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Originally Posted by carnold
Thanks. I know the GM primary and secondary are different. Are the RC's the same for primary and secondary? Chuck.
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Just tell them the year. They'll know what injectors you need.
There's two differences between the primaries and the secondaries.
- The primaries seal by a "O" ring on the body and don't use the standard "O" ring at the bottom. The groove for the lower "O" is removed.
- The electrical connection on the primaries has a locating tab that is to one side and the secondaries have a locating tab that is in the middle of the plug.
TomC
'90ZR1 #792