Originally Posted by superchargedtrofeo
Just wondering why you are running an EGR in this pic??
you know you are just dumping 1200 degree exhaust back into your intake right?
Please explain why GM dumped the EGR on the 90-92 3800 TPI and 89-93 3300 Motors.. Only to add the EGR back onto the TPI 3800 for 93...
The 3300 was dropped for the 94 model year...
Now keep in mind, Compression wise, Head and Valve wise the L67 and L27 used the same parts( series I )...
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