sx fuel pump to a weldon db2015-a pump
09-23-2007, 07:46 AM
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sx fuel pump to a weldon db2015-a pump
i was going to switch fuel pumps from a sx to a weldon db2015-a pump. my question is it going to throw my map off? should i go and have it retunned right away? just wondering how the car is going to run? im sure it will be a little rich.
09-23-2007, 07:51 AM
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Re: sx fuel pump to a weldon db2015-a pump (dome)
as long as fuel pressure is the same you should be fine. Did you have any issues witht eh sx pumps falling off up top under boost?
09-23-2007, 07:55 AM
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Re: sx fuel pump to a weldon db2015-a pump (miller)
yeah, had to keep adding adn adding fuel up top. i would rather have to take some out. just couldnt keep up. the pump is pritty old too.
09-23-2007, 07:59 AM
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Re: sx fuel pump to a weldon db2015-a pump (dome)
well if your base pressure is the same then you will be fine to start and run but if the pump was falling off up top then you will deff have to retune. Do you log fuel pressure by any chance?
09-23-2007, 08:14 AM
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Re: sx fuel pump to a weldon db2015-a pump (miller)
well the pump was doing its job but we just couldnt push it anymore. if we did it was just going to fall off. im not sure if i can log the fuel pressure with the fast. thought as long as the fp is the same it should be fine...
09-25-2007, 02:50 PM
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Re: sx fuel pump to a weldon db2015-a pump (dome)
the db2015a is the same pump i am running. it is -12 in and -10 out so if the sx is the same you are ok there.
miller is right if the pump was falling off up top and you were adding fuel, the 2015a wont (that is til about 850whp) you will probably have to retune or just take fuel out of the top. AT 34PSI (although i didnt log but i will be later) fuel pressure was solid. make sure the tank is vented properly. that pump is a monster.
miller is right if the pump was falling off up top and you were adding fuel, the 2015a wont (that is til about 850whp) you will probably have to retune or just take fuel out of the top. AT 34PSI (although i didnt log but i will be later) fuel pressure was solid. make sure the tank is vented properly. that pump is a monster.
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