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RED BLUE BLACK 9 port 12 port Yella Terra Performance Flow Chart Manifold HEAD

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Poll: PORT Matching (4 member(s) have cast votes)

Is the 12 Port manifold too big

  1. Yes (1 votes [25.00%])

    Percentage of vote: 25.00%

  2. Voted Just right (3 votes [75.00%])

    Percentage of vote: 75.00%

  3. Wrong application (0 votes [0.00%])

    Percentage of vote: 0.00%

  4. Need a flow chart to match (0 votes [0.00%])

    Percentage of vote: 0.00%

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#1 N/A-PWR

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Posted 09 April 2015 - 08:50 PM

Hello all,

 

I was just checking out different 9 port inlet manifolds and now realize,

 

that the new 12 port Aussie-speed inlet manifold may suit my set-up well:-

 

Attached File  Manifold matching.jpg   244.39K   9 downloads

 

 

what do you all think, is the 12 port manifold too big?

 

 

reference site:-

 

Port_Differences_Holden_six_red_blue_bla

http://www.kustombit...ella-terra.html

 

 

 



#2 N/A-PWR

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Posted 09 April 2015 - 08:52 PM

my inlet ports are 62mm x 43mm


Edited by NA-PWR, 09 April 2015 - 08:57 PM.


#3 SA EH

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Posted 09 April 2015 - 09:02 PM

Don't tell me you're putting a 4 barrel on it Dave?!?

#4 N/A-PWR

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Posted 09 April 2015 - 09:05 PM

No, the 2bbl works fine Jonesy,

 

if there were a need to go better, then that is later.  :furious:

 

 

Don't tell me you're putting a 4 barrel on it Dave?!?



500 to 730cfm 2bbl



#5 Ice

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Posted 09 April 2015 - 09:10 PM

500 should be plenty

#6 N/A-PWR

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Posted 09 April 2015 - 11:18 PM

Be nice if Aussie-speed made a 12 port manifold like oldjonno's manifold:-

 

black_carb_manifold.jpg

http://www.gmh-toran...ne/#entry705957

 

otherwise, will have to make an adapter plate to turn the 4412 holley 90° for the 4 bbl manifold.  B)



#7 warrenm

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Posted 09 April 2015 - 11:35 PM

You can't fit 3x2" SU's on that thing.:(



#8 duggan208

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Posted 09 April 2015 - 11:40 PM

Why not weld another 2 350 mounts on each manifold runner. I've though about welding 2 WW strombies on a twin manifold for years, havn't got a TIG.

Regards



#9 N/A-PWR

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Posted 09 April 2015 - 11:43 PM

Hello Warren,

 

How much does a good set cost?

 

You can't fit 3x2" SU's on that thing.:(



Do you mean triple holleys?

 

Why not weld another 2 350 mounts on each manifold runner. 

Regards



#10 duggan208

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Posted 10 April 2015 - 11:20 PM

Yep, I've done it before. A set of modified Armours manifolds that I foolishly sold a long time ago, if i ever see them again I'll be seperating with probadly too much money.

Regards



#11 N/A-PWR

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Posted 10 April 2015 - 11:29 PM

Wow, Gold in the making, I wonder who did well with them Jon?  :D



Yep, I've done it before.

Regards



#12 duggan208

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Posted 11 April 2015 - 11:56 PM

they uesd to stick through the bonnet. they were originally set up for 3x2 WW Strombies, but all i did was use 3 adapters. On day with the Strombergs the back one backfired blew the air cleaner off, it went a long way up in the air, looked back through the revision mirror and the air cleaner landed on the bonnet of a taxi. Unfortunatly the holleys that i tried were all very worn out, I had them ideling and running well. the linkage was a bloody night mare. I could set them up a lot better now, the one that got away.

Regards



#13 N/A-PWR

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Posted 12 April 2015 - 11:51 AM

Amazing Jon,

 

One day with the Strombergs the back one backfired blew the air cleaner off, it went a long way up in the air, looked back through the revision mirror and the air cleaner landed on the bonnet of a taxi.

 

I had a Fan blade shear off on the X2 HR, and that shot threw the bonnet, never to be found.

