Originally Posted by
lively
You need to know what your fuel PSI is . That's where you started and that's what has been touched , the pumps may be too much . . As too speak to a tech and get a opinion , but I would want to know fuel pressure and then start there , cause it sounds like there is too much fuel pressure and it's just dumping . Look at the TBI open the air filter and look as it's running . Smother it with a rag and see if the two boosters are still feeding fuel .
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You said it has to be at least 30psi at the rail right?
Zk
'92 Comp ts6m - 5.8 PCM Pro Boss Carb
'02 Launch SS - 5.7 Indmar Assualt TBI