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Blazer - Carb to TPI (Pics and Questions Inside)

I recently installed a 97 5.7 Vortec into my 82 K10 and also found the fuel to be the most troubling/concerning. Luckily the 87 came with TBI so I bought a new 87 tank with the internal bowl/baffle where the pickup sits. Installed a Delco EP381 fuel pump into a new 87 sending unit and it was a perfect factory fit. I think an EP241 pump would provide the pressure you need. I weighed many different options myself with the fuel lines and ended up using Russell push lock. Heads up though, they ship Parker 836-6 hose so if you have a local supplier just go to them. The - number is the size; in this case 3/8. Use the AN push lock fittings and then get some adapters for fuel rail to adapt to -6 and the rest is just running the hose. I used high pressure hose clamps to attach to the sending unit but plan to get some parker compression to pushlock. I felt the in tank pump would wind up being my best bet and with EBAY found my parts at a very resonable price. The one difference with you is the frame mounted pump. It would be best to find some sort of 3/8 barb that would allow the hose to fit nice. The a bit larger as compared to hard line, but man is it much easier to run.
 
I put my in-line pump much lower and farther forward on my '78 so it had a gravity feed and couldn't drain back and have to suck air. Your pump is quite high compared to your tank .
Just a thought!
 
Electric pumps are made to push fuel not suck fuel. The pump should be mounted as close to the tank as possible and even though it will sit near the top of the tank the short distance that it has to suck fuel is marginal compared to mounting it lower and farther forward which will bring an early death to any electric fuel pump.
 
That's the stuff. I've attached Parker's link to their information on the hose. It works out to about $3 ft. from Russell and I found a Parker distributor that would supply it for $1.60. There was a previous version of the 836 hose that is being discontinued so make sure to get the newer stuff. It appears just like the stuff in your link. Earls makes 16mm to AN6 fittings for the fuel rails which I think is what your rail supply would be. The return may be 14mm. The flexible hose makes it easy to run but like I said it is a little bulkier; generally not a problem though.

http://www.parker.com/hpd/products/search/detail.asp?catdesc=836
 
Thank you for the link. I looked at this hose, but wasn't sure about its strength and resistance to abrasion...when I say strenth I mean flying rocks, sticks, etc...as opposed to psi strength which is like 1000 psi, pleasnty strong:D
 
Hi,

I was feeling kinda funny, then I realized I hadn't asked a stupid question for a while...here we go. I am going to install the painless wiring harness this weekend and am wondering...when I use the wires fomr the new harness that go to the solenoid and starter, what do I do with the wires that were already there from the old harness? Should I splice into them? Take them all the way out of the truck? I mean, won't they still have electricity going to them every time I crank over the engine, even if they are not connected? I imagine I want to make darn sure they don't ground to anything or else I would have a no bueno short, right?
 
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