Instead of having to purchase new fuel lines, would it be possible to just tap the stock fuel rails for the return line? I can't see why it'd be a problem as long as there is enough material for the fitting to bite into.

Does anyone have any close up pics of the stock fuel rails, or have any stockers sittin around they can take some pics of?

 

not enough wall thickness to safetly do it. if you went straight thread you wouldnt get any bite for a sealing washer. if you went pipe thread it would crack them wide open. you can take some fittings to a welding shop and have them welded on.

 

the time an money you would go through to make your rails work..you may as well purchase the right ones instead...i looked into it as well... ended my ideas in just buying the right product for the job....

 

Stock rails - Free
Fittings - $10
Shop to Weld em - $40-$50

Total - $60 at most

A little effort goes a long way, the cheapest set of fuel rails I've found is about $300 and to me it doesn't seem neccessary for upgraded rails when you are just using them for a fuel return system.

I find paying $1000 for a couple of fuel rails, some ss braided lines, fpr and fittings insanely expensive. I'm sure it would benefit some people to just dish out the cash for the kit, but I'm a DIY kinda guy.

 

ok..well just so you know...the stock rails dont hold nearly the same flow as the upgraded rails... i understand budgeting and all but its better to not spend bad money after good money....(think of it like this...if you dont plan to increase in power or anything after this proceedure you do...then its cool, but otherwise if you want to gain more after this and increase in fuel u may as well just save and spend the money right the first time)

or....you should at least look into finding a decent price on rails or something...

either way...at least your doin it i guess...cant knock u for that..... im not even at that level yet...good luck to ya!

 

Point taken. I never considered flow as a big factor, and I know the stock rails are capable of flowing up to 550 HP, as I've seen on the boards, but I'd like to be as efficient as possible.

I just can't justify spending $350 on rails, I think I'll just bring the stockers to my friend (owns a machine shop) and see what he can do about making me an "upgraded" model.

 

Why don't you see if someone is selling there aps fuel set up for the tank? That is if you're not going for big power and looking a better fuel solution then stock setup. It should be good to 12 psi of boost.

 

I'm looking for 12-15 psi on a built block and the greddy kit. What does the aps fuel setup consist of? Is it just an upgraded fuel pump?

 

It includes a regulator and a in tank return to maintain pressure to the injectors. If you looking at 12-15 lbs of boost I would buy one of the return fuel systems so you won't have any problems. I know someone who was going to use the stock rails like you, they wound up buying a new system. For the power your going for it's not worth it to use stock. You could hurt your new engine.

 

It is a semi fuel return with a walbro pump and pressure regulator right at the pump area with a return right back into the tank, but not a full return with rails.

The stock rails can be modified by welding some fittings on the ends, I have set that never used but rather went with a full CJ system, awesome setup.

 

This is the info I was looking for.

I'm well aware of the more complete fuel kits that are floating around, I just didn't know if the APS was any different than the CJM or the AAM.

The only reason I was concerned with the fuel rail was because I'm perfectly capable of making my own kit out of stainless steel braided hose and some fittings, it's not rocket science. The only tough part would have been the fuel rail, but thanks to help from a few members on the board, I think I'll be all set.

 

Can you purchase the Aps fuel setup seperately?

 

The APS Extreme kit yes, the semi-system I dont think so, as it comes with the standard kits.

 

I have this pictures of the stock fuel rails, with 6N fittings welded:

 

How hard was it to do that?

 

I Tigged a Bung into my stock Rail-with no prob --After the Tig I Brazed a coating of Brass over the weld just to guarantee a good seal. U have to be very sure of routing though

 

I have no idea, just sent my fuel rails to a shop and they did the work, but think isn´t hard to do.