- Mar 28, 2009
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ok i installed long tube headers withoff road h pipe on my 1991 gt but when i drove my car i notestthe roms go up to 2000 when im at a commplete stop ive sprayed throttle body cleaner and cant find nothing, any ideas of what it could be also i took off the hose that connect to my smog pump and pluged my heads also my timing its at 14 degrees i believe and i dont have my o2 sensors on yet , any ideas , please i need help im desperate to fis my car already