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There are two different methods for measuring octane. The '70's owner manual specified 95 octane. The method used back then gave higher ratings than we have today. Today's premium gas rated 91 or 93 is perfectly compatible with our engines. Now if you want to try middle grade gas and it knocks, you can add 5 ounces of acetone to add a couple octane points.

So today, organized some parts with zKars, welded the broken bar back together for now and went for a spin. Friend Dave took it for a spin and comfirms the Datsun isn't slow and that I must just be use to it now... Thunderstormed out, so I took advantage of 2nd gear power slides around the industrial park before topping up with 94 and going home. Driver's side wiper stopped all motion as soon as the skies REALLY opened up... made of an interesting last couple of miles home. Bolt backed off... good as new-ish.

classiczcars people! jalexquijano has resurrected this thread, from dead. The last post was October 2012 before he began resuscitation. ~2.75 years ago.

And it looks to me like one of the holes is marked, but not drilled? Is that your sync pulse?

They started using the E88 heads around November 1970 so you probably still have the original head. The 240Z in the US had 2 or 3 versions of the E88. Some people say it was 3 versions, some say 2 versions. Dates not confirmed. Might be a month off in the change overs. I. E88 Vertually the same as the E31. Nov 1970 - Aug 1971 II. E88 Port runners redesigned. Aug 1971 - Jul 1972 III. E88 Chambers altered slightly for emmisions Jul 1972 - End 240Z IV. E88 260Z. Emmision chambers and bigger exhaust valve.

I was hoping no one noticed the shifter... I was wondering why it was being stubborn! In the end a little push down on the tranny and it came out with no issues. Didn't catch anything other than the shifter opening in the tunnel. The drain is awesome as my driveway slopes down about four feet to the garage. Now all the water stays out of the garage. Sent from my iPizzle ringy dingy device....

Some progress pics finally:.... Bumper and lights removed Nice rust free spare area! Front grill out! Rad out (yes I drained it first....) Engine and tranny coming out! Empty bay! The coolant is what drained out of the block when I lifted it.... yuck....

I am looking for some help for the A/C system that I am installing in my early 260Z. The car did not come with a/c so I have taken most of the parts from a 280Z and am installing them in my car. My FSM talks about the Fast Idle Control Device that is actuated by one of the vacume solenoids to increase the idle speed when the engine is under load from the a/c. Do I need this item? Is this item similar to the one that is actuated by the EGR valve? Does anybody know where I can get one? Thanks, Skip 260Z, SU's

Kats, you are an honorary Canadian!

I met Mr. Uemura and Mr. Osawa yesterday, they remember me when we had a chat back in 2003. At the interview they kindly let me have production figures 1969 and 1970 we had never seen at the time.That was a great moment for all of us . They told me some interesting new story of the test ride in late 1969 in the US and Canada, I will let you know more later. Remember one of the test car was an 3N71A auto trams? I asked them why the launching auto trans delayed, did they find some problems? They said "3N71A was very good, very easy to drive. They preferred it especially when they drove steep hill in Sanfrancisco area. Just production line was not ready at the time" And in cold wether operation in Canada, they wanted -30 degrees Celsius, but they ended up only -20 degrees Celsius, I asked did the 240Z behave satisfactory under such a cold winter condition, they said no problem at all , but they do not remember clearly about it ,they said sometimes they might put card board in front of the radiator!! I liked it and it made me smile. Kats