Akina's build

[1320king]

my buddy has a brand new surge tank sitting that hes trying to get rid of hit me up if intrested


this is it :http://rpmware.com/catalog/group/50898

[AKINA FC]

pm sent  - looks interesting - Not quite the design I had in my head but might work.  Anyone else here have some pics of there surge tanks if they have one?

[eage8]

Some guys on rx7club are trying to get an internal surge tank to get made for FCs:
http://www.rx7club.com/2nd-generation-specific-1986-1992-17/fuel-pump-cradle-1072037/

also there is stuff that radium engineering makes:
http://www.radiumauto.com/Standard-Fuel-Surge-Tanks-P515.aspx
http://www.motoiq.com/MagazineArticles/ID/3642/Radium-Engineering-Has-Released-A-New-Ground-Breaking-Fuel-Cell-Surge-Tank.aspx

[largeorangefont]

Also contact Bowtie 7.. Charlie is doing baffled stock tanks and has had very good results. It will be cheaper and lighter than doing a surge tank.

[AKINA FC]

Nice tanks, looks like thread on the club isn't going anywhere real fast unfortunately I really like the idea of a in tank surge as I don't need to make a bulkhead. NASA doesn't require it - yet - but most sanctioning bodies do and it does make safety sense as well, so mine will have one.
I actually was talking to Charlie about having a tank done by him, was texting him last night - he sent me a cool pick of that green car's setup he is working on currently for ideas. The consensus was to just do a surge tank and leave the stock tank alone.
What are you guys using? I would think you have to be running into fuel starvation? I can't make it through a session without running into pressure issues at the end, as soon as i get to 80% i start seeing fluctuations on my logs/dash gauge.

[largeorangefont]

Your regulator is downstream of the fuel rail correct? I had the same fuel starvation issue with the rotary. I could only go down to about 3/4 tank. My starvation issues have actually been much improved since going to the the corvette regulator that is located upstream of the fuel rail. I have run the tank down to 1/3 without issue. It would seem that having the regulator upstream allows air bubbles to be burped out before they hit the fuel rail.

I would really like an in tank surge solution, or one of Charlie's baffled tanks. By the time I got something like a Radium surge tank setup, I could almost just go straight to a fuel cell and simplify my life, so the external setup is a little less attractive.

I do have a 2 quart custom surge tank sitting around already though, but it needs all external pumps and some mounts to be useful.

[eage8]

Your regulator is downstream of the fuel rail correct? I had the same fuel starvation issue with the rotary. I could only go down to about 3/4 tank. My starvation issues have actually been much improved since going to the the corvette regulator that is located upstream of the fuel rail. I have run the tank down to 1/3 without issue. It would seem that having the regulator upstream allows air bubbles to be burped out before they hit the fuel rail.

I would really like an in tank surge solution, or one of Charlie's baffled tanks, or just go straight to a fuel cell.

the problem with the in tank surge tank is that you still need an external pump which are noisy and not as reliable...

it's not quite as nice as some of the FD solutions I've seen that have everything inside the tank.

[largeorangefont]

Your regulator is downstream of the fuel rail correct? I had the same fuel starvation issue with the rotary. I could only go down to about 3/4 tank. My starvation issues have actually been much improved since going to the the corvette regulator that is located upstream of the fuel rail. I have run the tank down to 1/3 without issue. It would seem that having the regulator upstream allows air bubbles to be burped out before they hit the fuel rail.

I would really like an in tank surge solution, or one of Charlie's baffled tanks, or just go straight to a fuel cell.

the problem with the in tank surge tank is that you still need an external pump which are noisy and not as reliable...

it's not quite as nice as some of the FD solutions I've seen that have everything inside the tank.

That is a good point.

[zbrown]

A 044 is plenty reliable external

[AKINA FC]

A 044 is plenty reliable external

I was trying to stay away from external pumps but yeah if I was to go this route I would run twin 44's with a 255 in the tank - i already have three of them laying around haha

I keep leaning towards just doing a ATL cell and calling it good.

[AKINA FC]

Just for visual reference, i go through almost all this fuel in one day running e85 haha  - thats a 15 gallon vp barrell and two 5 gallon jugs

[digitalsolo]

That's a lot of fun time.

[largeorangefont]

Nice.. With 2 drivers I go through about 32 gallons in a day of dead dinosaurs.

[Jordan Innovations]

You won't need more than a single 044 (or similar) for N/A, I'd run a 255lph in the tank to fill the surge and an 044 outside and call it a day.  One of the Radium tanks (or similar) would work just fine as well, you're cutting your fuel consumption in half, or maybe even more than that. 

Super happy you're happy dude!

[AKINA FC]

Well the more I look at surge tanks and such I think im just going to go with a ATL cell and one of these baffled in tank surge containers they have, this way I dont have to make a bulk head and have multiple pumps. I should be able to re-use what i currently have or at least just run a 044.


Finished getting the car converted to NA and prepped for next weekends race - changed out various sensors, spark plugs, changed back to a catch can from exhaust evac, cold compression test, dialed in the tune and washed her up.
I am very happy with this engine NA, looking forward big time to getting the heads done this winter and maybe a different style induction - ITB's or fast manifold. Final current tune I am at 44% DC at 58-59psi with these 181lb injectors. I would take it to the dyno to see what its really making and find a few more ponies but no sense in that until I make my changes this winter. Going to a smaller injector I would say a 80lb @ 43.5psi injector would give me enough head room for changes and keep me at 70-80%DC figuring its going to pick up another 20-30hp with heads and intake change?
 
This weekend will be nice to cut my fuel consumption in half