Shifting problems after changing carb gasket?

69Tool

Member
Feb 23, 2006
34
0
7
Hello,

I have a 351 W with an FMX in my car. The transmission was shifting fine until I put in a new fuel filter and carb gasket. Since then, the transmission is not shifting until much higher RPM (I don't have a tach so I cannot determine the RPM's). I have checked for vacuum leaks etc. and it appears to be fine. Any thoughts? Thanks.
 
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