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Frankinintake!!


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Cut the stock manifold very carefully--you can still see the watercross-passage (used it to keep it all aligned)--mandrel-bent tubing & a a old weber/dellorto intake off eBay + lots of cursing---& lots of grinding:grin:--still need to finish the rear inner areas a little--but I needed to quit for the night---

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If you put it behind the engine, it would make the intake alot closer to the firewall. Then you can add some stacks to it and stick them through the hood. Should loo nice further back than stock :)

 

Do you already have carbs for it? and how hard would it be to make another?

 

-Brian

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Looks functional, and that's all that matters. Welding aluminium is a black art.

 

Throttle response should be crazy quick when you get the Delortos' in tune.

 

I had a 70 240 and getting the SUs' tuned was a pain, but when they were right, so nice.

 

Jay

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Looks good, but I (and this is a shocker) agree with Brian, it should have pointed to the rear. Far less chance of getting water ingested into the engine that way, as well as why Brian suggested it, the stacks will increase torque. I've always wanted to take a MPFI'd engine and install dual downdraft Webers on it. Subaru had such an engine in an EA81 form, it was used on a gen I RX.

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may not be needed but maybe think about a small passage between the 2 intakes to help balance the intake pulses? it would be different if it was a true independent runner setup but with the suby head desighn its not possible unless of course you did it with mpfi heads.. but then it wouldn't be a ea81

 

very nice work btw

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The intake is set-up to point the carb to the rear--I've planned to use the '97 Outback hoodscoop to blow cold air on the carb (a cold-air box is in the works)--The spare tire left long-ago--The intake I got off of eBay was a old Cannon unit--there is a cast-in balance tube right at the mouth of the intake---not many people know about balance tubes anymore--:)

 

As for the carb--I have a 40MM Dellorto with 80mm chrome ram tubes on it:grin:

 

The manifold was a real B**** to make--most likely have $300 or so in it in time & materials--

 

Thanks everyone!!!

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ehh what can i say i have a stack of performance books about 4-5 feet high :)

i thought of doing a fuel injected ir setup but since i run turbo...

but i think it would be neat to see a homebrew hilborn injection on top of a sube:)

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Got the last of the grinding on the inside done today--mounted the carb & made the throttle cable mount--I've got to do some more bodywork on the car tomorrow & Thursday I'm taking the car back down to the shop to set-up the carb--weld seat rails on the '92 Honda Civic seats & the guys at the alignment shop are doing a 4 wheel after hours for me:)--got too much work to get done & not enough time until the first practice on Saturday--Sounds like the start of a racing season to me!!!! Wish I could tell the boss "I need two days off"---(fat chance!!)--so the car will be raced without the flares (no time)---but should be ready mechanicaly!!!

 

To those who are interested, the cars page is-- http://performancebydesign.netfirms.com/subaru.html

 

I haven't updated it yet--will do it after this weekend-maybe I'll have some good times to post:)

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Awesome work on the intake....I would love to do that and maybe use some Mikunis!

 

What did you use to cut the intake up/away from the original water passage?

 

If you free up the exhaust, that thing should really rev....can't wait to hear about your success.

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