Originally Posted by Savington
(Post 1138855)
External pumps work well in a very narrow window of situations, and the OP's application falls well outside that window.
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Originally Posted by Leafy
(Post 1139088)
No, I kept the stock one for the fuel level sender since I populated all 4 pins on that connector with fuel pump wiring.
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1 Attachment(s)
The fitting only seals to the bulkhead with 1 oring and just one of those slide on metal clips so I was a bitch sketched out, but no fuel sloshed out while corninger at 1.6g with a full tank of fuel and hitting a big enough bump to but the car on 2 wheels so its seems ok.
https://www.miataturbo.net/attachmen...ine=1402505425 Photo credit FunPhotos |
Super-mega derail: Why hasn't an SSM guy purchased my freaky-light carbon top yet? It would make the wing work significantly better.
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Originally Posted by Savington
(Post 1139117)
Super-mega derail: Why hasn't an SSM guy purchased my freaky-light carbon top yet? It would make the wing work significantly better.
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This thread is all about the derails now, at least until OP shows up and gets us back on track with more data...
Leafy: Y U NO RACETRONIX LINK IN BUILD THREAD?! ...but thank you for confirming the part. |
Racetronix - Universal Bulkhead Wiring System, 4-Way
+ Racetronix - F90000267 - Fuel Pump - 430L/Hr, E85 Turbine HP + Racetronix - Connector Set, Fuel Pump / Hobbs Switch + Racetronix - Fuel Pump Installation Kit (requires modding, alot of it) + OEM filter sock + relays, fuses, and wires from wherever |
I like that the fuel pump looks like a Fleshlight.
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That's how you know it will satisfy your needs. Every time
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No new data yet. Waiting for injectors to show up. Thinking about the above fuel pump and wiring kit with all other options to go along with injectors. This being said because everyone is telling me the dw300 pump is crap. Guess I'll replace it while I'm at it.
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The DW300 is a really good pump, its just not in the "I want 500whp on E85" club.
Its like saying that a GT45R is a bad turbo. No, its just the wrong size. |
Originally Posted by soviet
(Post 1139185)
The DW300 is a really good pump, its just not in the "I want 500whp on E85" club.
Its like saying that a GT45R is a bad turbo. No, its just the wrong size. The last couple of my DW orders have had the new 340LPH rating it's certainly not sized incorrectly for a 500hp crank car. "DeatschWerks redesigned the DW300 to offer greater flow with no significant increase in current draw. The new DW300 pump flows 26% more at its peak and 20% more on average. The low amperage draw minimizes pump temperatures, maximizes pump life and reduces stress on OE wiring. The increases in flow were specifically engineered for high pressures (60-90psi), where forced induction applications need it the most. Conversely, fuel flow has been limited at low pressures (30-50psi) to minimize heat generation in return fuel systems. This dual zone approach results in a flatter flow curve, which maximizes both performance and reliability for supercharged or turbocharged applications." |
Originally Posted by FAB
(Post 1139210)
Right. I've been running a DW300 (the old 320LPH version) since I built the car 3 years ago.
The last couple of my DW orders have had the new 340LPH rating it's certainly not sized incorrectly for a 500hp crank car. "DeatschWerks redesigned the DW300 to offer greater flow with no significant increase in current draw. The new DW300 pump flows 26% more at its peak and 20% more on average. The low amperage draw minimizes pump temperatures, maximizes pump life and reduces stress on OE wiring. The increases in flow were specifically engineered for high pressures (60-90psi), where forced induction applications need it the most. Conversely, fuel flow has been limited at low pressures (30-50psi) to minimize heat generation in return fuel systems. This dual zone approach results in a flatter flow curve, which maximizes both performance and reliability for supercharged or turbocharged applications." |
DW300 @ 90psi - 255LPH (15 amps)
Aeromotive 340 @90psi 205LPH DUAL 255 WB pumps @ 90psi 234LPH WB F90000267 AKA400LPH AKA450 AKA485 @90psi 252LPH (18 amps) I've seen a number of results on the WB e85 pump 252-268LPH |
They must have changed the DW's chart since the last time we all looked and agrued in soviets build thread about how it doesnt possibly flow enough for a high powered turbo car because the flow tanks at high pressure.
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Originally Posted by Leafy
(Post 1139223)
They must have changed the DW's chart since the last time we all looked and agrued in soviets build thread about how it doesnt possibly flow enough for a high powered turbo car because the flow tanks at high pressure.
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Update:
Injectors are in and intercooler is mounted. Intake temps are now where they should be at 20deg above ambiant. Injectors are handling 93 octane just fine. I still have finish tuning it on 93 first. Then I can figure out how the 1300's will do on E85. I'm guessing just fine due to all the posts. |
Originally Posted by FAB
(Post 1139219)
DW300 @ 90psi - 255LPH (15 amps)
Aeromotive 340 @90psi 205LPH DUAL 255 WB pumps @ 90psi 234LPH WB F90000267 AKA400LPH AKA450 AKA485 @90psi 252LPH (18 amps) I've seen a number of results on the WB e85 pump 252-268LPH
Originally Posted by Leafy
(Post 1139223)
They must have changed the DW's chart since the last time we all looked and agrued in soviets build thread about how it doesnt possibly flow enough for a high powered turbo car because the flow tanks at high pressure.
According to the new numbers, at 100psi and 13.5V, DW300 flows more than F90000267 le lol. inb4 Walbro redesigns F90000267 |
I know I'm late to the game but I just wanted to throw out there that we've (race team) been running ID injectors at 100 psi for ~2 years and we've never had any problems. We also saw a significant benefit going from ~75 psi up to ~100 psi on a naturally aspirated car.
If your afraid of running 80 psi on EV14 injectors, don't be. As long as your fuel pump and other ancillaries are up to snuff, the injectors have no problem living at 100psi. |
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