spdbydesign
Well-Known Member
- Joined
- Jul 19, 2015
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- 25
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- 400
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- Location
- Oklahoma City, OK
- Website
- www.spdbydesign.com
- First Name
- Chris
- Vehicle(s)
- 2016 Ecoboost Vert
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- #1
More testing today, as we wanted to find the limit of the factory fuel pump with our supplied JMS Chip Fuel Max (Boost-A-Pump).
Well, we found it at 15 PSI, lol....
Still on 93 octane, we added 5 gallons of unleaded race gas for safety and turned up the boost in 1 PSI increments until we ran out of fuel.
Roughly 850whp on Gasoline is the limit of the 2015+ factory fuel pump with a Boost-A-Pump based on our findings today.
With that said, I wouldn't ever recommend running anything to 100% of its capability, so I'd say 800whp is probably as far as you should push things on the factory pump.
It has been shared with me by JMS that they have seen some cavitation in the 2015 pumps when pushed to their max, which they blamed on the pumps being overspun through voltage. I would suggest it's quite possibly the pump is simply overheating and therefore causing the cavitation effect. We have seen this heavily in the R35 GTR world, so I'm familiar with the cause and effect.
Today, we didn't experience any cavitation effect, but we did see our Short Term Fuel Trims rising under boost at 850whp, letting us know the pump could simply not keep up with our A/F fueling targets being commanded.
At 15 PSI on 93 octane mixed with unleaded race gas, the car put down 854whp!
That's 490whp gain over stock through our automatic transmission.
This car continues to impress.
That's 1000 HP at the crank territory on a 100% unopened factory motor besides TSS Oil Pump Gear!
Up next, we will be testing E85, and I suspect we'll cross our 800whp goal on even less boost with better spool equating to more torque from the added timing we can run.
Stay tuned, things are just now starting to get interesting....
https://flic.kr/p/ySXHNT https://www.flickr.com/photos/105107815@N04/
Well, we found it at 15 PSI, lol....
Still on 93 octane, we added 5 gallons of unleaded race gas for safety and turned up the boost in 1 PSI increments until we ran out of fuel.
Roughly 850whp on Gasoline is the limit of the 2015+ factory fuel pump with a Boost-A-Pump based on our findings today.
With that said, I wouldn't ever recommend running anything to 100% of its capability, so I'd say 800whp is probably as far as you should push things on the factory pump.
It has been shared with me by JMS that they have seen some cavitation in the 2015 pumps when pushed to their max, which they blamed on the pumps being overspun through voltage. I would suggest it's quite possibly the pump is simply overheating and therefore causing the cavitation effect. We have seen this heavily in the R35 GTR world, so I'm familiar with the cause and effect.
Today, we didn't experience any cavitation effect, but we did see our Short Term Fuel Trims rising under boost at 850whp, letting us know the pump could simply not keep up with our A/F fueling targets being commanded.
At 15 PSI on 93 octane mixed with unleaded race gas, the car put down 854whp!
That's 490whp gain over stock through our automatic transmission.
This car continues to impress.
That's 1000 HP at the crank territory on a 100% unopened factory motor besides TSS Oil Pump Gear!
Up next, we will be testing E85, and I suspect we'll cross our 800whp goal on even less boost with better spool equating to more torque from the added timing we can run.
Stay tuned, things are just now starting to get interesting....
https://flic.kr/p/ySXHNT https://www.flickr.com/photos/105107815@N04/Sponsored
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