86 gt....not reaching full power/rpm
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2nd Gear Member
Joined: May 2008
Posts: 287
86 gt....not reaching full power/rpm
my gt was backfiring and bearly reving ....
i changed the upper plenum and lower intake manifold gaskets now it dosent backfire but it will not reach full rpm and sucks at holding a idle i played with the timing and the most its done is cure the backfire
the most rpms im getting is aroung 4000-4500....have not drivin it becuse it wont rev or hold a good idle i had it holding the iodle for a while but still wouldnt rev im lost can any one help?
has new plugs and fuel filter
new rotor
i changed the upper plenum and lower intake manifold gaskets now it dosent backfire but it will not reach full rpm and sucks at holding a idle i played with the timing and the most its done is cure the backfire
the most rpms im getting is aroung 4000-4500....have not drivin it becuse it wont rev or hold a good idle i had it holding the iodle for a while but still wouldnt rev im lost can any one help?
has new plugs and fuel filter
new rotor
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junior04
4.6L (1996-2004 Modular) Mustang
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Sep 28, 2015 10:53 AM
