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Re: Building the A-series??? |
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Just can't stay away  
Joined:
2006/5/5 8:43
From brisbane
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Quote: I think i read somewhere that my A-12 head will not work on the a- 15, and same with my intake and exhaust? it will bolt on but a12 have very small ports (unless its a gx) if you get an a14\a15 you would do better to work the head that is on it
Posted on: 2007/1/29 4:34
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Re: Building the A-series??? |
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Home away from home  
Joined:
2004/10/21 5:55
From Vancouver WA. U.S.A.
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what about using my A-12 intake?
Posted on: 2007/1/29 5:06
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_________________
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Re: Building the A-series??? |
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Home away from home 
Joined:
2005/8/6 1:53
From Selah, Washington
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O hell I will let that go too!
Posted on: 2007/1/29 5:14
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Re: Building the A-series??? |
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No life (a.k.a. DattoMaster)  
Joined:
2002/3/20 3:40
From Melbourne, Australia
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a12 intake bolts up differenlty and has round ports (to suit a-12 head)
a14/15 use oval ports
all exhuast ports and bolt patterns are the same though
Posted on: 2007/1/29 5:14
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Re: Building the A-series??? |
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Home away from home 
Joined:
2005/12/7 4:37
From Bendigo, Victoria, Australia.
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Quote: my race motor runs to 9200rpm what valve train do you have? ie double springs or what?
Posted on: 2007/1/29 6:00
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_________________
"Like a Rolling Stone"
Bob Dylan
New Daily: <<<<Now For Sale.
1972 B110, 13" Bathurst mags, airbrus
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Re: Building the A-series??? |
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Home away from home 
Joined:
1999/9/13 11:15
From Tracy ,Ca
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Quote:
Ronald wrote:
Quote:my race motor runs to 9200rpm
what valve train do you have? ie double springs or what?
double valve spings, titaium retainers, roller tipped rocker arms, lighter lifters, light weight valves 40mm intakes and 33 exhaust with 7mm stems and custom push rods
Posted on: 2007/1/29 10:35
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Re: Building the A-series??? |
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No life (a.k.a. DattoMaster) 
Joined:
2004/5/28 5:02
From Adelaide, South Australia
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Well that just cant happen.
With big ports and say 40mm webers that almost takes away all the streetability of a engine anyway and with the cam ect to get the airflow to work right in the top end you'll have killed the engine down low.
I think the best you'll be able to get is a mild/hot street engine.
I'd say a14-15 block a12gx or a14gx head (which I think you guys call the nissan competition head) dual webers and run long trumpets,74/80 cam, electronic ignition, lightened flywheel,mandrel bent headers 4-1.
other mabyes lightened crank, flat top pistons.
Posted on: 2007/1/29 12:26
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_________________
"Anyone who has never made a mistake has never tried anything new"
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Put stupid oversized photo here>>
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Re: Building the A-series??? |
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Home away from home Joined:
2005/12/7 4:37
From Bendigo, Victoria, Australia.
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Quote: double valve spings, titaium retainers, roller tipped rocker arms, lighter lifters, light weight valves 40mm intakes and 33 exhaust with 7mm stems and custom push rods that explains a bit...
Posted on: 2007/1/29 22:27
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_________________
"Like a Rolling Stone"
Bob Dylan
New Daily: <<<<Now For Sale.
1972 B110, 13" Bathurst mags, airbrus
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Re: Building the A-series??? |
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Home away from home 
Joined:
2004/1/2 20:21
From Malaysia
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Instead of running on double valve springs, how effective is it by adding washers at the bottom of the valve seat area?.
Im using 2 washers per spring and can feel the difference. Rev goes higher than before. Im going for a thick washer which is equivalent to 4 normal sized valve spring washers..is it adviceable?
Posted on: 2007/1/30 1:46
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Re: Building the A-series??? |
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Home away from home Joined:
2005/12/7 4:37
From Bendigo, Victoria, Australia.
Group:
Registered Users
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well you've already done it so i spose it is...
Posted on: 2007/1/30 2:54
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_________________
"Like a Rolling Stone"
Bob Dylan
New Daily: <<<<Now For Sale.
1972 B110, 13" Bathurst mags, airbrus
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