1990 2.5l want to swap throttle body to 4.0 throttle body - JeepForum.com
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Unread 11-12-2013, 04:38 PM   #1
thb03tj
Registered User
2003 TJ Wrangler 
 
Join Date: Nov 2012
Location: Procious, Wv
Posts: 35
1990 2.5l want to swap throttle body to 4.0 throttle body

Ok I have a freind that wants to swap his throttle body for a 4.0
How do you do this
Does it just bolt up
What year 4.0 trotle body do we need

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Unread 11-13-2013, 07:47 AM   #2
Que89YJ
Web Wheeler
1989 YJ Wrangler 
 
Join Date: Apr 2008
Location: Detroit, Michigan
Posts: 15,670
The TBI throttlebody setup cant be swapped. I am stuck with mine too
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Unread 11-13-2013, 10:35 AM   #3
thb03tj
Registered User
2003 TJ Wrangler 
 
Join Date: Nov 2012
Location: Procious, Wv
Posts: 35
That's what I was worried about too I thought they changed it in 89
But I guess I was wrong
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Unread 11-13-2013, 11:46 PM   #4
jsd1991yj
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1991 YJ Wrangler 
 
Join Date: Apr 2012
Location: hesperia, ca
Posts: 193
They are not interchangable until 1991 when both vehicles were given the fuel injection.
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