Help Please? long

[92Rustang]

My car is running like $#%&. It fells like a a carburated car loading up on gas. It is slugish and has back fired a couple of times.

I have about 1000 miles on the top end of the motor. I thought maybe the rr's were loose so I pulled it apart and the rr's are all fine. Now this is my first time adjusting RR's and I had to tighten them to 1 1/4 turns down to get them quiet. It still does sound like a sewing machine, but not tapping.I last adjusted them about 500 miles ago. I have run the car pretty hard since then. It ran fine until about 75 miles ago. It started with not wanting to idle after cold start, but would after a minute or two. Then came the hasation with a small back fire here and there. It fells like a carb loading up on gas.

When I was removing the upper intake I noticed spotty oil on the gasket. Could I have a problem here. I do not have a baffle in the rocker covers and I can see oil going through the cover to TB tube.

The injectors and MAS were used. This is the other tought I had. They were not that used and from a friend that did not have any problems with them.

Sorry so long but I'm lost. Could my RR's be out of adjustment,MAS giving me problems,air leak by the upper intake. Any info would be great. Thanks guys I'm dying to get this think to the track.

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92 GT 5-speed
Windsor Jr,E303,1.7RR,Cobra intake,65mm TB,155lph,24 lbs,75mm MAS,shorties,h-pipe,
2.5 flowmaster,Black magic,Holley adj fuel, 3.73
No times yet. 13.6 before heads,cam,inj,rr
www.fordmustanggt.com