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1984 rx7 5.3L turbo s475/th400/8.8 /E85 (sloppy style)

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Old 03-25-2016, 02:23 PM
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I had to look it up!

In Japan, this was a low-key sign that the driver was interested in a race. It was commonly referred to as a "flag".

In America, this is just a fad. It was adopted in the JDM community just as a sort of "Hey look how JDM my ride is".
Old 03-28-2016, 11:05 AM
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Got the tune dialed in at 17-18psi. Feels pretty damn strong and it hooks!
Low 11 afrs. 16 degrees up top.


Gona up it to 20-21psi and get the anti lag dialed in. Than hit the track if all goes well in a week or 2
Old 03-28-2016, 11:08 AM
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Old 03-28-2016, 11:16 AM
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did you run those little blue filters as crank case vents and no catch can? i think thats what im doing. i ordered some filters like that the other day. great job by the way. u can come over and help me finish my ta lol
Old 03-28-2016, 12:00 PM
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Originally Posted by dt23400
did you run those little blue filters as crank case vents and no catch can? i think thats what im doing. i ordered some filters like that the other day. great job by the way. u can come over and help me finish my ta lol

Yea i did. I ran it for the front and rear of the valve cover. They work great.

Thxx and Get it done
Old 03-28-2016, 09:17 PM
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18psi pull spinning in and out of the gas
Old 03-28-2016, 09:36 PM
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sketchy! i like it!
Old 03-28-2016, 11:59 PM
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Old 03-29-2016, 11:41 AM
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Through it on the scale. 20 gallons of gas.
2720lbs.


Old 03-29-2016, 11:47 AM
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20 gallons?

WTF?

Car looks great!
Old 03-29-2016, 11:55 AM
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Is that with or without driver? Driver weight? E85 is 6.6lbs a gallon. Easy removeable ballast right thur...
Old 03-29-2016, 12:08 PM
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Im 175lbs.
It has a 12 gallon fuel cell that i had just filled up. And extra 8 gallon little jugs i had filled in the car.

But yes. The car alone was 2720lbs. Not bad i think. Considering the iron block and th400 and 8.8 rear and it still has the heat and ac stuff in the dash.
Old 03-29-2016, 12:09 PM
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Originally Posted by coltboostin
20 gallons?

WTF?

Car looks great!
Thx.
12 gallon fuel cell and extra 8 gallon jugs i had just filled.
Old 03-29-2016, 12:27 PM
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Not bad at all! Run 4 gallons of gas and cutout the door bars and you’d be at 2590! Lighter hood, stripped interior, bumpers… etc. Could get it down to 2500 easy 2400 if you were aggressive. Alum block 5.3 would drop 80lbs.

I have some 4 lug centerline skinnies I ran on my 79. Not sure if those would bolt up to an FB or not? I’d sell them cheap if they will.
Old 03-30-2016, 09:28 AM
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Originally Posted by Forcefed86
Not bad at all! Run 4 gallons of gas and cutout the door bars and you’d be at 2590! Lighter hood, stripped interior, bumpers… etc. Could get it down to 2500 easy 2400 if you were aggressive. Alum block 5.3 would drop 80lbs.

I have some 4 lug centerline skinnies I ran on my 79. Not sure if those would bolt up to an FB or not? I’d sell them cheap if they will.
Can't get much lighter than no hood haha

I vote for an L33 if this one bites the dust.

Car looks like a blast to drive.
Old 03-31-2016, 12:19 AM
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Anyone know how far a AEM 380 (bosch 044 style) pump can push on e85??
600whp?
Old 03-31-2016, 07:07 AM
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Originally Posted by a4ls2goat
Anyone know how far a AEM 380 (bosch 044 style) pump can push on e85??
600whp?
Depends on the pressure. Right around 500 crank at 70ish. Believe the site has flow vs pressure chart.
Old 03-31-2016, 07:27 AM
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I dont see how it would be 500 crank. Im barely starting to see fuel pressure drop at 18psi with 1 pump on.

65psi base
Old 03-31-2016, 08:19 AM
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Can’t guess exactly unless you know the BSFC of the engine.

Chart I read said the AEM380 flows 70gph at 70psi. I didn’t’ look at the voltage, just did a quick google search. May double check what it flows at 13.5v at whatever max pressure you run.

Assuming the 70gph Figure is correct. That’s good for a bit over 700 on pump and take 35% of 700 for E85 you get 455hp. I said 500 because I knew I was on the low side calculation wise. That’s some super dirty math and working on the safe side to ensure you have enough pump when purchasing the fuel system. If I were buying pumps for 1000hp I’d run 2 of those and I know I’d be “safe” …at 70psi of fuel pressure anyway.

Technically 1gph of flow is closer to=11.6hp and not 10hp I used above. So 70gph*11.6 = 812hp. Also typically E85 is closer to 30% additional fuel not 35%. 30% of 812= 569crank hp.

System voltage, pressure, and fuel line size all play a big roll so it’s a crap shoot. Either way, as you know you’ll need more pump to push 80’s. Skinnies maxed his 80’s out with 3 255hp walbros at 68psi base pressure and 25lbs. Making 850whp on a mustang dyno. DC was maxxed. Thats the most I've seen someone push 80's on e85.

Last edited by Forcefed86; 03-31-2016 at 08:26 AM.
Old 03-31-2016, 08:33 AM
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EDIT:

Sorry, Looks like whatever source I used this morning was way off. This claims 90GPH at 73psi.
So 11.6*90=1044hp on pump. 35% of 1044= 679 crank on e85.

Thats at 13.5v and BSFC of .5 which is kinda low for a turbo setup.

https://www.extremepsi.com/store/pro...roductid=29291


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