E85 800-1000hp Fuel System Setups
What about using the evap line and run lines from each pump straight up to the engine bay, then use a wye fitting with two -6an to a -8an into an -8an fuel filter then to the rail? As Dave suggested, make sure the Walbros are modded, if not pressure will drop off big time, especially since you are running 40+ psi...
I've got 3/8" stainless steel line on my car, just the feed line. I wouldn't run any AN type line on a street car the entire length of the car again. The hose eventually leaks and fails. 3/8" is close to -6 AN and is enough line for over 1,000 hp.
Just to clarify, I think David is talking about braided line when referring to leaks. I agree with him that most of the lower end braided is junk for fuel. However, you guys won't have any leaking issues with Aeroquip Socketless. It's not braided (that's besides the point), easy to terminate and is rated for ethanol.
Just to clarify, I think David is talking about braided line when referring to leaks. I agree with him that most of the lower end braided is junk for fuel. However, you guys won't have any leaking issues with Aeroquip Socketless. It's not braided (that's besides the point), easy to terminate and is rated for ethanol.
Yes, I was having a brain fart and couldn't think of "braided" for some reason. Doing the rigid stainless line I did was tougher than using braided hose but it is on the car and will be there for 50 years.
Correct which is why I was mentioning it... he pretty much has everything to make it work, unless he wanted to use AN lines... How much of a difference do you think it would make in system capacity to unilize the dual lines up to the engine bay?
Assuming that the stock fuel feed like is 5/16"ID, and the vent line is 1/4" ID, the flow capablities of those two lines together is only going to be slightly greater than a single 3/8" ID line. If I'm wrong on either one of those lines (the stock feed or vent ID's), and they are smaller, than the single 3/8" ID line will flow more than the both of them together.
Like I said, we used the return line in our dual feed kit we sold. The kit was a PITA to put together so I simply quit offering it. My car on gasoline and our double pumper with 1200cc injectors ran 9.0 at 159, that was with the single factory line.
I ran the twin lines at some point and the IDC's dropped quit a bit. I wanted a cleaner set up and went to the single 3/8" line. Duty cycle's are in the 80% range on 2000 cc injectors, our twin pumps and 700+ whp on our dyno.
I ran the twin lines at some point and the IDC's dropped quit a bit. I wanted a cleaner set up and went to the single 3/8" line. Duty cycle's are in the 80% range on 2000 cc injectors, our twin pumps and 700+ whp on our dyno.
Travis, im not... I don't plan on doing anything else with my car and I am not where close to being maxed out... I was just asking dave since he has done it and id he says IDC dropped a bit that tells me it worked...


