who has a ported 78 mm TB and did you really get any gains out of it...
id rather spend money on this than a TB spacer that whistle lol...

 

Subscribed. I'm buying headers next week and thought about getting a ported stock throttle body to if it is worth it. I will be getting my tune adjusted for the headers and figured more air in and more out is always good.

 

bump for any input...

 

after my buddy ported his throttle body it deff makes alot more noise its alot deeper

 

I ported my own, don't know about any rwhp gains, but it definitely improved throttle response. If you have a Dremel and are careful, IMHO it's worth it.

 

did mine with a dremal, and it's well worth it. but you can only notice a change in throttle response.

 

Ive got a Shaner ported and polished throttle body and it definately made a difference in throttle responce, no doubt about it. I say go for it.

 

Can you tell me what bit was used in the dremal? I am fairly skilled at using one and I have a lot of different bits. I am just not 100% sure which would be best.

 

Check out this link for some pictures of what you'll be shooting for

https://ls1tech.com/forums/northwest...ner-s3-tb.html

 

I used a handful of those sandpaper wheels, get plenty though, they wear out fast. Go coarse at first, then fine and finer to finish it off. Get a can of compressed air computer duster to clean it off as you work. I didn't touch the area where the blade closes b/c that can mess up your idle.