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Q-Jet compatibility issue with ZZ4

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Old Sep 13, 2004 | 02:02 PM
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humiliategravity's Avatar
humiliategravity
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Default Q-Jet compatibility issue with ZZ4

I'm trying to install my Q-Jet on a ZZ4 engine but there seems to be an issue with the choke. This is a small coil in a housing on the P side of the carb which was mounted flat against the intake manifold on the original engine. On the new manifold (GM# 10185063), there is a plate that blocks off a space in the right location, but the manifold is diagonally-shaped there instead of flat.

I know people have used Q-Jets on ZZ4 engines before, but the only way I can see to remedy this problem is to use a different thermostatic coil. Is this right?

Thanks for the help! I really hope I don't need a new carb...

Dave

Edit: I just found out that this manifold uses an "integral hot air choke" so I need a conversion kit... has anyone done this?

Last edited by humiliategravity; Sep 13, 2004 at 02:28 PM.
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