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Thread: Surging when turning... wtf?

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    Default Surging when turning... wtf?


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    Hey just picked up the new sprinter for myself.

    after a few days it started to surge when i turn right, but not when i turn left.....

    Any ideas before i start working on it?

    thanks

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    Senior Member 350hp4agte's Avatar
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    its got no surg tank

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    Senior Member 350hp4agte's Avatar
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    its probably an adm im guessing with a 16v convo
    so the tank doesnt have an in tank pump it has an external pump but no surg tank so ya need a low volume lift pump to feed a surg tank then from the surg tank you need to put the high volume pump

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    Default

    Quote Originally Posted by 350hp4agte View Post
    its probably an adm im guessing with a 16v convo
    so the tank doesnt have an in tank pump it has an external pump but no surg tank so ya need a low volume lift pump to feed a surg tank then from the surg tank you need to put the high volume pump
    yer thats all well and good, and i agree with it completely.

    but ive just got an external fuel pump plugged into my standard ke70 fuel tank. with no surge tank. and the only time i get any surging (noticeable change in engine) is when the tank is COMPLETELY empty, like fuel light constantly on. and every now and then if i turn hard it will misfire a bit.

    other than that i get no problems what so ever, with normal driving and spirited "grip" driving. cant speak for psycho drifto.

    ive got a surge tank setup here ready to go in.....but havent really needed to yet....

    to the original poster, what fuel levels are you refereing to?

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    So, lastnite the car didnt start.... lol

    Whats the legalities of putting a surge tank in the boot?

    thanks

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    Quote Originally Posted by gaffa View Post
    So, lastnite the car didnt start.... lol

    Whats the legalities of putting a surge tank in the boot?

    thanks
    SOrry forgot to say, that i got it started this afternoon, was fine untill i started to take off then bham, coughing and spluttering everywhere....

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    Senior Member 350hp4agte's Avatar
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    well its illegal not much else you can do tho, try and find a jdm tank with an intank pump thats about it i think you may be able to fit an intank pump to your adm one i dont no.

    also when you open the fuel cap does heaps of air come out because your pump maybe pressurising the tank hense the reason it wont start and coughs and stuff, this happened in a 20v ae82 i had i just drilled a tinny hole in the fuel cap

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    No surge tank is a drama , I ran my sprinter at the hill climb on Sunday for the 1st time , had a quarter of a tank 7 on the 1st run engine cut out on every corner . Put 15 litres in and had no problems with cutting for the rest of the day. So will a high volume pump fix that or do I need a JDM baffled tank?????

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    Senior Member 350hp4agte's Avatar
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    you need a surge tank

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    OP - To see if fuel surge is the issue, throw 20 litres of petrol in the tank. If you still have problems then it isn't fuel surge you're seeing.

    Also you can shoe-horn a surge tank under the arse end of a Sprinter. I got a 700ml job and fuel pumps under there. Pain to do, but works damn well.

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