Engine Drivetrain 1st Gen Cooper S Most liked posts in thread: Return Style Fuel System

Yep, Nitro is the guy to talk to :cornut: He will be hangin at my house this weekend, hopefully I can get some secrets from him :lol: Can't wait until we can get him to move here. His garage will be my second home :arf:

 

Don at DMH motorsports in NY did it as well.

he used to be on NAM till he threw in the towel on the whole internet forum thing. But he's still doing stuff like that. There are a couple more as well, but I don't remember right now...

Matt

 

I've done it on my car, it's NOT going to be cheap but what ever is? You don't need it unless you plan on going for very big hp

 

Don is an interesting guy

He was on NAM for a while, but didn't like how the internet forum world worked, especially with the hotly debated MINI market. And no, he's not at the cheap end of the spectrum either. But it's always good to know about more options.

Matt

 

you could also call Tim Marren, Marren Fuel Injection. he used to build, prep the RSR MINI's. Grand Am doesn't allow this mod, but Tim knows MINIs and fuel systems!

 

this is where you are wrong...........all the RSR cars have return systems on them. Grand AM has never cared about modifying the fuel systems as you have to add race tanks anyways

 

Not necessary to run a return from the front of the car off the fuel rail. I, and other racers and done the return right from the aftermarket regulators.

 

Used a 6 but would re-do it in an 8.
Yea, I would say that 90% of the regs I have seen are under the hood, but that was also for ease of reading the reg fuel pressure via dial I think.

 

To those of you that know this better than I how about explaining what a return style fuel system is along with the pros and cons of using such a system not forgetting why one might want or need such a mod for a MINI please.

 

You do not need increased power levels to take advantage of a live fuel rail. A misconception from some. It is easy to do not complicated another misconception from some.

The easiest is to remove the valve at the end of the stock fuel rail and weld an AN fitting. A simple line to the rear of the MINI and tie into the fuel overflow at the filler pipe. Clean and simple. You can add regulators and better quality fuel lines if you want.


The trick is to add an augmentation fuel pump to supplement the stock which is rated very low for higher demand engines as per manufacturing specification.


There is NO cons to doing this what so ever.

Beyond this you can pm me because I have already tried to help with this in the past and some people fight physic's in our known universe. So debating again about this does not interest me. It is a good worthwhile project you should consider doing.

 

Fuel rail with welded stainless AN fitting at both ends.

 

Larry,
You can eat popcorn til the cows come home........there are many engineers and people who do this for a living, get paid 10x what we make in a year and have many good reasons why a dead head works and works well. Now for sizing of the pump is one thing but most of these people don't even understand gas boils at 95deg F..................... yes fahrenheit............:beer


Most fuel contains alcohol which is even more volitile than gas. pressurizing and depressurizing fuel heats it and causes it to evaporate which lowers octane even more. There is a reason these engineers do what they do........

 

OK, folks. The usual off topic chatter and friendly instigating, provoking and encouraging have been deleted. Let's keep it on topic and thanks for letting me earn my MA swag.

 

How about ideas to keep the fuel rail cool. I've thought about ac line tape to help cool the fuel. Anyone got ideas?

 

actually I'm working on a little project for racing fiends that you may like
it combines "old school" with "new school":devil: