[snorcus]

I have aquired a used plastic TB for my 05 duratec and am just ondering if anyone has any tips on how and what to use to bore it out, if it is even posible?
Any help would be appretiated. Thanks Boys and Gals

[Drivesthebeast]

I wouldn't even bother having the OEM one ported or modified. Unless of course, money is a big issue. I'd say to get an aftermarket one instead. Like a FS or FC one. They will work better than a modded OE one in the longrun...IMHO...

[Tiketz]

Drivesthebeast,Sep 27 2006, 05:42 PM Wrote:I wouldn't even bother having the OEM one ported or modified.  Unless of course, money is a big issue.  I'd say to get an aftermarket one instead.  Like a FS or FC one.  They will work better than a modded OE one in the longrun...IMHO...
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I agree just spend the extra cash on a TB

I got mine from Focus Central

:D

[NikiterZTS]

yea just buy a 65mm one.....they work "better" and you always can screw up on the stock tb when you're tryin to make it wider

[darkpuppet]

call me old school, but some of the aftermarket throttle bodies have had issues with throttle position sensors and return spring issues.

And considering the horsepower they give you is mostly due to the different load calculations they give the car because the throttle position will now measure different amounts of air, I'd say that porting the stock TB is a very safe and economical way of improving throttle response.

And really, it's hard to screw up if you follow the Hot-to's.

for what they do, I couldn't really recommend the price of an aftermarket TB....

[Tiketz]

I haven't had a problem with my after market TB

[darkpuppet]

Tiketz,Sep 28 2006, 10:05 PM Wrote:I haven't had a problem with my after market TB
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I'm not saying that people are guaranteed to have problems, only that there have been problems in the past... not to mention that the gain in HP is pretty minimal for the price too.

[Flofocus]

darkpuppet,Sep 28 2006, 06:49 PM Wrote:call me old school, but some of the aftermarket throttle bodies have had issues with throttle position sensors and return spring issues.

And considering the horsepower they give you is mostly due to the different load calculations they give the car because the throttle position will now measure different amounts of air, I'd say that porting the stock TB is a very safe and economical way of improving throttle response.

And really, it's hard to screw up if you follow the Hot-to's.

for what they do, I couldn't really recommend the price of an aftermarket TB....
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listen to this guy. The gains you get form a Aftermarket tb dont justify their price. Port the stock one, I did it on my old tb and loved the added response.

[NikiterZTS]

meeh....i'll stick with my aftermarket one....it works good

i agree its pricy

[ANTHONYD]

15 min and a dremel will save you some $$$$ in this case.

[snorcus]

Thanks everone I think I will try the dremol and if that doesnt work I will look into the prefab one.

[S2]

Ahhhhh if you got it try it, why not.........

but a DIY stock TB won't ever be like an aftermarket TB with performance, etc and overall 'gains' in general.

[NikiterZTS]

i would love to see some pics or somethin of how exectly people do it with their stock tb's

anyone?

[snorcus]

I would love to see those pics too if anyone has some.

[darkpuppet]

S2,Sep 29 2006, 03:56 PM Wrote:Ahhhhh if you got it try it, why not.........

but a DIY stock TB won't ever be like an aftermarket TB with performance, etc and overall 'gains' in general.
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Aftermarket throttle bodies don't really give you that much more performance. There are so many other restrictions on the TB, that having the extra 3 mm opening won't compensate for the 10mm shortfall in the MAF.

The better flow offered by aftermarket TBs is primarily good for throttle response, which you can get if you just port out the stock TB..

If you go agressive with an NA setup, a larger throttle body down the road may be beneficial as you try to free up the car's breathing.

However, if you do FI, once again, the aftermarket units don't make much of a difference over a ported stock besides how they skew the tune (which can actually lead to issues if you don't correct for earlier WOT characteristics).

[darkpuppet]

snorcus,Sep 29 2006, 04:03 PM Wrote:I would love to see those pics too if anyone has some.
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check the how-to's .. will dig around and see if I can find pics of one done... you'll need some epoxy to beef up the area of porting.. that's the hardest part..

after that, it's a matter of grinding away..

[Drivesthebeast]

If you're worried about the price of an aftermarket one, find a decent used one like I did...sure, they are expensive new, but think of it this way...a lot of S/C kits and other goodies work great with the aftermarket ones. The only problem I've had with my own car is that the linkage and throttle cable need a bit of lubrication about every 4 months...otherwise the throttle hangs up sometimes. Other than that, it's been flawless...