I'm about to port my intake and stuff, but I now nothing about materials and what bit goes with what. I have a Dremel already and am going to get the cord-thingy that allows more flexibility, but I need to know which bits to use. I hope you guys don't mind my asking - I know porting has been covered extensively in general, I just need to know the right bits to buy. If possible, could somebody take a pic of the right bit as well so I'll know I got the right one? And how many would I need to get? Thanks a lot guys!

 

I haven't played with a Dremel. I use a die grinder. But you use what you have. If you compare a steel bit to a Al. bit, the AL. bit will have the teeth farther a part to minimize clogging. On a grinder bit, it's like every other tooth is missing.

 

Although I've heard of it, I have no idea what a die grinder is. I assume its not something I'd just want to buy for this right now, so I'd appreciate it if somebody who's done it with a Dremel could tell me which bit to buy. But thanks for the tip on knowing the difference between Steel and Al bits.

 

Does your Dremel use 1/4inch or 1/8thinch bits? If 1/4inch, many of the Import tool houses have sets of 10 bits (various shapes) for like 10 bucks.

They're really only good for Al, plastic and wood...soft stuff...and won't lat long on iron, but the price is right for Al projects.

I don't know if they come in 1/8thinch shanks. Harbor Frieght and Post tool come to mind in my area.

 

One more thing, Makita makes an electric diegrinder...it's a nice pice...variable speed to 25K rpms, uses 1/4 bits. Priced about 90bucks. I ordered one a few days ago from www.use-enco.com.

 

I really didnt know there was more than one Dremel size. Its a small size, whatever that is - I guess near 1/8th. I'm not going to get a die grinder at this point. The Dremel I have anyways is the good variable speed one, real nice piece.

 

Get the large metal bit, it has teeth that are spaced pretty far apart. Whatever you do DO NOT use the stones. They will load up with material and can come apart explosively at high RPM's.
BTW Dremmel tools use 1/8" bits as standard, you can get different size collets or the 3 jaw chuck for them, but don't try to use a 1/4" bit in the tool, you'll damage the dremmel. Using the dremmel tool for intake porting is going to take a bit of time, go slow and don't force the tool or you'll burn out the bearings in it from the side loading.

 

I used a dremmel to siamese port my upper intake plenum. Now if your doin the upper intake a dremmel works perfect, but if ur doin you lower intake I would advise a die grinder. Also to make this port job worth while just siamese the ports!! I did and it was damn noticable!! Better than just smoothing the restrictive "boxs" hes a pic of my intake all ported... I also am usin my stock runners, I just radioused the ends a bit so it wasnt square..