Tb replacement..

[Hydrolock]

Hey,


What is a good size (mm) tb replacement?


Thanks
Jordan

 

[AIbandit]

bore out your stocker to 63mm
or buy one from here
http://www.strokedjeep.com/index.html

 

[Tim_MN]

What is a good size (mm) tb replacement?

Based on what ?

Have any other modifications to the intake, exhaust, or engine ? What is your budget ?

60MM is perfect for a stock to slightly modified Jeep (such as a cat-back exhaust and K&N style filter). Just bore your stock TB to 60MM. Cheap, easy, and fast.

62MM+ would be for a more highly modified engine. Boring your TB and installing a larger butterfly or purchasing an aftermarket TB is more expensive. Your engine will need better than basic intake and exhaust flow modifications to show performance gains from a 62MM+ sized TB.

 

[AIbandit]

You can bore your stock one to 60 on the bottom since it tapers down causing restriction then you don't have to buy a butterfly.
there's a guide on this somewhere

 

[Hydrolock]

I have a high flow cat and a glasspack for a muffler.


Can I bore it out myself?


Jordan

 

[wolfpackjeeper]

If you have access to a small lathe, or need the excuse to buy a Harbor Freight unit yes it is easy to do so yourself. I just chucked it in and verified that it spun true, then used a bit to take out the bottom ring. Followed it up with sandpaper and a few buffing pads to polish the entire throat. Threw it back together and viola. Noticed a small difference on my stroker.