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Site with a MoparTach-Mph-Road speed readout? #1647986
07/18/14 07:22 PM
07/18/14 07:22 PM
Joined: Feb 2010
Posts: 18,493
Granite Bay CA
Kern Dog Offline OP
Striving for excellence
Kern Dog  Offline OP
Striving for excellence

Joined: Feb 2010
Posts: 18,493
Granite Bay CA
I'm looking to get an estimate of the different RPMs I'll spin with different gear ratios. Its been awhile but someone here posted a link to a site that used an image using a Challenger or Barracuda tach and speedo. Anyone able to help on this?
I'm running 3.91s in the Charger. (3.05 in OD) I may switch to 3.55s.
Thanks, Greg

Re: Site with a MoparTach-Mph-Road speed readout? [Re: Kern Dog] #1647987
07/18/14 07:36 PM
07/18/14 07:36 PM
Joined: Jan 2003
Posts: 32,947
Grand Prairie,Texas
stumpy Offline
I Win
stumpy  Offline
I Win

Joined: Jan 2003
Posts: 32,947
Grand Prairie,Texas
In the tech archives which has lots of other good info. link is at the top of every page here.

http://vexer.com/automotive-tools/speed-rpm-calculator

Re: Site with a MoparTach-Mph-Road speed readout? [Re: Kern Dog] #1647988
07/18/14 07:54 PM
07/18/14 07:54 PM
Joined: Dec 2010
Posts: 12,375
SoCal
MuuMuu101 Offline
I got lucky at Woodward!
MuuMuu101  Offline
I got lucky at Woodward!

Joined: Dec 2010
Posts: 12,375
SoCal
I usually use this one. It works great if you know your trans ratios.

Re: Site with a MoparTach-Mph-Road speed readout? [Re: stumpy] #1647989
07/19/14 01:24 AM
07/19/14 01:24 AM
Joined: Feb 2010
Posts: 18,493
Granite Bay CA
Kern Dog Offline OP
Striving for excellence
Kern Dog  Offline OP
Striving for excellence

Joined: Feb 2010
Posts: 18,493
Granite Bay CA
Quote:

In the tech archives which has lots of other good info. link is at the top of every page here.

http://vexer.com/automotive-tools/speed-rpm-calculator





That is the one. Thanks a bunch!

Re: Site with a MoparTach-Mph-Road speed readout? [Re: Kern Dog] #1647990
07/19/14 05:52 AM
07/19/14 05:52 AM
Joined: May 2008
Posts: 5,399
Aurora, Colorado
451Mopar Offline
master
451Mopar  Offline
master

Joined: May 2008
Posts: 5,399
Aurora, Colorado
That is a cool page, have to book mark that one

Re: Site with a MoparTach-Mph-Road speed readout? [Re: stumpy] #1647991
07/19/14 06:30 PM
07/19/14 06:30 PM
Joined: Oct 2005
Posts: 397
Colorado
H
Hem1orange Offline
enthusiast
Hem1orange  Offline
enthusiast
H

Joined: Oct 2005
Posts: 397
Colorado
I'm restoring a 68 Charger and this tool is great!


Ron

Re: Site with a MoparTach-Mph-Road speed readout? [Re: Hem1orange] #1647992
07/19/14 06:52 PM
07/19/14 06:52 PM
Joined: Jan 2003
Posts: 3,575
The Netherlands
BigBlockMopar Offline
master
BigBlockMopar  Offline
master

Joined: Jan 2003
Posts: 3,575
The Netherlands
If you want to view it 'full screen', I've put up this tool a while back on our Dutch Mopar website;
http://www.mopar.nl/tach23.swf

Re: Site with a MoparTach-Mph-Road speed readout? [Re: BigBlockMopar] #1647993
07/19/14 08:12 PM
07/19/14 08:12 PM
Joined: Oct 2005
Posts: 397
Colorado
H
Hem1orange Offline
enthusiast
Hem1orange  Offline
enthusiast
H

Joined: Oct 2005
Posts: 397
Colorado
Very Cool!

Ron







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