal Mart synthetic oil is not equal to Mobil 1 since a noise has developed deep in the engine when one revs it. It could be a failed belt tensioner or the early signs of a rod bearing going. It is tough to tell but I think a quarter million miles is OK for one of these.

Cheers, Charlie
If It ain't broke, Modify it!
87 Montero turbo Converted back in Spring1989
95 Montero SR 3.8 DOHC Only one?
93 Pajero 3 door 6G75 Mivec with paddle shifted 5 speed
Then a Gen2 SR with full coil independent suspension.