Well I installed my 3200 governer spring I reindexed my throttle properly. everything is all toghether but. I have no throttle respons what so ever. It will slowly excelerate when on the hwy and when boost kicks in it starts to darts off. But from a dead stop and smashing on the gas it does nothing but slowly move as if I were slowly (and I mean slowly) pressing the gas.

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btw truck is a 1991.5 D250

 

Reinstall the stock spring, see what happens. Might be getting too much fuel, not enough air.

 

Yea I'll need another off day for that... Just asking but wouldn't there be some sort of black smoke?