RSI Gen 3 Triple Pump Hangers - pics

[v10kingsnake]

Originally Posted by Doug at RSI

Please see my previous post on this thread where I stated that originally we had no plans to make our own triple pump hanger. We ordered a unit from LEP and after we inspected it, we decided there was not only room for improvement but we felt some of its shortcomings were crucial enough to justify our own design.

Its hard to go into why we didn't use LEP's without looking like I'm slamming on their product and that just isn't how I like to do things. Their product is a great step in the right direction for a first generation design. However, over time, things should always improve, right? Isn't that how the world works? If we all quit innovating where would we be?

Again, my apology if this somehow appears as a slam to LEP, as its not. However, in fairness to everyone, there are several differences between the Racing Solutions unit and the LEP. It appears this needs to be discussed in an organized manner to avoid any confusion, so I will list some things out, drawing factual comparisons between the LEP unit and ours.

1. The LEP piece uses pinned terminals with soldered joints to deliver power to the pumps. These joints could be loosened over time by vibration and fall into the fuel tank and spark. Them being exposed unnecessarily to fuel in general makes me uneasy.

The Racing Solutions piece uses a fuel resistant rubber grommet that the wires are fed through to be wired to a fused relay circuit drawing power directly from the battery. I haven't built the wiring harnesses and relay packs yet but the schematics are drawn up so that the end user or shop doing the work can wire them up easily to relays and the OEM fuel pump circuit.

The wiring harnesses aren't far away and once built will make the system 100% safe as well as being plug and play.

2. The LEP piece uses worm gear clamps to retain the fuel pumps.

We use a CNC machined assembly with retainer screws

3. The LEP piece uses a slot to retain the fuel level sensor

The RSI piece has a precisely CNC machined housing for the fuel level sensor

4. The LEP piece is universal for gen 2 and 3 vipers

RSI Triple Pump Hangers are individually made for each generation of viper to ensure perfect fitment and functionality.

There is a large vent tube that plugs directly into the top of the hanger. Our gen 2 hanger has a port to accommodate this. The heights and level sensor placements are also different.

If we felt like the right way was to use one hanger for both cars it would be done.

5. LEP utilizes brass fittings threaded into the "hat" of the assembly with a "chamber" where all of the pumps pressurize and feed into one of 2 (depending on power level) fittings to distribute fuel.

RSI uses 3 -6 lines to send fuel to a distribution block on the way to the fuel rails. The underside of our "hat" connects the pumps via ports machined into the "hat". This eliminates the need for brass fittings.

Look at the pictures or come to our shop and I'll show you in person the two assemblies side by side.

So did you put the LEP part, you thought to be inferior in a customers car?

[b3rndtt0ast]

he said in a early post it was still on his shelf.

[cowboy bebop]

Originally Posted by v10kingsnake

So did you folks have any input regarding other portions of RSI's notoriously "hot" fuel system setups as well.

No, this is the first time we've been commissioned by RSI to produce a billet item from scratch ie no drawings, no sample, just a stock part and a lot of imagination. On my side of it, I'm in production and distribution with a small motor program unrelated to Dodge. Just to put it out there, we supply fuel components for many platforms whether it be rail kits all the way to billet hangers. Stem to stern as it were. We've never had a failure.

Thanks again,

Eric

[v10kingsnake]

Originally Posted by b3rndtt0ast

he said in a early post it was still on his shelf.

My bad.