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porting intake 

 

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 Post subject: porting intake
Posted: Sun Apr 01, 2007 6:51 am 
Stock as a Rock
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Location: darwin
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does anyone know of a good business that has experience in porting & matching upper/lower exporer manifolds.

do you need to supply heads to port match, or can the services be done by using gasket outline?

cheers

 

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 Post subject: Re: porting intake
Posted: Sun Apr 01, 2007 9:18 pm 
Getting Side Ways
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TKFDXR8 wrote:
does anyone know of a good business that has experience in porting & matching upper/lower exporer manifolds.

do you need to supply heads to port match, or can the services be done by using gasket outline?

cheers
best is heads,manifolds,exhaust-------can be gasket matched,are you using weeeezer heads or something better.if better heads,flow match them----big difference.who does them up north ?

 

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Posted: Sun Apr 01, 2007 11:40 pm 
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Never port match the exhaust :!:

Port matching will need the heads to be present. Gasket matching is only a good idea when the gasket size is nearly the same as the ports. If significantly larger, gasket matching will hinder flow as it has to expand & contract, slowing it down & speeding it up, reducing the amount of air:fuel mix that gets into the chamber before the valve closes.

For an explanation of how port & gasket matching is done, see this link.
http://www.fordmuscle.com/archives/2003 ... ndex.shtml

 

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Posted: Mon Apr 02, 2007 2:18 am 
Stock as a Rock
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thanks mate,

but couldn't you just provide the porter with the head runner trace as they did in the article.

the problem i have is that no-one in darwin can do this stuff so i'll have to send off down south. so if i could avoid sending the heads that would be better. anyone know of any good places?

i an currently in the US so another alternative is to buy the explorer manifold and get it done here, as i am buying a set of GT40X and getting a bit of work done to them aswell. just have to gin around getting them back to Oz.

so, a set of gt40p and a explorer intake may be for sale :wink:

 

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