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baycie bayce
petrol head
Joined: 07 Aug 2002
Posts: 1642
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 Posted: Sun Dec 01, 2002 9:35 pm Post subject: DO I HAVE A BIG VALVE HEAD?????? |
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| 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
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| Posted: Sun Dec 01, 2002 10:59 pm Post subject: Re: DO I HAVE A BIG VALVE HEAD?????? |
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| the difference is 2mm |
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baycie bayce
petrol head
Joined: 07 Aug 2002
Posts: 1642
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| Posted: Sun Dec 01, 2002 11:08 pm Post subject: Re: DO I HAVE A BIG VALVE HEAD?????? |
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| so do i have a big valve head??? |
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TXcoupe
petrol head
Joined: 05 Oct 2001
Posts: 1675
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| Posted: Sun Dec 01, 2002 11:21 pm Post subject: Re: DO I HAVE A BIG VALVE HEAD?????? |
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| wat sizes are ur valves? |
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baycie bayce
petrol head
Joined: 07 Aug 2002
Posts: 1642
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| Posted: Mon Dec 02, 2002 12:05 am Post subject: Re: DO I HAVE A BIG VALVE HEAD?????? |
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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  |
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spud
petrol head
Joined: 05 Apr 2002
Posts: 1106
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| Posted: Mon Dec 02, 2002 12:31 am Post subject: Re: DO I HAVE A BIG VALVE HEAD?????? |
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| 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
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| Posted: Mon Dec 02, 2002 12:38 am Post subject: Re: DO I HAVE A BIG VALVE HEAD?????? |
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| no they are a rough guide |
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baycie bayce
petrol head
Joined: 07 Aug 2002
Posts: 1642
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| Posted: Mon Dec 02, 2002 12:40 pm Post subject: Re: DO I HAVE A BIG VALVE HEAD?????? |
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| 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 |
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baycie bayce
petrol head
Joined: 07 Aug 2002
Posts: 1642
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| Posted: Mon Dec 02, 2002 10:04 pm Post subject: Re: DO I HAVE A BIG VALVE HEAD?????? |
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| oops, ignore that last one |
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