RPM Question - JeepForum.com

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post #1 of 2 Old 05-13-2013, 09:33 AM Thread Starter
lugnut28's Avatar
1985 CJ7 
Join Date: Jul 2006
Location: Morganton
Posts: 265
RPM Question

I just had my original tach rebuilt to work with the Mopar fuel injection kit. The RPM'S seem a little low. What readings do you guys get at 45, 55 and 65 MPH.
Engine - 258
Trans - T-176
T-case - D300
Tires - Stock P235/75R15
Thanks for your help in advance

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post #2 of 2 Old 05-13-2013, 02:50 PM
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1977 CJ7 
Join Date: Mar 2011
Posts: 3,865
You need your gear ratio too. THAT will affect things greatly.

I'd rather be lost on the trails than found at home!

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