tach jumps when i give it gas

[slod16]

i just did a gsr swap and when i give it gas to a certain point it jumps around? And also when i was going like 40 mph it misfired what cause misfire...details as of now i have yet to hook my o2 sensor up

 

[slod16]

....?

 

[1997EK]

Why not connect the O2 sensor and see if the problem remains?

 

[NikkoGodfather]

Why not connect the O2 sensor and see if the problem remains?

+1

 

[slod16]

lol that takes work lol no it ended up being a loose dizzy car runs great honestly a lil more power than i expected