Alright...so yesterday Ryan drove up from Daytona to Jacksonville, and he ported my throttle body on my back porch...lol! I watched and we chatted, but it turned out really nicely.
The 4.7 throttle bodies have a 68mm inlet, but its necked to 65mm. What Ryan did was smooth out the step, and get rid of all the excess metal that was kinda "in the way"...the opening is enlarged to about 75mm...he also matched the back on the TB to the intake manifold, and gave the throttle blade a knife-edge.
Ryan goes by Sleepy4.7 on here.
It turned out really nicely. And I have to say....it for sure as heck feel as if the Jeep has a bigger mouth now. When we first took it for a test drive on the interstate, we were going about 50mph on the on-ramp. Pedal to the floor and that H.O slammed it down harder than ever before. I was really surprised. It feels like it pulls harder, and its more responsive and peppy. Passing in overdrive is effortless. Overall I'm very satisfied. Now I just have to slow it down some to see what effect it has on the fuel mileage. Ryan says with his that he saw a 1mpg increase....and I'll take whatever it wants to give me.
Here are some before and after pix, and some during pix:
Before the port:
After the port:
Stock TB on the WJ:
Ported TB on the WJ:
READ this story:
So after we get back with my Jeep, we take Ryan's Jeep for a ride, because he told me that it felt different to ride in a Jeep that still had torque management. So we took his Jeep for a ride, and YES, its a lot different. No torque management equals a lot firmer/harder shifts. Anyway...we're driving on the interstate, when a Corvette station wagon drives by...pretty loud, and slammed..I'm sure it had all kinds of goodies on it....I say to Ryan: Go on! You can take em!
Ryan laughed and said he'd mess with him little. Well...it was a very little messing with for sure...cause as soon as that guy heard Ryan's Jeep speeding up just a tad...he put the pedal down and that TB SS was gone....so we laugh it off and drive back towards to my house, and while we are on a "quiet" road, this mystery car pull's out of a neighborhood...and when I say pull...and mean pull as in spinning the tires thru the first 2 gears, and doing it screaming all the way down. We wondered what it was. Ryan guessed a Mustang...but I thought it really sounded like a GTO. It ended up being a red GTO with a HUGE cam...and Ryan was trying to get the cam's specs from the guy while we were driving down the road....hard to do over the GTO and the Jeep's exhuast...Ryan floors it...and so does the GTO...spinning the tires till he had what seemed like 10+ car lengths on us...lol!! It was a fun...