Patrick. Here's a table I made up when my speedo was out.
Sorry but had to wait to get it from work or I would have sent it earlier.
I have it in excel format so if you want that I can sent it. Then you can just
change the ratios and it will recalculate the cell values. Let me know.
Alan
76 Spitfire
rpm 1st 2nd 3rd 3rd O/D 4th 4th O/D
1000 4.80 7.80 12.09 15.15 16.81 21.10
2000 9.60 15.60 24.18 30.30 33.61 42.19
3000 14.40 23.40 36.28 45.45 50.42 63.29
4000 19.19 31.20 48.37 60.61 67.23 84.39
5000 23.99 39.00 60.46 75.76 84.03 105.49
6000 28.79 46.80 72.55 90.91 100.84 126.58
mph 1st 2nd 3rd 3rd O/D 4th 4th O/D
10 2084 1282 827 660 595 474
20 4168 2564 1654 1320 1190 948
30 6252 3846 2481 1980 1785 1422
40 - 5128 3308 2640 2380 1896
50 - 6410 4135 3300 2975 2370
55 - - 4549 3630 3273 2607
60 - - 4962 3960 3570 2844
65 - - 5376 4290 3868 3081
70 - - 5789 4620 4165 3318
80 - - - 5280 4760 3792
90 - - - 5940 5355 4266
100 - - - - 5950 4740
Original Message:
-----------------
From: D.T.Gebhard kimkell@decaturnet.com
Date: Mon, 22 May 2000 08:13:32 -0500
Subject: Re: Don't want speeding ticket
Pat, On my '77 I'm going 55@3200 RPM...about 70@4000.
Hope that helps.
Dave Gebhard
----- Original Message -----
From: Patrick Baize <speedracre@netzero.net>
To: <Spitfires@autox.team.net>
Sent: Sunday, May 21, 2000 4:24 PM
Subject: Don't want speeding ticket
Hey All,
My Speedo, Speedo cable and Angle drive are all
broken. Got a speedo
from a fellow lister and have a used speedo cable. It
will take a bit
to get the angle drive.
Can any one tell me what speed I am going from what
the tach
reads. I need from 30 to 70 mph in 10 mile
increments. In 4th gear
and 4th with overdrive engaged.
Thanks a bunch!
Pat
63 Spitfire (still in pieces)
74 Spitfire (Honest Trooper, I don't know how fast I
was going)
68 Chevy C10 ( same as 63)
http://www.spitfires.iwarp.com/
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