anyone here do the task of the ultimate tbi mods, and is it worth it. also is there anyone on long ilsnad, who would be willing to help me do it, i could pay a small fee, but im only a college student

 

email camaroracer1992@yahoo.com

He can do for you for a fee. Do a search on "ultimate TBI" because this has been asked a lot.. The mods worth it, im getting mine done soon.

 

I saw a gain of .1 in the 1/4 with a mostly stock car. But ive heard that is rare.

 

Edelbrock Performer TBI Intake pn 3704


TD Performance Products TBI Spacer pn 2433
1.5 inch or so gives throttle response, torque gain and better mileage.


TD Performance Products Fuel Injector riser pn 2457
.25 inch gives 15 % more air flow through TBI

 

Here is a pic of the TBI unit that I practiced on. It was really easy but I went through a lot of bits because I let the bit get to hot and it gummed up the aluminum. I used a cutting disc on a dremmel and then radiused it with stell cutting wheely bit thingy (not sure what exactly this kind of bit is called)

 

i got ahold of a spare throttle body and started gfrinding on it. i grinded the hell outa the bores untill it looked good and even and then i took out some fine grit and sanded it really smooth and then got a little finer grit and made it shine like it was polished you couldnt tell it was done by hand. i havent ever run mine in a quarter mile or anything so i dont know for sure how much of a gain it really gave but i think it helped. also i made my throtle body spacer out of plastic and slapped it on there but since it was an old throttle body it needed a whole new gasket rebuild so i had to take it apart and put in all new gaskets the kit ended up being like 6 dollars at auto zone i used the sensors and the injectors off of my origional throttle body just to save some trouble because i knew they worked n wasnt to sure about the older ones

 

i used cylinder shaped sanding bits that i had laying around. i will try to get a pic of mine whenever i can so see what every one thinks

 

Here is a pick of the bit that I used. I also used a fine grit sandpapaer (that pic is before I hit it with the paper) and it looked like I never took a tool/grinder to it at all. I did not touch the throttle blades at all for fear of sliping and gouging the walls of the TBI unit.

 

the bit i used, cut very fast and smooth, looks like a saw blade in the shape of a drum or cylinder. never gummed up and never wore down at all. spend 15 bucks on the bit. i know, i know. but trust me, it was worth it. i could do 5 more with the same bit in probably a couple hours. its fast and/or smooth depending on the speed youve got the dremel spinning at.