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A Series head porting.
 benny  2005/5/6 7:14  Tell a friend
 3260  5  0.00 (0 votes)
Here is a quick pic of an A Series head that I ported myself. It took about 8 hours to do. Based on Std valves and the valve stem guides have shortened. I guess proof that it works will be when I run the car on the track next weekend.
Benny |
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The comments are owned by the poster. We aren't responsible for their content.
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| ddgonzal |
Posted: 2014/1/12 23:56 Updated: 2014/1/12 23:56 |
Moderator   Joined: 2001/5/3 From: 48 North Posts: 31575 |
 Re: A Series head porting. How did it tun on the track?
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| D |
Posted: 2014/1/16 15:08 Updated: 2014/1/16 15:08 |
No life (a.k.a. DattoMaster)   Joined: 2002/10/28 From: under the Firmament LOL no twiglight effect BS Posts: 10924 |
Re: A Series head porting. Yeah Benny same here
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| benny |
Posted: 2014/1/19 22:53 Updated: 2014/1/19 22:53 |
No life (a.k.a. DattoMaster)  Joined: 2002/6/14 From: Sydney Posts: 2598 |
Re: A Series head porting. It went OK, It's still on the old engine sitting in the shed. Upgraded last year to the e85 burning A-series. The cam was more of a rally grind, (74 degrees FIA], and ran well up to ~7,400rpm, Pistons are 76mm oem items. Its an open chamber type head and from memory I took quite a bit off the face to increase compression a little.
I may use it again, maybe in efi turbo application one day... I think it would be a good starting point for that type of build.
cheers
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| killer1200 |
Posted: 2005/5/6 19:06 Updated: 2005/5/6 19:06 |
No life (a.k.a. DattoMaster)  Joined: 2004/5/28 From: Adelaide, South Australia Posts: 1817 |
Re: A Series head porting. Tell us if it flows well in a race situation.
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| sunny |
Posted: 2005/5/6 12:54 Updated: 2005/5/6 12:54 |
Home away from home   Joined: 2003/7/13 From: T'ville Posts: 491 |
Re: A Series head porting. did you take the short turn radius down to drop the floor of the port also ,and de- shroud the guides, as I found this had allowed a bigger increase in flow than work done on the roof of the port
looks like you have a nice even finish ,hopefully all that time to do a good job pays off !
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benny