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Main : Mechanical : Body and Interiors 8,000 rpm tacho

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8,000 rpm tacho
8,000 rpm tachoPopular
SubmitterddgonzalMore Photos from ddgonzal   Last Update2003/8/10 5:31    Tell a friendTell a friend
Hits6526  Comments20    0.00 (0 votes)0.00 (0 votes)
Fiat tach fits the 1200 pretty good. This is Datsa73's car.

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Poster Thread
Dodgeman
Posted: 2004/10/12 15:51  Updated: 2004/10/12 15:51
No life (a.k.a. DattoMaster)
Joined: 2003/6/27
From: Southern Tablelands N.S.W. Australia
Posts: 8292
 Re: 8,000 rpm tacho
Kegs
I hope that you took into account that this is a Miles-per-Hour speedo, & not Kliks.
That equates to about 60kph or so & it's my guess that it's in first gear.

Edit. Kegs, Oops, i re-read the whole thing & yes, it was second gear of a five speed as you you rightly point out. Sorry.

Poster Thread
kegs
Posted: 2004/10/12 16:11  Updated: 2004/10/12 16:11
No life (a.k.a. DattoMaster)
Joined: 2003/1/5
From: campbelltown (sydney) australia
Posts: 1804
 Re: 8,000 rpm tacho
ddgonzal says this was done in second gear, and yes i did take into account this is miles.

Poster Thread
ddgonzal
Posted: 2004/10/13 4:34  Updated: 2004/10/13 4:34
Moderator
Joined: 2001/5/3
From: Hawaii, USA
Posts: 30804
 Re: 8,000 rpm tacho
well, lot of factors can affect this.

Your car (or his) could have one or more of these:
- non-standard diff ratio
- differing rear tire diameter
- differing 5-speed gear ratios
- the wrong speedo gears
- tachometer calibration off
- speedometer calibration off

I would say that nearly all of us have the latter. Most speedometers are off.

The Road & Track article from 1970 said this about a stock 1200:Quote:
CALCULATED DATA

Mph/1000 rpm (4th gear)........16.4
That's 66 mph at 4000 rpm. This is magazine test-equipment calculated data, and didn't rely on the stock tach or speedometer. Factor in a stock 4-speed 2nd gear ratio of 2.17, that would be 60 mph at 8000 rpm in 2nd (if a stock A12 could do that).

A typical 60a 5-speed has the same 2nd gear ratio.

Poster Thread
Dodgeman
Posted: 2003/8/27 14:54  Updated: 2003/8/27 14:54
No life (a.k.a. DattoMaster)
Joined: 2003/6/27
From: Southern Tablelands N.S.W. Australia
Posts: 8292
 Re: 8,000 rpm tacho
Forget the knob & look at the tach.
Is it busted, or has some fool got the pedal to the metal while taking a photo?
If so, then it seems like a good way to waste an engine.

Poster Thread
AFRacer
Posted: 2003/8/27 15:29  Updated: 2003/8/27 15:29
Home away from home
Joined: 2002/3/7
From: Little Rock, AR
Posts: 634
 Re: 8,000 rpm tacho
A built A series is meant to run at those rpms, it'll do it forever too without skipping a beat if it was built decent, which I think Ernie has done. Although I'd still like to challenge him in my 1200! Our setups were almost identical, except he's got the sedan, and dual DGV's, I got a coupe and dual DHLA's, everything else was the same for the most part, but it seems he got his running better since 2000....as have I!

-Andy

Poster Thread
Lobster
Posted: 2003/8/27 15:44  Updated: 2003/8/27 15:44
No life (a.k.a. DattoMaster)
Joined: 2002/8/25
From: Canberra, Australia
Posts: 1619
 Re: 8,000 rpm tacho
yeah, what is the deal with the readings on your gauges?

Going 40mph and doing 8 grand?



