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Old 09-02-2011, 12:32 AM   #126
Dr Chaos
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This one is for fun. What do you think?



This is the fuel injection on the motor with stock manifold.




Enjoy
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Old 09-02-2011, 12:46 AM   #127
Dr Chaos
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Krylon!!!!!!!

I could not agree with you more on the weber carbs looking great and performing very well on this set up.

If you have the weber side draft carbs and you are considering selling them, let me know. Weber side draft is one of the set ups I would like to try. This is part of the reason I made the entry of the manifold plenum so wide, so it can work with weber side draft twin choke carbs.

No obligation on this, just let me know.

I want this running on many different fuel system set ups and different ignition systems to give other people options for subaru.

Thanks

Doc
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Old 09-02-2011, 02:59 AM   #128
GuamSTI
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Nice work, BTW how is the ignition system? Still running it via ECU?
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Old 09-02-2011, 11:02 AM   #129
Dr Chaos
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The ignition system is a stand alone system. There is NO computer on this car. All wireing and sensors and computer have been removed. I estimated by removing all the electronics from this car that I have removed 80 lbs of useless, expemsive to replace junk that tends to fail when you need it most. This is part of why I did this. The computer system was having end of life problems, so it had to go.

The cost to convert was less than a replacment used computer and new O2 sensor.

My time to convert was about the same as it takes to find and solve the stock problem. From now on it will be easy to repair and adjust for ever.

I have a modified distributor that has adjustable mech and vac advance. Can be adjusted with pliers and allen key.

I will be building a new ignition system with four coils and a disributor with 4 pickups.

I hope this answers your question.

Thanks

Doc

Last edited by Dr Chaos; 09-02-2011 at 04:51 PM.
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Old 09-02-2011, 05:58 PM   #130
GuamSTI
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I totally agree! thanks
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Old 09-04-2011, 09:29 PM   #131
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Well, the verdict is in. The first laminate manifold with the long curved runners is a great manifold and we like it a lot. The second set up was a stock subi manifold with a fuel injection system that we put together and it had a slight misfire that still needs some adjusting when cruising, but otherwise, it rocked. The limitation to the injection setup was the stock subi intake manifold. It's borderline crap. It felt almost like a stock subi. If it wasn't for the headers and the porting work it would have been just a good Subaru. Next we installed a new laminate manifold and the carbs and there is absolutely no doubt and no comparison. The verdict is in - the Chaos component manifolds are vastly superior to stock. Stock is fun, our manifolds kick butt. The next thing to do is to build the custom laminate manifold for the fuel injection setup to see how that will perform. I suspect it will out perform the carbs. We've had stock manifold and two of our manifold designs on and off for comparisons and there is none. I'll be setting up one of my manifolds on a stock subi with stock computer controlled system to see what it will do for performance. We have no doubt it will improve it greatly. We are shocked. This is the first time we have done anything like this and it turned out very well.

Krylon - where are you? Do you want to sell your Weber carbs?
gotta find out!

The pic attached below is the new laminate manifold that is performing very well.

Enjoy.

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Old 09-04-2011, 09:33 PM   #132
Dr Chaos
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PS - For those of you sharp enough to see the original fuel rails and original injectors, they are there mostly to fill the hole in the manifold so there is no vac leak. Also, we may be using this set up with the original injectors to test our propane injection. It may be possible to leave the carbs on and turn the gasoline off and then just turn on the propane and run a duel system.

But that is for another month! Because now we are just going to go and enjoy this car. It's summertime.

Doc and Igora
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Old 09-05-2011, 04:32 AM   #133
Eriksport
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in proper Blues Brother's fashion:

Our Lady of Blessed Acceleration, don't fail me now!

Those intake mani's look awe-inspiring. I wish I didnt have commitments tomorrow, or I'd call and see if you needed someone to take vids of you and Igora tearing down a gravelly road.

Great job on the intakes, carbs, KJet go-through, etc. Car is becoming more and more less Subaru all the time (more, more, less-yeah-thats what I meant).

Erik
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Old 09-06-2011, 02:38 AM   #134
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Thanks Mr Sport

We took it for a nice long drive on a well curvy road on a great summer day.

The intake is all I hoped for. I got the power band down 1000 rpms from the last manifold we built. In 4 th gear it still has some pull at 1800 rpms with no loss at top end.

The smaller plenum and 1.2 inch longer runners worked. I also made the internal ram stacks shorter. This is very daily drivable but wakes up the power at 3000 rpms and builds power up to 5500 rpms and holds power untill 6000 rpms. I have some exhaust restriction that I think is the hold back at the higher revs. It may also be the stock cam is adding to the restriction. I think when the exhaust is modified the revs should be up to 6500 rpms.

My goal is to set things up so I don't need a rev limiter. I will set it up so I feel power band stop growing at 6000 rpms. This can be done with the exhaust opened up and the timing set to a total of about 44 to 46 deg.

Now it gets to be fun.

Doc
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Old 09-06-2011, 07:24 PM   #135
GuamSTI
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Nice!
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Old 09-06-2011, 08:20 PM   #136
EAGLE 5
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This is some really awesome work!

Great Job!
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Old 09-08-2011, 09:46 PM   #137
Dr Chaos
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Thanks for the positive input. It helps.

Now the 2nd composite manifold is proven we took it off to inspect it for defects. We had some sealer that joins the subi aluminum runners to the composite part shrink. So we took it apart and put it to gether with epoxy.
That won't happen again. This is industrial grade epoxy with an aditive for heat disipation. All else looks great.

We had a slight pull to the right from wheel alignment so we got all the way in to the suspension and found subaru faults and the rear toe was equal but both pointing to the right. This is now fixed and we will road test tomorrow.

We found the front lower controle arm bushing in good shape but of a poor design (to damn soft). This was also contributiong to the pulling. These were modified with rubber and steel shims the put more pressure on the bushings. This worked well and made the car handle much better.
No more slop. We also took the rear of these bushings and made the mounting bolt slots longer and got 1.5 deg of caster adjustmet out of them. We added a cam washer to hold it in place. This helped to stop the pulling.

The bushing modifications made the front end so much better that I may need to do the same for the rear. It responds like EU bushing but cost about $10 and 1 hour to do. If it works well over time I will share how I did this. If it fails I will trt to pretend that I never did this. HAHAHAHAHA

Just having fun with this.

Later

Doc

Last edited by Dr Chaos; 09-15-2011 at 10:51 PM.
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Old 11-02-2011, 01:00 AM   #138
Eriksport
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MOAR UPDATES PLEASE!!!



Cant wait to throw my race rubber on this thing and go autox'ing with Igora.

ES
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Old 04-24-2012, 09:37 PM   #139
Raoul Duke
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How is the nothing moar?!
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Old 04-28-2012, 07:48 AM   #140
Big deano
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Awsome build matey
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