opinion on bored tb
CF Veteran
Joined: Apr 2008
Posts: 13,952
Likes: 17
Model: Cherokee
Depends on what other mods have been done to the motor.
Openingup the bottom of a stock TB is fairly common and will provide a mild peformance increase.
Stuffing a 68mm TB onto a stock motor isn't going to do much other than empty your wallet.
Openingup the bottom of a stock TB is fairly common and will provide a mild peformance increase.
Stuffing a 68mm TB onto a stock motor isn't going to do much other than empty your wallet.
CF Veteran
Joined: May 2009
Posts: 1,844
Likes: 4
From: Glen Burnie, MD
Year: 1994
Model: Cherokee
Engine: 4.0 H.O. K&N, Borla headers, custom down pipe, magnaflow hi-flo cat, flowmaster to turn down tip
i read somewhere that you can bore out a stock throttle body to 65mm, and bore the intake to match....is this true? and if so will a stock H.O. motor with K&N, Headers, high flow cat and cat back see and performance or will i loose torque over it?
Member
Joined: Jun 2010
Posts: 113
Likes: 1
From: Columbus, OH
Year: 1996
Model: Cherokee
Engine: 4.0 of course
While researching this subject myself this site was mentioned to me. He has stock bored TB's to 63mm and matching TB spacers. Both seem like a worthwhile mod so I'm going to be doing this next month. Prices are pretty good too.
http://www.strokedjeep.com/tbody.html
http://www.strokedjeep.com/tbody.html
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Zach Smith
Stock XJ Cherokee Tech. All XJ Non-modified/stock questions go here
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Sep 26, 2015 03:24 PM
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