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1985 Mustang SSP running out of power at 2,000rpm

698 Views 5 Replies 2 Participants Last post by  RLG34750, 
1966GT350H
i looked around and couldnt seem to find anything on this.

i have a 1985 sever service package mustang. it has the factory 3.08 gears, stock 5.0 with 4bbl and 5 speed.

when driving it has great power from the start but seems to run out of power around 2,000 rpm. it will keep going right up to 4,000 but it doesnt pull very hard. it does this in all gears.

driving 65 on the highway in 5th it will pull around 3,000 rpm and almost feels like its fighting to stay at that speed. i have checked and it is 3.08 gears in the car for sure.

any ideas on what could be causing this?
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G
Have you done a tune recently......:headscratch:
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1966GT350H
did plugs, wires, cap, rotor, carb rebuild, oil, filters, and coolant. nothing seemed to improve.


is it possible that it has the wrong 5 speed in it? say out of a 4 cyl fox?
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T
check timing. i had same problem with honda.
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1966GT350H
hmm never thought of timing, ill have a go at that and see if thats the problem.
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G
timiing could cause the problem.....
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