Author Topic: Won't go over 55 mph  (Read 4421 times)

Peyton

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Won't go over 55 mph
« on: July 13, 2014, 05:56:17 am »
Anyone know why my cj 7 looses power at 55 mph I have 258 auto trans. Replaced all Spark plugs wires distributor cat and vacuum lines. I did leave vacuum advance n power boaster. I'm being told their should be one for trans but can't find one anywhere.
Thanks
Dave
Peyton

PaulW

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Re: Won't go over 55 mph
« Reply #1 on: July 13, 2014, 10:13:07 pm »
Is it physically shifting into high gear?
04 TJ, bastard lift, 33's, winch, bumpers, dents and scratches and it's not even paid for yet!  Paul Wilks.

Peyton

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Re: Won't go over 55 mph
« Reply #2 on: July 14, 2014, 10:30:12 am »
Yes just no power after 55 below 55 it's good
Peyton

PaulW

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Re: Won't go over 55 mph
« Reply #3 on: July 15, 2014, 01:17:00 am »
It's not revving to 5000 rpm at that speed?
04 TJ, bastard lift, 33's, winch, bumpers, dents and scratches and it's not even paid for yet!  Paul Wilks.

Peyton

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Re: Won't go over 55 mph
« Reply #4 on: July 17, 2014, 12:15:47 pm »
No I'm only turning about 1700 rpm I'm thinking it may be my carb
Peyton

SteveTheFolkie

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Re: Won't go over 55 mph
« Reply #5 on: September 22, 2014, 06:40:24 pm »
late to the dance - but when was the last time you changed the fuel filter?  Could just be starving for gas.