EA81 Twin carb Setup

Corax · Post by **Corax** » Thu Nov 24, 2011 12:23 am

Hi All,

Just wondering as to how rare and how valuable (if at all) a twin carb setup is for an ea81? Picked one up today fairly cheaply and in A1 condition. Info please?

Cheers,
Corax.

subius · Post by **subius** » Thu Nov 24, 2011 6:58 am

quite rare and sought after. There was an average set on ebay not long ago that went for about $600...

steptoe · Post by **steptoe** » Thu Nov 24, 2011 7:38 am

this'll cause a stir .....Brumby kid, brumby 91, silverbullet sam ........

Brumby Kid · Post by **Brumby Kid** » Thu Nov 24, 2011 7:41 am

steptoe wrote:this'll cause a stir .....Brumby kid, brumby 91, silverbullet sam ........

Sir Yes Sir?!
What do you want Steptoe?
Yeah i would love a twin carb setup on my brumby.
Im still looking out for that safari gear in peoples sheds.
BTW what would be better, the safari gear in a shed or on your car?

Cheers Cam

Post by **TOONGA** » Thu Nov 24, 2011 8:17 am

Would that be the set that was on gumtree in Eaton?

They may be for the 1600 motor.

only one way to find out

TOONGA

Corax · Post by **Corax** » Thu Nov 24, 2011 10:23 am

Yeah thats the one Jules. Bloke reckoned he had it totally rebuilt when he got it as he was going to drop it onto his brumby, but he wrote his brumby off before he could do it and its been sitting in his shed for years. Thats what he told me anyway. Come round and have a look if you want, you know a lot more about these things than I do.

RSR 555 · Post by **RSR 555** » Thu Nov 24, 2011 1:59 pm

Sweet =)

Did it come complete with the original air cleaner setup?

Brumby Kid · Post by **Brumby Kid** » Thu Nov 24, 2011 5:08 pm

Mmm, sorry
On your Car,
Or museum?
For the safari gear

Corax · Post by **Corax** » Thu Nov 24, 2011 5:40 pm

No air cleaner setup, but still not bad for less than $100, and no to be completly honest it wont be going on a car anytime in the near future, but I pretty much have a shed filled with rare MY series stuff which I will drop onto my next brumby. Its not a question of 'if' but 'when' I get another stock brumby. Plus this thing was less than 10k from where I live, to good an opportunity to pass up.

Silverbullet · Post by **Silverbullet** » Thu Nov 24, 2011 6:19 pm

steptoe wrote:this'll cause a stir .....Brumby kid, brumby 91, silverbullet sam ........

Well after that one on ebay not long ago I've given up ever seeing another twin carb setup for sale...not like I would be able to afford it anyway

sven '2' · Post by **sven '2'** » Thu Nov 24, 2011 6:55 pm

TOONGA wrote:Would that be the set that was on gumtree in Eaton?

They may be for the 1600 motor.

only one way to find out

TOONGA

Oh the pain - I was dudded years back on a ebay twin carb for a 'Brumby 1800'

Was for a 1600 EA71 (different manifolds)

PayPal FTMFW...

steptoe · Post by **steptoe** » Thu Nov 24, 2011 8:54 pm

Might have still been to fit a Brumby though, just the first gen with EA71 !

RSR 555 · Post by **RSR 555** » Fri Nov 25, 2011 12:19 am

Corax wrote:Hi All,

Just wondering as to how rare and how valuable (if at all) a twin carb setup is for an ea81? Picked one up today fairly cheaply and in A1 condition. Info please?

Cheers,
Corax.

Corax wrote:Yeah thats the one Jules. Bloke reckoned he had it totally rebuilt when he got it as he was going to drop it onto his brumby, but he wrote his brumby off before he could do it and its been sitting in his shed for years. Thats what he told me anyway. Come round and have a look if you want, you know a lot more about these things than I do.

Yeah.. I mean how rare can it be? they're a dime a dozen.. well worth just sticking away in a shed, maybe bring out in 10 years when all the Brumby's have gone.

As for info, they were available on both the EA71 (1600) and EA81 (1800) both engines were defined by a following 'S' at the end on their engine codes. This was Subaru's way of calling it the Sports model. The engines were a completely different design to the standard models. The 'S' models had dual ports and opposite valve configuration, which in turn meant different cams and rocker gear. They were available in Japan in the GSR and in the later RX (not to be confused with the Impreza) models. These engines were higher compression ratio and had 10% more power output. They were used heavierly in the late 70s early 80s rally cars.

steptoe · Post by **steptoe** » Fri Nov 25, 2011 8:01 am

only 10% more power than standard single carb non dual port head ? Really?? There must have been some really creative authors in here before then if they were only 10 poo cent more power !!

discopotato03 · Post by **discopotato03** » Fri Nov 25, 2011 8:45 am

Well according to Coxys somewhat extensive research some of the JDM ones were supposed to crank out close to std RX Turbo numbers .
I believe the emissions and consumption numbers are not so flash but we are talking a pushrod carby engine .
Be a lot easier to plug into a Brumby than an EA82T engine and what a doddle to service .

If I had my time over ...

A .

RSR 555 · Post by **RSR 555** » Fri Nov 25, 2011 9:57 am

I have driven many early subaru rally cars and can tell you, some of them had more than 10% but the official word from Subaru was standard EA81 = 100ps (their term for hp) and the EA81S had 110ps. I'm sure this was a moderate figure as them seemed to go sh*t loads better.

steptoe · Post by **steptoe** » Fri Nov 25, 2011 1:44 pm

now look what you have done, got me thinking again of 'just' whackin' an EA82T exhaust and turbo on a yet to come out EA81, cobble up some LPG ducting......

Corax · Post by **Corax** » Fri Nov 25, 2011 3:00 pm

Thanks for the info Paul. So you are saying that it would basically be useless for the bog standard ea-81? Shame if thats the case. Might have to hang it on the wall of the shed then myself or 'straight to the pool room'. Awesome piece of engineering.

sven '2' · Post by **sven '2'** » Fri Nov 25, 2011 4:53 pm

If they fit, put them on for sure.

While the total power is not there cf the JDM variant, how the power is made is a whole new ball game

RSR 555 · Post by **RSR 555** » Fri Nov 25, 2011 5:12 pm

Corax wrote:Thanks for the info Paul. So you are saying that it would basically be useless for the bog standard ea-81? Shame if thats the case. Might have to hang it on the wall of the shed then myself or 'straight to the pool room'. Awesome piece of engineering.

No probs and like Sven below has said, put them on. They will work a lot better than 1 carby by a long way. I had the EA81S in a MY wagon and loved it. Imagine them with both carbies reworked, a ground cam, larger valves, HC pistons and a free flowing exhaust... Oooooh yea

sven '2' wrote:If they fit, put them on for sure.

While the total power is not there cf the JDM variant, how the power is made is a whole new ball game