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 throtle body spacer

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paramedac
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Number of posts : 221
Age : 51
Location : San Antonio
Rig : 1995 yj soft top half doors
specs. : 1.75 shackle lift 31x10.5x15 mud rovers,aftermarket bumpers but still the 2.5L
Registration date : 2010-03-23

PostSubject: throtle body spacer   Wed 20 Apr 2011, 10:20 am

how much improvement will a spacer make on my 1995 2.5? All input appreciated.
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r_unda
Seasoned Vet
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Number of posts : 794
Age : 34
Location : Corpus Christi, TX
Rig : 1998 Jeep Wrangler
specs. : 2.5L-4 Cyl., 33x10.5 BFG's Mud tires, 2.5 in. lift springs, 1.25 in. BL, 1 in. MML, 4.88 Gears, Front Powertrax No-Slip, Rear E-Locker, Chromoly axle shafts, SYE, Tera Low & 2Low, UCF Tummy Tuck, etc
Registration date : 2010-03-12

PostSubject: Re: throtle body spacer   Wed 20 Apr 2011, 12:11 pm

Not exactly the answer for your question but I have a 32mm bored throttle body and also a 1" 32mm spacer and I could feel the difference in acceleration response. Itís not a huge difference but you can feel it. Donít go buying any expensive brand since the gains are not worth the expense. I got both of them off ebay relative cheap. You exchange your TB for a bored one to keep the cost down.
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Deacon
Got No Life
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Number of posts : 1482
Age : 37
Location : Helotes, TX
Rig : '06 TJ
Registration date : 2009-07-06

PostSubject: Re: throtle body spacer   Wed 20 Apr 2011, 3:52 pm

I'm looking at picking up a '97 4-banger TJ myself, so this is kind of interesting, but if it's anything at all like the 4.0L, the only measurable benefit will be to the credit card company's bottom line. Like so many other engine mods, they only benefit you if they're the bottleneck to begin with, and the ability of the intake manifold to feed air and fuel is not the bottleneck.

Like r_unda said, you may "feel" some slightly better throttle response, but other than maybe hearing more of a sucking or whooshing sound, there won't really be any other feedback.

If you want to make it snappier off the line, I think really the proper solution is going to be gearing deeper. That may limit your overall top speed, though.
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DangerMouse
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Number of posts : 666
Age : 43
Location : Floresville,TX
Rig : 2005 Jeep Wrangler Willys Edition
specs. : Pro Comp lift, soft 8 wheels, 33x13.5x15 Nitto Mud Grapplers
Registration date : 2009-08-03

PostSubject: Re: throtle body spacer   Wed 20 Apr 2011, 4:40 pm

Forget what Deacon says about his gearing mumbo-jumbo.....drop a V8 in that puppy Twisted Evil
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Deacon
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Number of posts : 1482
Age : 37
Location : Helotes, TX
Rig : '06 TJ
Registration date : 2009-07-06

PostSubject: Re: throtle body spacer   Wed 20 Apr 2011, 5:55 pm

Well, yes, but hey Very Happy
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