xj_dummy Posted June 30, 2009 Share Posted June 30, 2009 On the "2.5L" on my 86 mj, can I use wrangler performance parts on my MJ? Link to comment Share on other sites More sharing options...
Geonovast Posted June 30, 2009 Share Posted June 30, 2009 It might bolt in... but TB spacers are pretty much useless unless you have a plethora of other performance parts, and even then I couldn't justify the cost. Link to comment Share on other sites More sharing options...
xj_dummy Posted June 30, 2009 Author Share Posted June 30, 2009 Thanks for your two cents. Anyone else? Link to comment Share on other sites More sharing options...
jpdocdave Posted June 30, 2009 Share Posted June 30, 2009 tb spacer is a nice paper weight Link to comment Share on other sites More sharing options...
BLHTAZ Posted June 30, 2009 Share Posted June 30, 2009 TB spacer is a waste of time and money. :cheers: Link to comment Share on other sites More sharing options...
dunl Posted July 1, 2009 Share Posted July 1, 2009 Very minimal improvements compared to other mods....like and engine swap. :D Link to comment Share on other sites More sharing options...
philbert001 Posted July 1, 2009 Share Posted July 1, 2009 The only way a TB spacer is useful, is on a TBI, or carbed motor. Link to comment Share on other sites More sharing options...
Automan2164 Posted July 1, 2009 Share Posted July 1, 2009 The only way a TB spacer is useful, is on a TBI, or carbed motor. I am going to agree here. The only thing a TB spacer does is add to the volume of fuel/air mix, and if you are running MPI, it won't work as it would stirring up the air/fuel coming in, and adding a couple of cubic inches of available volume. Rob L. Link to comment Share on other sites More sharing options...
philbert001 Posted July 1, 2009 Share Posted July 1, 2009 The only way a TB spacer is useful, is on a TBI, or carbed motor. I am going to agree here. The only thing a TB spacer does is add to the volume of fuel/air mix, and if you are running MPI, it won't work as it would stirring up the air/fuel coming in, and adding a couple of cubic inches of available volume. Rob L. :yes: Link to comment Share on other sites More sharing options...
Geonovast Posted July 1, 2009 Share Posted July 1, 2009 The only way a TB spacer is useful, is on a TBI, or carbed motor. He has a TBI motor. Link to comment Share on other sites More sharing options...
BLHTAZ Posted July 1, 2009 Share Posted July 1, 2009 The only way a TB spacer is useful, is on a TBI, or carbed motor. He has a TBI motor. Still a waste of money IMO. For the money spent, there are no significant gains in MPG or HP. I have tried them on 3 different engines in my years and have been disappointed in all. Link to comment Share on other sites More sharing options...
Automan2164 Posted July 1, 2009 Share Posted July 1, 2009 Still a waste of money IMO. For the money spent, there are no significant gains in MPG or HP. I have tried them on 3 different engines in my years and have been disappointed in all. I have noticed a "small" seat of the pants improvement, but nothing life changing. For the price, if you have a TBI setup, just want to eek out some more minimal ponies, and add some anodized colors under the hood, go for it. They are only about $100. Rob L. Link to comment Share on other sites More sharing options...
philbert001 Posted July 1, 2009 Share Posted July 1, 2009 The only way a TB spacer is useful, is on a TBI, or carbed motor. He has a TBI motor. Sorry. I didn't know that. I've never had a jeep with 2/3 of a motor! Link to comment Share on other sites More sharing options...
Geonovast Posted July 1, 2009 Share Posted July 1, 2009 The only way a TB spacer is useful, is on a TBI, or carbed motor. He has a TBI motor. Sorry. I didn't know that. I've never had a jeep with 2/3 of a motor! 86-90 2.5 was TBI. Went to MPFI in 91. All 4.0s are MPFI. :thumbsup: Link to comment Share on other sites More sharing options...
philbert001 Posted July 2, 2009 Share Posted July 2, 2009 The only way a TB spacer is useful, is on a TBI, or carbed motor. He has a TBI motor. Sorry. I didn't know that. I've never had a jeep with 2/3 of a motor! 86-90 2.5 was TBI. Went to MPFI in 91. All 4.0s are MPFI. :thumbsup: I knew all 4.0's were MPFI, but I haven't even looked at a jeep 4 banger, much less wrenched on one! Link to comment Share on other sites More sharing options...
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