Poster Thread
ddgonzal
Posted: 2003/8/27 16:21  Updated: 2003/8/27 16:21
Moderator
Joined: 2001/5/3
From: Hawaii, USA
Posts: 30804
 Re: 8,000 rpm tacho
Nyet, the fool taking the picture was me. Ernie had his foot to the floor, but he's no fool.

Yes, 40mph in 2nd gear with the 5-speed is 7500 rpm or so.

This does not wreck an A15.

Poster Thread
Quinn
Posted: 2003/10/9 11:35  Updated: 2003/10/9 11:35
Home away from home
Joined: 2002/10/7
From: Auckland N.Z
Posts: 824
 Re: 8,000 rpm tacho
whats wrong with the orininal tacho and isnt that black nob just the dask light dimmer? or are you all talking about something else?

Poster Thread
ddgonzal
Posted: 2004/6/9 7:23  Updated: 2004/6/9 7:23
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Joined: 2001/5/3
From: Hawaii, USA
Posts: 30804
 Re: 8,000 rpm tacho
Quote:
whats wrong with the orininal tacho
Original 1200 tachometers are very rare in the US. I never saw one back in the day 1200s were still sold on used car lots and still could be found in the wreckers.

Quote:
isnt that black nob just the dask light dimmer? or are you all talking about something else?
The 'black knob' is just a plug in the hole where the trip-meter knob would go. US cars didn't get a speedometer with trip-meter.

Poster Thread
datsa73
Posted: 2004/6/17 6:17  Updated: 2004/6/17 6:17
No life (a.k.a. DattoMaster)
Joined: 2000/1/10
From: Snohomish, WA USA
Posts: 1238
 Re: 8,000 rpm tacho
I should get on here more often.

The tach is right on and 8000 RPM's is good for this motor.

Fun car to drive!

Poster Thread
kegs
Posted: 2004/10/11 17:50  Updated: 2004/10/11 17:50
No life (a.k.a. DattoMaster)
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From: campbelltown (sydney) australia
Posts: 1804
 Re: 8,000 rpm tacho
iwas just looking at this old pic, it seems weird that the car is only doing 63-64 km/h, 40 mp/h, my a12 will do 60 km/h at around 6300 rpm? with a 5 speed

Poster Thread
ddgonzal
Posted: 2004/10/12 2:23  Updated: 2004/10/12 2:23
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From: Hawaii, USA
Posts: 30804
 Re: 8,000 rpm tacho
Sounds about right for second gear, doesn't it?

Poster Thread
datfunboy
Posted: 2004/10/12 4:45  Updated: 2004/10/12 4:45
Home away from home
Joined: 2003/12/12
From: wodonga, victoria
Posts: 235
 Re: 8,000 rpm tacho
my sunny does about 65 in second gear i got no idea what it revs at doing this, but thats about what i get out og second everytime i drive it, doesnt sound as thoough it hurting that much. ill find out what i can get it to do flat stick in second...

Poster Thread
converted
Posted: 2004/10/12 8:55  Updated: 2004/10/12 8:55
No life (a.k.a. DattoMaster)
Joined: 2002/6/7
From: Newscastle, Australia
Posts: 2479
 Re: 8,000 rpm tacho
The stock bottom end on a Sunny will do a 9200rpm spin, but you may have trouble getting it there with a single stock carb and cam with no head work and of course the stock flywheel will probably fall off as well!!!
I rev mine to about 8200 safely....

Poster Thread
kegs
Posted: 2004/10/12 15:43  Updated: 2004/10/12 15:43
No life (a.k.a. DattoMaster)
Joined: 2003/1/5
From: campbelltown (sydney) australia
Posts: 1804
 Re: 8,000 rpm tacho
ok i went and tested my car on the way home from work, i can get just over 70 km/h in second at 6 grand, with a bad misfire, there must be something wrong with the car in the pic, unless this is in first gear ???

