efi fuel systems

[broen messiaen]

thanks for the reply.
so one more sensor going in  
a 0-150psi one is good?

[Chip]

thanks for the reply.
so one more sensor going in  
a 0-150psi one is good?

Should be just fine

[baz]

I got this kit

https://www.aeromotiveinc.com/product/phantom-200-stealth-fuel-system/

I pulled the trigger on one of these, hope they are as good as they look. The stealthy in tank appeals to me and this should better than anything knocked together by me.

Have you fitted yours yet?

[Garrick Clark]

Hi guys , I have a fuel issue on my turbo bug ,
I'm thinking its the tank vent
Did a search and this thread came up.
My question is , Is the breather vent pipe on a 67 bug fuel tank good enough for turbo use .
I seam to be going lean high up the revs and cant find any reason for it.
I'm using a stock 67 tank
CB fuel out/return in place of the stock out let pipe
Big bosch pump
8mm fuel pipe to carbs
8mm fuel pipe back to tank
FPR014 reg.
Thanks

[richie]

My question is , Is the breather vent pipe on a 67 bug fuel tank good enough for turbo use .
 

No chance, well not unless that turbo engine only makes about 150hp max

cheers Richie

[Erlend / bug66]

I have a stock CSP tank on 400whp. No breather mods.. And fat as a pig through out the range..

[Garrick Clark]

Thanks guys. Think I'll make it bigger to eliminate it as a potential problem.

[broen messiaen]

hello, i have a question about the fuel regelator that fit's in this topic

My regulator has a boost reference line, if the engine is na. Do you need to block this or is it better to let it open (so it has atmospheric pressure)?

[Peter]

let it open

[wph]

hello, i have a question about the fuel regelator that fit's in this topic

My regulator has a boost reference line, if the engine is na. Do you need to block this or is it better to let it open (so it has atmospheric pressure)?

Your Fuel map will be easier to set up if you add vacuum line from all intake runners to your regulator, Fuel pressure will be referenced to manifold pressure. Transitions on low load and high manifold pressure are more linear, effects are probably most noticeable in driveability.

[broen messiaen]

Hello, thanks for the reply.
So i made a vacuum box and have vacuum line on every cilinder now.
From the box i will go to the pressure regulator.
Should it be good to put a line to the map sensor also from the box?


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[wph]

Hello, thanks for the reply.
So i made a vacuum box and have vacuum line on every cilinder now.
From the box i will go to the pressure regulator.
Should it be good to put a line to the map sensor also from the box?

Yes, it will dampen unwanted pulsing of map- signal. To smooth the signal even further you can put simple paper element fuel filter in the map sensor vacuum line.

[broen messiaen]

Thanks man, just did it.

When it works i will change the hoses to real vacuum hose so it's a bit cleaner.

Now on to the next problem 😉


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