Re: '89 K1500 engine replacement help
Quote:
Thanks, David |
Re: '89 K1500 engine replacement help
Why not just wire in a new fuel pump relay that isn't triggered by the ECM?
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Re: '89 K1500 engine replacement help
The stock TBI fuel pump is not capable of flowing enough fuel to feed even a 300 hp engine without it going dangerously lean let alone a 400 hp one.
Replace the stock TBI fuel pump with a high volume in-tank pump with a flow rate of at least 255-LPH or an external mechanical fuel pump and a bypass style fuel pressure regulator returning the excess fuel to the tank using the stock TBI system return line. |
Re: '89 K1500 engine replacement help
My stock replacement pump fueled the 406 in my old truck. Didn't run lean, pulled like a train on steroids....
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