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help with throttle body in my 2G intake manifold ????

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rixcidia

15+ Year Contributor
280
0
Dec 5, 2007
Somewhere in BC, B.C._Canada
Hey guys will a 1G throttle body work on a stock 2G intake manifold without any modifications?

This pic i posted is the old intake manifold that is installed in my 2g and i dont think its a 2g so im replacing it with a stock 2g intake and And was hoping this throttle body that I have shown in this pic will be ok to use with the stock 2g when it comes in not sure if this is a 2g throttle body I hope so?

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Rix
 
Last edited by a moderator:
It's been a long time since I have done the 1g throttle body on a 2g . But from what I remember I had to take the 1g throttle body gasket and trace around on the manifold. Then take a die grinder to match the size difference of the 1 g throttle body to the 2g intake manifold.
 
Not the best picture but I think that is a RVR/EVO manifold.
 
That's a stock 1g manifold with a 2g throttle body.

Yes, a 1g throttle body would work without any modifications, but it won't be ideal. You'd have a 60mm throttle body opening trying to flow air into a 52mm intake manifold opening. It'd be best if you ported the intake manifold opening to match the throttle body.

You might also want to make sure you have a 2g head if you plan on putting a 2g intake manifold on there. You may have a 1g head, which would not mate up well with a 2g manifold.
 
Perfect thanks for the replies guys I'm very glad that this is I 2g throttle body because I just bought the 2g stock intake manifold to replace the one I had from a dsmtuners member he going to ship it out tomorrow i just did not wanna have to buy another throttlebody but glad this one will bolt right up, this engine its on is a newer 2g engine and head right now but they were from my old engine that was in my 2g when i bought it but it blew up and i replaced it with an 2G motor and im guessing that old one was a 1g head, my macanhic told me that intake manifold was a 2g but i knew something was very odd with it even the coil pack would not mount on it. I just want my car to be running with only 2G parts on it and fix the old owners mess.

Rix
 
if i change out my intake manifold and the throttle body does it ellminate the vaccum hose to the throttle body if i get a bigger one? or are there lines on the other throttle body... getting a magnus intake manifold and a 75 mm throttle body
 
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