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DO I HAVE A BIG VALVE HEAD??????

 
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baycie bayce
petrol head


Joined: 07 Aug 2002
Posts: 1642

PostPosted: Sun Dec 01, 2002 9:35 pm    Post subject: DO I HAVE A BIG VALVE HEAD?????? Reply with quote

Ok on my g180 i have a heavily ported head with the number 11 on it and it has no isuzu symbol on the front of it. ive read all the articles in the search and everyone has conflicting points of view. is enyone positive they know? and what is the difference anyway? 2mm? 4mm?
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TXcoupe
petrol head


Joined: 05 Oct 2001
Posts: 1675

PostPosted: Sun Dec 01, 2002 10:59 pm    Post subject: Re: DO I HAVE A BIG VALVE HEAD?????? Reply with quote

the difference is 2mm
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baycie bayce
petrol head


Joined: 07 Aug 2002
Posts: 1642

PostPosted: Sun Dec 01, 2002 11:08 pm    Post subject: Re: DO I HAVE A BIG VALVE HEAD?????? Reply with quote

so do i have a big valve head???
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TXcoupe
petrol head


Joined: 05 Oct 2001
Posts: 1675

PostPosted: Sun Dec 01, 2002 11:21 pm    Post subject: Re: DO I HAVE A BIG VALVE HEAD?????? Reply with quote

wat sizes are ur valves?
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baycie bayce
petrol head


Joined: 07 Aug 2002
Posts: 1642

PostPosted: Mon Dec 02, 2002 12:05 am    Post subject: Re: DO I HAVE A BIG VALVE HEAD?????? Reply with quote

i dont know, the head is on the engine and i dont want to pull it appart just to find out. ...hopefully 42 and 34 Smile
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spud
petrol head


Joined: 05 Apr 2002
Posts: 1106

PostPosted: Mon Dec 02, 2002 12:31 am    Post subject: Re: DO I HAVE A BIG VALVE HEAD?????? Reply with quote

the cast numbers for the big valve heads are 7 14 and 21 acording to adam.
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TXcoupe
petrol head


Joined: 05 Oct 2001
Posts: 1675

PostPosted: Mon Dec 02, 2002 12:38 am    Post subject: Re: DO I HAVE A BIG VALVE HEAD?????? Reply with quote

no they are a rough guide
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baycie bayce
petrol head


Joined: 07 Aug 2002
Posts: 1642

PostPosted: Mon Dec 02, 2002 12:40 pm    Post subject: Re: DO I HAVE A BIG VALVE HEAD?????? Reply with quote

i dont know, the head is on the engine and i dont want to pull it appart just to find out. ...hopefully 42 and 34 Smile
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baycie bayce
petrol head


Joined: 07 Aug 2002
Posts: 1642

PostPosted: Mon Dec 02, 2002 10:04 pm    Post subject: Re: DO I HAVE A BIG VALVE HEAD?????? Reply with quote

oops, ignore that last one
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