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91
Engine Theory / Re: BOOST
« Last post by twincharger on May 26, 2015, 11:16:49 PM »
Wow,  I think this thread was made just for me.

Here's a pic of my twincharged, 20 valve 4ag AE86,






and the build thread

http://aztoyota.org/forum/index.php?topic=78.0

Here's a pic or two of of my compound turbo 1JZ AE86.





and the build thread.

http://aztoyota.org/forum/index.php?topic=675.0



Yes, twincharging works...  I get boost in the white car as soon as the supercharger kicks on at 75% throttle, and then the turbo spools up extremely quickly when the supercharger is on.  The datalogs show 19 psi at 4000 rpm

It runs mid-14 second 1/4 mile times, and is only 1/2 second slower than the 1JZ car when it had stock turbos.

The blue car runs, but has not been to a track with the big turbos yet.  When the car was almost finished, both tracks by me closed.  I had nowhere to run it.  One has opened up again, so I'm working on it again.  More electronic stuff to do, eventually it will get to a track.

I'm hoping to get boost from the small turbo at low speeds, then both at high speed.

If that doesn't work, there's a nitrous bottle in the trunk.
92
Projects and Build-Ups / Re: Let's try this again
« Last post by Sirdeuce on May 24, 2015, 01:18:45 PM »
So far I've replaced the steering column, lower shaft had bad play, and cruise control switch, and the seats. Put my clear front turn lenses. Little car had 2 different keys, so I'm going to put in the matched set from a donor. Next planned project is the suspension. I have urethane bushings, sway bars and struts from a previous car to go in this one. The struts will be my Ground Control/Koni 350lb f, 600lbr spring set with T3 camber plates. Hopefully funds become available soon for a quick steer rack set. Engine feels good, but the trans has a whine in 1st gear and during decel. Time to modify one of the C56s I have in storage.
93
Projects and Build-Ups / Let's try this again
« Last post by Sirdeuce on May 24, 2015, 01:03:01 PM »
New 2 to play with. 1987 sunroof. Let's see if I can concentrate on this 1 car.
94
Projects and Build-Ups / Re: The Rebirth
« Last post by Sirdeuce on May 12, 2015, 07:49:32 PM »
100lbs boost? Look into diesel tractor pulling. the rigs there use stooped boost levels.
95
Projects and Build-Ups / Re: The Rebirth
« Last post by BigMike on May 11, 2015, 03:21:08 PM »
"100 pounds boost"

Never know 'til you try though.

Let's give it a go!
96
Projects and Build-Ups / Re: The Rebirth
« Last post by Sirdeuce on May 10, 2015, 10:49:41 PM »
I think the bigger concern would be mixing with water, as the gasoline may try to separate from the mix. The ethanol would mix with the water quite well. As for messing your AFR with the minimal gasoline you'll be injecting? I would think not. Never know 'til you try though.
97
Aero and Fluid Theory / Re: MR2 MK1 Radiater Air Scoop Picture Collection
« Last post by BigMike on May 10, 2015, 03:54:42 PM »
And finally, found some very old pics (that were very small) of a F40-type dual exit scoop design. I like this a lot but not sure if I can make it turn out so nice...
98
Aero and Fluid Theory / Re: MR2 MK1 Radiater Air Scoop Picture Collection
« Last post by BigMike on May 10, 2015, 03:53:34 PM »
Moar
99
Aero and Fluid Theory / Re: MR2 MK1 Radiater Air Scoop Picture Collection
« Last post by BigMike on May 10, 2015, 03:51:09 PM »
I've been collecting more pics of this and I'd like to get them uploaded. I'm sure I've said this before, but I plan to start on my reverse hood scoop by this summer. :crossed:

100
Projects and Build-Ups / Re: The Rebirth
« Last post by BigMike on May 07, 2015, 03:15:16 PM »
E-85 $3.00 per GALLON, that's uh $1.50 1/2 gallon.
Wouldn't the plus ~15% gasoline cause issues with my ECU and AFR?
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