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Message: <blockquote data-quote="Mrstangerbanger" data-source="post: 1020765" data-attributes="member: 14445">Ok so here is what is going on.. I have a 95 vert with trickflow H/C/I  and Vortech Blower .. I just finished doing head gaskets on my car and  everything was great car ran great for 2 weeks then I noticed some oil  on the water pump so went ahead and pulled the lower intake and  installed some 1262 Felbro gaskets.. I then also swapped over to some  ford 42lb green top injectors and removed my old 50lb MSD injectors(  Also swapped tune and mass air ) .. So after swapping everything my car  was having a weird problem with going rich out of the blue. So say Im  driving down the street and my air fuel is 13/14air/fuel  and then all  the sudden the car will go 10 air/fuel and bog and I will let off the  gas and the car will go back to normal .. Also sometimes when I go to  put a load on the car like when Im pulling the clutch out the car will  go stupid rich 10.0 air.fuel and then when I start driving it will go  normal for a while then all the sudden it will go stupid rich .. So after thinking it was my injectors I went ahead and swapped back to  my oil injectors and maf and tune and still does it .. So then I  replaced all my gaskets for the T body , Elbow and EGR and it still does  it .. Also the car only has 10inch pounds of vacuum and used to have 20  at idle and when the car does it I loose vacuum like crazy so I was  thinking its my lower intake gaskets but could that happen with a lower  intake gasket?? When the car runs normal its perfect like stock.. Also I  pry its not a headgasket but could a blown head gasket do that even  though the car runs amazing ?? Im a little lost any input would be great  thanks guys sorry for the crazy long post ..P.S Its not the tune no matter if I remove a shit load of fuel through my Maf curve it still does it so I was thinking lower intake leak or upper intake leak but if I was a lower or upper leak I would think it would do it all the time not?Also Hooked up Snap on Solas Pro and got TPS out of range and it was 1.3 volts so all fix that tomorrow but car idles perfect so thats not it .. Other then that no codes</blockquote>