Originally Posted by 18psi
(Post 1450622)
time for a 7163? :D
Not so sure. I feel like we still haven't seen enough completed 7163's to make a call. |
Did you drive Acamas today in the rain? Im curious if you spun in 6th lol.
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I did, yes. Equal parts respect and restraint :)
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Hi Andrew, not wanting to hold up this thread, but I am trying to piece together your Acama's fuel system mods to go on a startlingly similar build (in Australia). I understand your cliff notes (listed again for clarity below) - but I couldn't follow what happened with the "flyback" circuit. From what I could gather, a VS-20TQ040PBF-ND diode and a HS382-ND heatsink (as identified by JasonC SBB) is there to protect the solid state relay from surge of some sort.
I think my question is this - does that diode and heatsink just get wired inline, between the fuel pump and the battery terminal? ... I have a feeling the question itself will reveal my ignorance :) Or if you just wanted to sell me the package, I certainly would not complain:D Thanks heaps Acama's fuel mods: -**this one added by me** - a "flyback" circuit comprised of a VS-20TQ040PBF-ND diode and a HS382-ND heatsink - but wired in where? - DW300 or Walbro 450-E85 in the tank, - 10awg milspec wired to bypass the OEM connector with bulkhead isolators, - dedicated 30A relay wired straight to the battery. - Gates $20/ft submersible E85 hose inside the tank, - Earl's Vaporguard everywhere else. - Fuelab 818 filter replaces the stock unit. - Fuelab 535 regulator at the back of the car, - OEM lines forward of the rear bulkhead, - OEM fuel rail, ID1000s. "I sell all of it" |
Skip the flyback diode, it's only needed if you are running a solid state relay. The SSR was a nice experiment which failed miserably. The idea was to use PWM control to negate the need for an aftermarket FPR, but 1. you need a boost reference in a high-boost, high-power NB, and 2. holy god the pumps run 2-3x louder when you use PWM control instead of on/off.
The rest of your list is correct, I can put a package together. I would add a fuel rail to your list, we'll offer the Radium part. You can get away with stock lines and staying returnless, but I suspect the stock fuel rail is a little overtaxed at these power levels. |
That's ripper, thanks Andrew. I'll email you off forum about the package. Cheers.
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And the control range of many items not designed for PWM is often small and tricky to regulate. Ive tried fans and water pumps. I assume Andrew also had trouble keeping the "Digital Relays" cool enough too.
Dann |
If you're wondering how long a 6-speed lasts in a daily-driven car at this power level, the answer is 5 months or roughly 3500 miles.
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Originally Posted by Savington
(Post 1476796)
If you're wondering how long a 6-speed lasts in a daily-driven car at this power level, the answer is 5 months or roughly 3500 miles.
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Originally Posted by Savington
(Post 1476796)
If you're wondering how long a 6-speed lasts in a daily-driven car at this power level, the answer is 5 months or roughly 3500 miles.
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Aww crap!
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Originally Posted by 18psi
(Post 1476801)
Very interdasting indeed. Carnage pics incoming?
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is it 4th that went? I didn't see any details up top
reason I ask is cause a local with 450 actually managed to twist off the shaft on his |
Every other gear works except 4th. Broke under about 60% throttle in 4th.
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k miata trans incoming?
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Originally Posted by MiataMan00
(Post 1476940)
k miata trans incoming?
Hoping to make MRLS, we have a good shot. |
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