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Old 12-02-2018, 07:49 AM   #57
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Wow I just started reading. Your thread. Excellent work. That is a beautiful Motor Home.
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Old 12-02-2018, 08:08 AM   #58
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It looks to be an easy install. Does the ecu come with a wide band O2 sensor? Or does it use one for fuel metering? Is the Atomic EFI fully programmable? Just curious. Looks to be good quality.
Yeah, it comes with a wide band O2 sensor, coolant temp sensor, power module and handheld controller. It needs high pressure fuel feeding. Anyway, MSD EFI master kit has fuel pump, hoses and filters or whatever.
I'm going to install an in-tank fuel pump, high pressure fuel feed line, pressure regulator and return line on the Argosy.
Of course install an O2 sensor on the exhaust pipe too.

I hope it would be easy programming and setting. I'm not sure though...
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Old 12-02-2018, 08:27 AM   #59
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Originally Posted by GREEN ARGOSY View Post
Yeah, it comes with a wide band O2 sensor, coolant temp sensor, power module and handheld controller. It needs high pressure fuel feeding. Anyway, MSD EFI master kit has fuel pump, hoses and filters or whatever.

I'm going to install an in-tank fuel pump, high pressure fuel feed line, pressure regulator and return line on the Argosy.

Of course install an O2 sensor on the exhaust pipe too.



I hope it would be easy programming and setting. I'm not sure though...


I think youíre doing the right thing with going with a fuel pressure regulator and return line. Iím not sure I would trust the PWM fuel pump setup they sell with the kit. I installed a FAST EFI on a friendís 1970 Hemi Cuda. It was a 526 Ci hemi that he had built to make about 630 hp. I think we gained a little more torque but lost a few Hp up top. But drive ability was greatly improved.
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Old 12-02-2018, 08:32 AM   #60
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Wow I just started reading. Your thread. Excellent work. That is a beautiful Motor Home.
Hi GMFL,
Thank you for the message and encouragement.
It's being restored by a Japanese car nut. 
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Old 12-02-2018, 08:57 AM   #61
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Originally Posted by chevy2man View Post
I think you’re doing the right thing with going with a fuel pressure regulator and return line. I’m not sure I would trust the PWM fuel pump setup they sell with the kit. I installed a FAST EFI on a friend’s 1970 Hemi Cuda. It was a 526 Ci hemi that he had built to make about 630 hp. I think we gained a little more torque but lost a few Hp up top. But drive ability was greatly improved.
Wow! HEMI Cuda!! That's cool.
Yes, I agree with you. PWM pump with no return setup is very easy way to install. But I think return setup is better to use.

I've read an article that was wrote by Japanese owner, who installed the Atomic EFI with no return fuel system. They said "it made cavitation in summer when over 35 degrees". So I decided that I use a fuel return line on my setup.
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Old 12-02-2018, 09:32 AM   #62
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Wow! HEMI Cuda!! That's cool.
Yes, I agree with you. PWM pump with no return setup is very easy way to install. But I think return setup is better to use.

I've read an article that was wrote by Japanese owner, who installed the Atomic EFI with no return fuel system. They said "it made cavitation in summer when over 35 degrees". So I decided that I use a fuel return line on my setup.


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ID:	328952 Hereís a couple pics of that car. The cavitation of PWM pump in warm weather is I was thinking. Definitely donít that problem with an RV.
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Old 12-02-2018, 07:25 PM   #63
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Attachment 328951Attachment 328952 Hereís a couple pics of that car. The cavitation of PWM pump in warm weather is I was thinking. Definitely donít that problem with an RV.
That looks awesome!! Super cool!
I really like American cars.

Yep, warm weather causes the cavitation.
The author installed the EFI kit to '90s Tahoe. Eventually, they changed PWM pump setup to in-tank pump setup.

At least, Argosy doesn't have lots of hp, but we have heaps of terrible traffic jams over here. The worst situation of cavitation is traffic congestion in summer.

I don't want to annoying heat problems.
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Old 12-02-2018, 07:57 PM   #64
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Is that a Datsun pickup? Whatever it is - itís GORGEOUS!!!
Whatever happened to cheap four cylinder, 5speed, simple diesel, Japanese pickups, with two latches on the tailgate and hooks readily accessible along the side of the box to tie stuff down.

I seriously want a new one.

Cheers
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Old 12-02-2018, 09:15 PM   #65
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Whatever happened to cheap four cylinder, 5speed, simple diesel, Japanese pickups, with two latches on the tailgate and hooks readily accessible along the side of the box to tie stuff down.

I seriously want a new one.

Cheers
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Many Japanese pickups have grown their body size, performance, price or whatever.
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Old 12-02-2018, 09:41 PM   #66
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That looks awesome!! Super cool!

I really like American cars.



Yep, warm weather causes the cavitation.

The author installed the EFI kit to '90s Tahoe. Eventually, they changed PWM pump setup to in-tank pump setup.



At least, Argosy doesn't have lots of hp, but we have heaps of terrible traffic jams over here. The worst situation of cavitation is traffic congestion in summer.



I don't want to annoying heat problems.


I figured the traffic would be a major issue. Will you do electric cooling fans as well? I think that EFI setup has the capability to send output signal to some fan relays.
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Old 12-02-2018, 10:13 PM   #67
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I figured the traffic would be a major issue. Will you do electric cooling fans as well? I think that EFI setup has the capability to send output signal to some fan relays.
Yeah! The EFI be able to control two fans.
I'm going to use two 14" electric cooling fans, and remove the original mechanical one.
Moreover, I add an engin oil and trans oil coolers too.
I'm sensitive to over heating
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Old 12-02-2018, 10:16 PM   #68
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Yeah! The EFI be able to control two fans.

I'm going to use two 14" electric cooling fans, and remove the original mechanical one.

Moreover, I add an engin oil and trans oil coolers too.

I'm sensitive to over heating


Cool! You canít go wrong with that! Keep us updated on your rebuild with pictures as well.
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Old 12-02-2018, 10:26 PM   #69
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Cool! You canít go wrong with that! Keep us updated on your rebuild with pictures as well.
Thank you! I'll do my best.
I have to re-core the original radiator as well.
I would be broke when the Argosy has completed...
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Old 12-03-2018, 04:47 AM   #70
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Yeah! The EFI be able to control two fans.
I'm going to use two 14" electric cooling fans, and remove the original mechanical one.
Moreover, I add an engin oil and trans oil coolers too.
I'm sensitive to over heating
Yuki,

You might want to reconsider eliminating the mechanical fan. I'm not convinced two electrical fans can keep the 454 cool on hot days especially sitting in traffic like you've described. I left mine on for that reason.

Brad
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