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Has anybody here tried putting a bored out Throttle body on a WK 3.7L engine? In our testing we have seen power gains with our bored 47 mm throttle bodies on stock zx14 engines of 8hp. Electronic Fuel Injection (EFI) problems have been solved with this single bore throttle body and intake manifold. There is a ton of good info in the tech links sticky at the beginning of And if so what were the results? In our testing we have seen power gains with our bored 47 mm throttle bodies on stock zx14 engines of 8hp. Big Bore Throttle Body Truth. Measured@ butterfly stock was 76.8mm. ... is Radiused and Taper Bored to almost ... the Fastman 84mm Hemi Throttle Body. You may notice snappier throttle response, but that's it. ... the only way you'd actually be able to gain any power from a bored throttle body The more airflow that a motor demands, the more the larger throttle body will benefit the overall performance. On a built 1570 we have seen 13 hp. just to share with you guys.. it was bored out 4mm and the gains are very noteable upper manifold throttle body mount throttle body "front" I'll I'll ... (specifically for how gains). This throttle body is a direct replacement but is not simply a bored out factory unit. Despite the different in throttle body sizes all the Jeep MPFI manifolds have the same size opening. 1991 5.7L Bored TBI Upgrade Write-up (warning LOTS of pics!) 2011-14 Ford Mustang GT / Boss 302, Mustang Throttle Bodies BBK Performance Power Plus Series throttle bodies for the 2011, 2012, 2013, 2014, 2015, 2016 Mustang GT, Boss 302, Also the 2011-14 F Series Trucks with the Coyote 5.0 CNC machined from high quality Are bored throttle bodies beneficial? The service is important in order to keep the automobile run This Big Bore throttle body is designed to increase performance across the rev range. A standard OEM throttle body, ... but we recommend having your new bored & flowed throttle bodies balanced on the bike for optimum operation.) I installed the jeeprsandcreepers bored throttle body about 2 ... bored-out throttle body: ... 20 yrs experience machining throttle bodys. The Dinan throttle body appears to have been bored at a strange angle... if you look you can see that only one side of the inside of the TB appears to not have been changed at all. A standard OEM throttle body, ... but we recommend having your new bored & flowed throttle bodies balanced on the bike for optimum operation.) So, I just got my throttle body back. no other mods to the bike One of the first items on my list of "mods" was a bored out throttle body (TB). Throttle body service is the throttle body cleaning and wiping of the bore and throttle blade. Moe's Performance has raised the bar again with our new 87MM CNC ported throttle body for the new 5.7L Hemi. It won't amount to any noticeable gains in horsepower or torque. If there are numbers gain, it would only be a shift in numbers around the power band, not an actual solid gain. First, a big thanks to go-jeep's write up here and Balloo93's write up here . All units require 1 week lead time from ordering date. I have been considering doing this with thx ... it could be the throttle body 62mm Jeep 4.0L Throttle Body Machining Service. New butterfly, shaft has been machined flat also. However, on a stock engine, you'll gain nothing, not a thing. Measured@ butterfly stock was 76.8mm. New butterfly, shaft has been machined flat also. Increased to 79.8mm. does anyone know if putting a plus three throttle body on a stock head with a fci intake will gain anything or is it pointless? no other mods to the bike Bored Throttle Body for HO 4.0. So, if you are asking about throwing ONLY a bigger T/B on your stock J30, you might see some gain, or maybe not. ... has anyone tried a larger bored TB other than the MPx 68mm? This is the best, smoothest flowing design on the market. I installed the jeeprsandcreepers bored throttle body about 2 weeks ago ... bored-out throttle body See the installation and comments of a Jeepers and Creepers high flow bored out throttle body on my 2001 ... Keep the bored out one sent to ... test for small gains.