Poster Thread
no
Posted: 2003/8/14 21:16  Updated: 2003/8/14 21:16
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From: NorCalifornia, up by Sac
Posts: 332
 Re: 8,000 rpm tacho
Did 1200's in US come with these green knobs? I know they came on the Datsun trucks of the same era. My sedans have black knobs w/ white symbols. I grabed a tach out of one of these mid '70's trucks. 8k tach w/ 7k redline. It had the same looking dash, so I hope it fits. What part(s) send the signal to the tach? Or does it just plug into the harness? Also, is that little black thing @ bottom right of speedo for a trip reset?

Poster Thread
Buff
Posted: 2003/8/15 0:02  Updated: 2003/8/15 0:02
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Joined: 2002/11/30
From: Tas
Posts: 365
 Re: 8,000 rpm tacho
Yeah, Ive wondered about the trip reset button before. Is that what the black plug thing is for?

Anyone got a trip meter or not got the black plug.


Poster Thread
no
Posted: 2003/8/15 2:20  Updated: 2003/8/15 2:20
Home away from home
Joined: 2002/11/10
From: NorCalifornia, up by Sac
Posts: 332
 Re: 8,000 rpm tacho
Buff. You say you need that little black plug? I'll check the wreckers soon, our '70's Datsun trucks have some interchangeable parts and there's actually some still around.

Poster Thread
dattodude
Posted: 2003/8/15 5:27  Updated: 2003/8/15 5:27
No life (a.k.a. DattoMaster)
Joined: 1998/12/6
From: Sydney, Australia
Posts: 5807
 Re: 8,000 rpm tacho
All the coupe dashes I've had, all had the trip meter. Must have been unique to the Ute dashes with the round dials, to not have the trip meter, and instead have a black plastic blanking plug.

Interesting.
Chris

Poster Thread
datsa73
Posted: 2003/8/15 5:43  Updated: 2003/8/15 5:43
No life (a.k.a. DattoMaster)
Joined: 2000/1/10
From: Snohomish, WA USA
Posts: 1238
 Re: 8,000 rpm tacho
The tach is mine. It came out of a Fiat. Modify the rim around the dash, and it will fit right in. I found these tach in the junkyards on a regular basis. They work great.

Poster Thread
AFRacer
Posted: 2003/8/15 11:09  Updated: 2003/8/15 11:09
Home away from home
Joined: 2002/3/7
From: Little Rock, AR
Posts: 634
 Re: 8,000 rpm tacho
The little black button is just a hole behind it, nothing there, must have been some kind of option of some sort. Those green switches to my knowledge only came in 1973 Datsun 1200's in the US and they are fiber optically lit, later B210's had the same switches, and I think the B210 ones can be modded to fit into the 1200 dash easily. I used to have a set for a B210, but haven't seen them for a few years....hidden in a box somewhere I suppose. The speedo seems to be different for 1973 also, 72 and 71 went up to 100mph, but were only marked every 20 mph. Nissan Motorsports USA still sold the stock 8k 1200 tach in their previous catalog, I have found 10,000 rpm stock style tachs here in Japan for the Sunny, but they are around $300. Really just about any 3"-4" diameter tach will fit in that hole.

Hey Datsa73 (Ernie!) I'd love to see how you got that sedan going now that you've had a while to work out the bugs. I don't know if you remember meeting me and going to the Datsun meeting in Kirkland a couple years ago. I may have had the white A15 coupe back then, my current one is silver, but still got the same engine. I remember our setups were very similar, besides the carbs. If I was still in Washington I'd love to give you a run! Talk to you later!

-Andy

Poster Thread
dattodude
Posted: 2003/8/15 2:03  Updated: 2003/8/15 2:03
No life (a.k.a. DattoMaster)
Joined: 1998/12/6
From: Sydney, Australia
Posts: 5807
 Re: 8,000 rpm tacho
It kind of looks like a 510 SSS one. But maybe a 180B SSS one.

Chris

Poster Thread
ddgonzal
Posted: 2003/8/15 2:04  Updated: 2003/8/15 2:04
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Joined: 2001/5/3
From: Hawaii, USA
Posts: 30804
 Re: 8,000 rpm tacho
I've never seen a US 1200 with the green knobs before.

The tacho here is from a Fiat.