Larger TB, better performance?
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Senior Member
Joined: Jun 2002
Posts: 228
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From: Burlington, NJ USA
Larger TB, better performance?
I am looking to upgrade my 2.9 engine with some goodies, I can either A) add a '87 2.9 throttle body which was 58mm ('88 is 50mm) for under $30 (w/o new gasket) or B) add a 4.0L throttle body for under $30 (w/o new gasket). Which seems better? Also I think the 4.0 will bolt right on just making sure...