WTF is going on ???
Thread Starter
Joined: Jul 2003
Posts: 30,677
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From: Dallas, PA
Rep Power: 606 
WTF is going on ???
OK, i have a SF kit and have been running it for about 3 1/2 months now. About 1 month ago, my inline fuel pump started making lots of really loud noises, sounded like a sick dog, but really loud. So loud that ppl were staring at me like wtf is up with your car.....lol Well, it finally quit, so i ordered a new MSD pump. Took out the old one and it smelled burnt, so i knew it burned up.
The new pump ran great for about 3 wks, then that one quit on me, but didn't make any noises. I ordered a new pump, installed it yesterday and nothing, so i had a extra relay and i installed that and it worked, so now i have a spare pump. Well, after i installed it yesterday morning, i drove 300 miles to and back from the Mid-Atlanic meet with no problems. Last nite i go out and on the way back it started make really loud noises again, these were louder than the first pump....plus i was running lean. It does it like every 20-30 seconds.
The only thing i can figure out is that whatever SF supposedly does to "tune" the FMU, they f.cuked up. I am wondering if a new FMU would solve my problem
The new pump ran great for about 3 wks, then that one quit on me, but didn't make any noises. I ordered a new pump, installed it yesterday and nothing, so i had a extra relay and i installed that and it worked, so now i have a spare pump. Well, after i installed it yesterday morning, i drove 300 miles to and back from the Mid-Atlanic meet with no problems. Last nite i go out and on the way back it started make really loud noises again, these were louder than the first pump....plus i was running lean. It does it like every 20-30 seconds.
The only thing i can figure out is that whatever SF supposedly does to "tune" the FMU, they f.cuked up. I am wondering if a new FMU would solve my problem
Joined: Sep 2001
Posts: 10,658
Likes: 4
From: Woostah
Rep Power: 412 You might want to wire in one of the switches that some of the older kits have on them where the pump kicks on only on boost... Might save the life of the pump....
Thread Starter
Joined: Jul 2003
Posts: 30,677
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From: Dallas, PA
Rep Power: 606
Originally Posted by Havok2k1
You might want to wire in one of the switches that some of the older kits have on them where the pump kicks on only on boost... Might save the life of the pump....
i have that, that is what the relay is for
Thread Starter
Joined: Jul 2003
Posts: 30,677
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From: Dallas, PA
Rep Power: 606
Originally Posted by cdmx
ugh that kit sux!
second person ive read have problems with IT failing...they MUST have used a cheapo generic pump
second person ive read have problems with IT failing...they MUST have used a cheapo generic pump
read my post again, the pump has nothing to do with it......something is causing the pumps to fail.
Joined: Sep 2002
Posts: 51,241
Likes: 20
From: NV
Rep Power: 811 So your pump is only turning on under boost? If so, there is a bigger problem or you're running boost all day long (which still shouldn't wear it out that fast. I know you're gonna laugh, but try to get ahold of SF. I'm sure they know the answer.
Thread Starter
Joined: Jul 2003
Posts: 30,677
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From: Dallas, PA
Rep Power: 606
Originally Posted by gearbox
So your pump is only turning on under boost? If so, there is a bigger problem or you're running boost all day long (which still shouldn't wear it out that fast. I know you're gonna laugh, but try to get ahold of SF. I'm sure they know the answer.
the pump turns on when you turn the key to ACC........put it doesn't increase fuel pump pressure until it sees boost. It was weird, we go to Pizza s.lut and everything was great, we come out, i turn the key and bam, loud noises. It did it all the way home and i was running lean
Joined: Jul 2002
Posts: 232
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From: Atlanta
Rep Power: 0 Man...that sucks. My new MSD pump should be here tomorrow. I wonder what could be causing it. Mine was great until I put the new motor in. Since then it has been loud as FU(K!
Joined: Sep 2002
Posts: 3,857
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From: Arizona
Rep Power: 325 this doesn't make much sense... I know somethings up but...
I've had the kit since last october. I daily drive my car, and I drove it through an NE winter. Driving on it now, been close to a year, and it works great. I don't even have that relay either, my pump runs constantly. BUt I finally installed a 20A switch under my steering wheel for when I mess with the emanage or get stuck in traffic...
I guess it COULD be your FMU, but that only has to do with tuning. It's running either way, so I don't see how a poor ratio will burn the pump up that quickly. If you are randomly running lean, I would check your electrical connections (use a nice heavy wire) and if not then the FMU would fix the lean problem, my car did that the first month but SF took care of that for me.
I've had the kit since last october. I daily drive my car, and I drove it through an NE winter. Driving on it now, been close to a year, and it works great. I don't even have that relay either, my pump runs constantly. BUt I finally installed a 20A switch under my steering wheel for when I mess with the emanage or get stuck in traffic...
I guess it COULD be your FMU, but that only has to do with tuning. It's running either way, so I don't see how a poor ratio will burn the pump up that quickly. If you are randomly running lean, I would check your electrical connections (use a nice heavy wire) and if not then the FMU would fix the lean problem, my car did that the first month but SF took care of that for me.
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