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Discussion Starter #1
Howdy my fellow Z brothers and sisters,
I need you help, preferable you that own 72 240Zs.
I need to know what the stock speedo says for top speed, what is the red line, and how fast have you actually gone? This is a little research project I am doing.

Thanks
Joe
 

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Discussion Starter #2
> Howdy my fellow Z brothers and sisters,
> I need you help, preferable you that own 72
> 240Zs.
> I need to know what the stock speedo says
> for top speed, what is the red line, and how
> fast have you actually gone? This is a
> little research project I am doing.

> Thanks
> Joe
HI JOE,
I OWN A 77 280Z NOW BUT USED TO HAVE A 72 UP TO ABOUT 12 YEARS AGO. IT WAS SHOWROOM CONDITION AND RESTORED BY A GUY IN ANDERSON, SOUTH CAROLINA. ANYWAY, MINE WAS STOCK IS WAS TOLD BUT WITH HEADERS. I HAVE NEVER DRIVEN A CAR THAT I LIKED BETTER INCLUDING THE 84 LASER TURBO I OWNED AT THE SAME TIME, THE 97 MITSUBISHI 3000GT I DRIVE NOW OR THE 77 280 I'M WORKING ON.
MY 72Z SPEEDO WENT TO 160 MPH AND ALTHOUGH I ALWAYS WANTED TO SEE HOW FAST IT WOULD GO I BACKED OFF AT 120 MPH WITH PLENTY OF THROTTLE TO GO. HANDLING EVEN ON STRAIGHT LINE SEEMED QUESTIONABLE AT THE VERY HIGH SPEED UNLIKE THE LASER TURBO THAT WAS LOWER WITH MORE POSITIVE HANDLING. THE Z FELT LIKE IT COULD GO AIRBOURNE.
HOPE THIS HELPS
LARRY IN NAPPANEE
 

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I had a72 240 in 91 I was racing an eclipse turbo on the John Young Parkway in Orlando ,Fl, the speedo showed 140 and I stayed with the guy .He finally pulled over and we talked about 15 min.He told me his speedo showed 135mph when we were racing. The car had stock motor with K and N air filters, Header ,2.5 Exhaust,3.7 rear,And a motosport airdam which made car feel better at speed than my current 71 240.Gauges showed 0-160 tach redlined at 7000. Later ,norm
 

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> Howdy my fellow Z brothers and sisters,
> I need you help, preferable you that own 72
> 240Zs.
> I need to know what the stock speedo says
> for top speed, what is the red line, and how
> fast have you actually gone? This is a
> little research project I am doing.

> Thanks
> Joe
Hey Joe, I have a 1972 240 z The speedo goes
to 160 mph. The redline starts at 7,000 rpm and
I've went alittle over 130 mph.But you need alot
of road.
Eric
 

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Discussion Starter #7
> I need to know what the stock speedo says
> for top speed, what is the red line, and how
> fast have you actually gone?

Howdy! I have a '72 240Z. The speedo goes to 160, and
the tach redlines at 7000.

I've only driven it up to about 90 before, although it had most
of the gas pedal left at that speed. I don't really like to push
cars, so I probably will never know how fast it can go. It's
heavily modified for power... fast L28 with aftermarket
exaust, ignition, etc etc. I mostly like it because it doesn't have
to work very much to get me up these steep long mountain
roads. My pickup truck groans and moans and roars along
at 40mph, even with it's 360cid engine.

Hope this helps,
-rr
.
 

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Discussion Starter #9
Re: Thanks guys!

> Thanks alot for your help! I am grateful for
> your input.

> Joe

My 72 speedo and tach read the same as the other postings. I have a 280 block, E31 head with 280 valves, 3xwebbers, Crane HI-6, 5 speed, 15 rims with 215x60 tires. I've checked my speedo against several other cars because of the wheel change and reading 70 I'm doing +/- 74. I've had the speedo reading 135 with some throttle left to go.
Hope this helps!
 
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