bob duffer Posted August 26, 2016 Share Posted August 26, 2016 I was thinking of getting a 6 volt tach for my 34 Buick from Westach.com and was wondering what the main difference is between these .What is good one for my straight 8 ? • 5,000 Rpm • 8,000 Rpm • 3,500 Rpm Link to comment Share on other sites More sharing options...
D Yaros Posted August 26, 2016 Share Posted August 26, 2016 (edited) I know nothing about 34 Buicks. You might want to pose your query in the Buick Pre-war section; below? That said, I cannot envision any 34 Buick engine turning 8,000 RPM. Be surprised if the engine turned 5,000 RPM. The lower the high-end on the scale, the more accurate and easily readable the gauge would be. Edited August 27, 2016 by D Yaros (see edit history) Link to comment Share on other sites More sharing options...
Guest Posted August 27, 2016 Share Posted August 27, 2016 I would think that the 5,000 and 8,000 RPM versions would be useless for your application.......unless you wanted to note exactly what the RPM was when it scattered. Link to comment Share on other sites More sharing options...
bob duffer Posted August 27, 2016 Author Share Posted August 27, 2016 Ok thank you . Link to comment Share on other sites More sharing options...
60FlatTop Posted August 27, 2016 Share Posted August 27, 2016 A 90 degree 5000 RPM one would be the choice since you would be most interested in shift points. You have a narrow band and you can just glance over to see the needle a little right of vertical to make that bang shift. The Buick doesn't lend itself lend itself to road courses where a 270 degree range, 5000 tach would give you a better display over the full RPM range. Bernie Link to comment Share on other sites More sharing options...
padgett Posted August 27, 2016 Share Posted August 27, 2016 Might be building a tribute car for the Red Shafer Indy special (12th in '31) Link to comment Share on other sites More sharing options...
cahartley Posted August 28, 2016 Share Posted August 28, 2016 Get a 12V tach and one of these >>> http://www.powerstream.com/Product9.htm Link to comment Share on other sites More sharing options...
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