Best Replacement Fuel pump?

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Lattimer

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New here and got a question. I searched a bit but didn't find the exact answer I needed.

I recently picked up a 1994 full size Blazer, 350, 4x4, automatic. It has 200k on it, and I'm going through the truck in detail before I put it on the road.

I want to replace the fuel pump just for GP. I've read a few times that there is a "better than stock" replacement fuel pump that should be used, but I haven't found a part number or direct link to what I should look for.

Can anyone help?

Thanks!!!!!
 

98 Nitro

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Nothing wrong with stock pump but Tbi owners often put higher pressure pumps when they are changed out because they are upgrading heads, cam, intake. Stock delco/delphi Tpi, vortec truck, or even 94-95 Tbi big block pumps are used.
 

Tachyon

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For future reference of anyone reading this, the other pump option is Bosch - P/N 67379

I've also seen guys that modify their trucks do a hack where they take out the old fuel pump module, replace the pump with a piece of hose, and install an external, frame mounted, high volume, generic FI pump from Carter, Bosch, etc. This way they never have to drop the tank again plus they can switch to a higher volume pump if they add more HP up front. Haven't tried this, can't recommend for or against it, just sharing what I was told by a couple of old-timers I trust.
 

Oldguy

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I remember reading that this approach would increase the noise level significantly. I have not done it so I cannot say how bad that is. I have replaced the fuel pump in my '96 Sierra and did so by cutting the bed to gain access versus taking off the bed. Doing it alone that was the only way. The 1/16" cut line opening just makes a way to drain out water now. If I have to replace the pump again it is a simple matter of taking out a few screws for access. This is probably not the purist way to do things but, Hey, what's an 'ol guy to do?
 

someotherguy

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It's all Chinese crap now, unfortunately, but you buy AC Delco or Delphi and hope that their QC guy is paying better attention at the plant. You'll have a better chance at getting a good pump vs. buying any other brand.

Richard
 

Oldblue98

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It's all Chinese crap now, unfortunately, but you buy AC Delco or Delphi and hope that their QC guy is paying better attention at the plant. You'll have a better chance at getting a good pump vs. buying any other brand.

Richard
Replaced mine with Bosch 7 years ago knock on wood. Seemed easier to me to lift the bed and ease it back a little. I know at that time Bosch pump was pricey but was getting good reviews.
 

shorepatrol

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Mine crapped out years ago right after I got my truck. I paid a STUPID amount for a Delphi at Napa as I needed it fixed that day. Been great since.
 

Tachyon

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I remember reading that this approach would increase the noise level significantly. I have not done it so I cannot say how bad that is. I have replaced the fuel pump in my '96 Sierra and did so by cutting the bed to gain access versus taking off the bed. Doing it alone that was the only way. The 1/16" cut line opening just makes a way to drain out water now. If I have to replace the pump again it is a simple matter of taking out a few screws for access. This is probably not the purist way to do things but, Hey, what's an 'ol guy to do?

Yeah, there's quite a few good YouTube videos on cutting a trap door in your bed/floor for fuel pump access and if you're planning on keeping one of these trucks for any length of time, you might consider it because you will eventually be replacing the fuel pump.

I'm thinking of doing this myself once the snow is gone, but I want to plan it out so I can do it right and make a door that seals make up tightly and securely since I have a Suburban and exhaust fumes are a concern.
 
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