was bored today and I decided to do this really quick. fairly easy, I didn't even have a dremel, I used my cordless drill with dremel bits. The picture is before I polished it and smoothing it out (the white stuff you see is where I marked the throttle plate at rest), the plate I knifed the edges top and bottom and polished both sides making it smooth. cost me $10 and an hour.

my butt dyno says a 3hp increase in better throttle response, supercharger whines a little louder as well.

 

Not bad at all! Should hit it with some emery cloth to smooth out those scratches a bit.

 

yeah now you need the polish aspect

 

How did you know how much to take off

 

that picture was taken just before I smoothed it out, it defiantly doesn't look like that. Just a size comparison, You can see I got that lip out in the middle.

 

I didn't, just took off what I thought was necessary and made it as even as I can without taking off too much (or not at all) where the plate sits. Turned out real well.

 

Well, my car showed 5WHP with a slightly enlarged throttle body...so i dont deny a gain...

 

Did you have to tune after. And how do you Polish it to smooth it out jw

 

I personally didnt have a tune, just a raw gain of 5whp, im not sure about the OP

 

does iy idle ok for with a larger gap around th throttle blade at idel to me would raise the rpms a little yes no? either way A+ for doing it yourself and not blowing a 100+ bucks

 

ya no tune, my afr was pretty much the same o2 should compensate for the small air increase. not sure what happens when you take from around the plate because our throttle is open 16% at idle anyway, just to be safe I just smoothed around it.

 

So pretty much mark where the plate sits and make sure not to touch their

 

correct, you can defiantly smooth it out around where the plate sits a little with what looks like; I used a wire polish sanding wheel of some sort (idk what it's called, but it's a little softer), but everything else that isn't touching is fair game..... maybe I should have took more pics and did a write up for you guys, sorry.

 

nice that looks like a similar port that my saturn motorsports TB has!

 

I still disagree with this number like I have said in the past. My sits at about 7-9%..

 

^ mine sits at 12%

 

according to my interceptor at cold start. That's just where it's at.

 

check it on HPT my guess its different.

 

So what you're saying is take off my TB and come over and you'll do mine next?!

How's Friday sound?

 

3hp according to the butt dyno? Yours must be calibrated better than mine..

 

sounds like crap! lol, i have school

eh, i think its pretty accurate...

 

wat did you have to do to run the 3 in DP on ur GMPP exhaust?? anything special?

did you have to do anything to ur GMPP exhaust to get that 3 in DP to work?

 

No it has a 2.5 bolt in

 

When then?!