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Match Porting an A series head.

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1380 K

Post subject: Match Porting an A series head.

Posted: Thu Jul 19, 2012 8:36 pm

848cc

Joined: Mon Apr 23, 2012 9:14 pm
Posts: 155
Location: Wagga Wagga, NSW, 2650

Anyone done this? Or heard experiences? David vizard says not to do it with the exhaust for certain reasons. But what about intake? Cheers

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drmini in aust

Post subject:

Posted: Thu Jul 19, 2012 9:24 pm

religious status

Joined: Fri Mar 19, 2004 6:19 pm
Posts: 39757
Location: near Baulkham Hills, NSW

It does help to match the inlets, particularly when I've found one MiniSp**** inlet manifold so badly made that the 2 ports were over 3mm out of position! :shock:

It was so bad I had to TIG weld one end of both flanges up, then re-mill the stud holes to align it. Then match port it to the head.

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DrMini- 1970 wasaMatic 1360, Mk1S crank, 86.6HP (ATW) =~125 @ crank, 45 Dellorto (38 chokes), RE282 sprint cam, 1.5 rockers, 11.0:1 C/R. :mrgreen:

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1380 K

Post subject:

Posted: Thu Jul 19, 2012 9:42 pm

848cc

Joined: Mon Apr 23, 2012 9:14 pm
Posts: 155
Location: Wagga Wagga, NSW, 2650

Okay ill look into this cheers, Tom

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