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Primaries and Secondaries...which are which??

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Old 11-18-03, 08:02 AM
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Primaries and Secondaries...which are which??

Pulled the injectors out of my terminally flooded '88 last night so I can take them to get cleaned/checked.

Which ones are which though. I know the spark plugs "feel" backwards since t=top=trailing, and l=lower=leading...are the injectors the same way?

I'm guessing that the primaries are the ones that are UNDER the Upper intake manifold, and place VERY close togethor. Making the ones that are almost too easy to get to right on top the secondaries...Although I am unsure. Can someone help me out here?


Also anyone know what the stock '88 GXL injectors are SUPPOSED to flow? I need to tell the guy at the shop so he can check them (alhough I would think he would be able to tell)

Thanks in advance for any help.
Old 11-18-03, 08:19 AM
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You are correct, and the N/A FC injectors are 460cc., while the Turbo2 are 550cc.
Old 11-18-03, 08:22 AM
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Originally posted by Rxmfn7
You are correct, and the N/A FC injectors are 460cc., while the Turbo2 are 550cc.
Cool thats what I needed to know. Primaries on bottom, and 460cc flow.....thanks for the quick info.....The people on this board rock, always a good quick answer with a 99.9% assurance of accuracy! Best source for information EVAR!
Old 11-18-03, 08:26 AM
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