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Is there a difference between 1991+ intake manifold and 1990?

I have a 90 TB and intake manifold (and a lot of other '90 parts) on my VR4. I am switching the TB out for a '91 and want to know if there will be any issues attaching the '91TB to the '90IM. I only ask because I know that the 90/91 TBs are different.

Thanks in advance
 

boostedinaz

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Joined
Apr 20, 2006
Messages
4,085
Location
Scottsdale, AZ
It will bolt on without issue.
 

codeofdastreets

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Joined
Aug 30, 2008
Messages
65
Location
Palm Harbor FL
All 1g intake manifolds are the same, 90 has a different throttle body with a different tps plug. 90 fuel rail is different from a 91-94 fuel rail also.
 

EgonOlsen

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Joined
May 4, 2010
Messages
333
Location
Denmark, Europe.
sorry for hijack but does that mean the 91 galant N/A intake manifold is also the same as the VR4 one?
 

Wizardawd

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Joined
Aug 7, 2007
Messages
1,323
Location
Franklin, NC
A N/A intake will be the same except it will be missing one vac. port. More specifically, the line that the bov line usually attaches to. But, that can always be t'd off of another port.

Wiz
 

mikus

Well-known member
Joined
Jan 11, 2007
Messages
2,763
Location
Aurora IL
considering the # of mani's out there I'd find one with the BOV port, you'll wish it was there at some point.
 
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