Hi everyone,

I'm getting ready to drop my Apex'i GTR33 fuel pump in tomorrow morning and get dyno tuned, and I have a few questions/concerns that are kind of bugging me:

1) Is it OK to have the pump hanging directly off of the stock fuel tree with no rubber isolator? This looks like the easiest way to fit the pump with the fewest number of modifications, but I didn't know if this would cause weird grounding issues or other unforeseen problems. It utilizes the 'hooks' on the bracket to secure against the edges of the pump.

2) The fuel sock that came on the pump from Apex'i looks way too tall to fit into the tank and seems like it will bottom out against the tank. I retrofitted the fuel sock from my old Walbro onto the GTR33 pump - is it possible that I will experience any flow restrictions using the smaller Walbro sock on the high flowing R33 pump? I know I'm probably overthinking everything, but I just want to be sure everything is perfect.

3) I've heard that the coating on some crimp connections will deteriorate when exposed to fuel - are there any specific type of connectors that I should be using to splice into the stock fuel wiring harness?

4) I don't know what fittings/spacers/o-rings are used with the factory setup, but the previous owner used a long plastic spacer around the pump outlet and an o-ring to seal up inside the feed hard line. It seems kind of bunk but I never had any problems with my old pump, should I look into alternative seating methods?

Thanks in advice!! I'm hoping to get some solid replies from people that have in-depth experience with fuel systems. I will be posting a few pictures for reference.

 

Pump resting on bracket:



Bottom of pump:



Spacer for fuel hard line:



Another shot of the pump resting on the bracket:

 

Looks fine, that's similar to what I did back in '02

 

I'd solder any connections.