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benefits of ported N/A tb? 

 

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 Post subject: benefits of ported N/A tb?
Posted: Wed Jan 15, 2014 5:28 pm 
Stock as a Rock
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Thinking of cheap mods to gain a little extra response and suh whats the usual price of porting the standard tb on a xr6 ba.. cheers also question about getting the head shaved?..whata involved price and what they do and gains thanks. Ive been told a lil bout things but wana know more like the ins and outs gains and disadvantages ty
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 Post subject: Re: benefits of ported N/A tb?
Posted: Thu Jan 16, 2014 7:53 am 
Getting Side Ways
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Ride: EF XR6 Wagon, AU2 XR6 VCT

Power: 148 rwkw

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New Zealand

Here's a how-to on modding the E-Series throttle body. Most of it will probably work on the B-Series.
fordmods-technical-documents-diy-f38/improving-your-6cyl-e-series-throttlebody-the-diy-way-t84040.html?hilit=modified throttle body

Some have bored out their TB and had a custom throttle plate made, or upgraded to a larger TB. Have a go with Search.

It would be unusual to go to the trouble and expense of taking the head off just for the modest gains available by skimming the head for extra compression. You should at least get a multi-angle valve job and clean up the ports while you're at it. And I'm not sure how much extra compression the BA can handle anyway.

If you are looking for noticeable performance gains for reasonable dollars, look at your breathing (intake mods and cat-back exhaust; headers if you can afford them) and a performance ECU reflash, ideally to run on high octane (98 if it's available where you are) and you're prepared to pay the extra.

 

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95 EF XR6 wagon, 17" FTRs, DBA, QFM, KYB/Koni, AU block, ported EF head, SS Inductions, Territory intake, MLS gasket, milled, Franklin RH24B cam, Coby headers, no cat, Tickford 2.5", 2800rpm stall, J3 chip

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 Post subject: Re: benefits of ported N/A tb?
Posted: Thu Jan 16, 2014 4:54 pm 
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AussieXR6Grunt wrote:
Thinking of cheap mods to gain a little extra response and suh whats the usual price of porting the standard tb on a xr6 ba.. cheers also question about getting the head shaved?..whata involved price and what they do and gains thanks. Ive been told a lil bout things but wana know more like the ins and outs gains and disadvantages ty


Same size throttlebody on a turbo and they have no issues with airflow. Do you really think that opening up a TB on an NA is going to make much difference. Before anyone starts, yes you will get a small gain at peak revs, yes of course everyone drive on the rev limiter all day.
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 Post subject: Re: benefits of ported N/A tb?
Posted: Sun Jan 19, 2014 4:53 pm 
Getting Side Ways
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None.

 

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