BBK Throttle Body ???

[Johnny GT]

Just a quick question...
I have installed a K&N cold air induction system. Now in my thinking that is really not going to benefit me unless I keep going.
What I am asking is, would I benefit by adding a 70mm throttle body to the mix?
If I did, do I then have to modify things like fuel supply and etc..?

Just a thought, my current record with the local highway patrol is already admirable.
So I don't want to go to any extremes, but I do like to enhance performance for that 0-60 rush.

1992 5.0 GT, AOD, Hypertech Chip, Headers, Stall, Shift Kit, K&N Cold air intake, Trani cooler, 160 stat, electric fan

 

[RsStanG1987]

Just get the 65mm the 70mm will start to choke at higher Rpms. Your fuel will be fine.

 

[bullitstang1313]

Without any other intake mods I would probably stick with 65mm. Or you could wait until you add more and then get a 70mm or bigger throttle body.