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tbi fuel pump question

sunnyc123abc

1/2 ton status
Joined
Mar 12, 2005
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SoCal
Could I run my external fuel pump inline with my mechanical pump? I have a 84 k5 and swapping the carb out for tbi.
 
Could I run my external fuel pump inline with my mechanical pump? I have a 84 k5 and swapping the carb out for tbi.

No. The mechanical pump will have a pulse from the diaphram which will screw with the fuel supply for FI. You need to replace the mechanical pump for the proper electric pump.
 
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