 

 

Here is a Triple carburetor adapter for a 4BBL manifold:- 

 

1352003_L.jpg

http://www.speedwaym...apter,8955.html

 

wouldn't think that, that would work properly hey.  B)


Edited by NA-PWR, 12 April 2015 - 11:53 AM.


#14 Uncle Chop Chop

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Posted 12 April 2015 - 04:07 PM

I'm with you Dave, I don't see why anybody would bother.



#15 Lazarus

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Posted 13 April 2015 - 10:24 AM

Why not just go 12 port and build one of OJ's Holley 2bbl  to factory Varijet style manifolds ?

 

 

For a little more than you'd spend on a Aus Speed manifold you can buy a Stage 2 ported blue/black head off that guy on ebay.



#16 duggan208

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Posted 13 April 2015 - 11:44 PM

That manifold adapter would be a disaster.

Regards



#17 N/A-PWR

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Posted 29 May 2016 - 08:25 PM

OK for information purposes,

 

 just did a rough measurement of the 186 wilkie stage 5 head of mine,

 

No's. 1 & 2 inlet port, with the face size being 61x43mm, and feeds the two inlet valve size's of 1.625".

 

The port has had the boss removed and replaced with a bolt sleeve.

 

 

The picture shows water as the medium, as 1 gram of water = 1 cc,

 

 and used a 100 gram measuring scale twice to get the whole port size measured,

 

 which came to 182.3 grams = 182.3 cc:-

 

Attached File  9 Port 182cc No 1 & 2.jpg   66.99K   4 downloads

Attached File  9 Port 182cc No1 & 2.jpg   81.41K   0 downloads


Edited by NA-PWR, 29 May 2016 - 08:33 PM.


#18 I'm a Red Motor fiend

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Posted 30 May 2016 - 09:03 AM

Have you ever had this head flowed Dave? Mine is almost identical to yours. 186 head, touch over 100 thou off (no witness mark left) same valve and port size. Mine is in the car tho so I cant test it as you have. Mine flowed 187 cfm at .050".

#19 N/A-PWR

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Posted 30 May 2016 - 09:37 AM

Hi Adam,

 

have not ever had a flow test done,

 

 will be very interesting to see if she flows well.

 

Yours has a decent amount,

 

 and how does your engine perform?

 

 as @ 0.050 is where the exhaust is still scavaging?



#20 N/A-PWR

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Posted 30 May 2016 - 10:34 AM

I think you ment 187cfm @ 0.500" lift. :)



#21 I'm a Red Motor fiend

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Posted 30 May 2016 - 02:09 PM

Yes mate, 0.500 not 0.050. Thats my dyslexia lol, got my jords wumbled. Really happy with my tune and performance at the moment. Head is on a 208, 11.3 comp, Waggot 104, triple 1.75 SU's. Very snappy, very responsive. Will light the tyres in third and keeps the big ass V8 commodore taxis honest.

#22 _Skapinad_

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Posted 30 May 2016 - 02:20 PM

Yes mate, 0.500 not 0.050. Thats my dyslexia lol, got my jords wumbled. Really happy with my tune and performance at the moment. Head is on a 208, 11.3 comp, Waggot 104, triple 1.75 SU's. Very snappy, very responsive. Will light the tyres in third and keeps the big ass V8 commodore taxis honest.


What's it run down the quarter ?

#23 N/A-PWR

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Posted 30 May 2016 - 02:26 PM

Great, thank's for the info Adam,

 

 yeah, mine could go on any used short motor,

 

 wack a 30/70 - 41/78 cam in it, hurricane tuned extractors and a 500 holley,

 

 and she would light up 7500rpm all day, and would wear the big ends out after 2000 miles or so. :) 



and hi Adam ( skap )



Mine did 13's at 105 mph in 3rd



#24 I'm a Red Motor fiend

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Posted 30 May 2016 - 02:27 PM

Never had it down the quarter. I just enjoy playing with them and cruising on weekends when I can.

#25 _Skapinad_

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Posted 30 May 2016 - 02:29 PM

Never had it down the quarter. I just enjoy playing with them and cruising on weekends when I can.


That's what all the "quick 6" owners say :tease:





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