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There was no 390GT engine in 1969. By Dave Shoe - 01/23/2004 8:29:34 AM; IP 216.243.176.34 The 390GT engine was a 1966-68 engine. In 1969 the engine was demoted to 390IP and was basically a 390 4V station wagon motor with 600CFM Autolite. Ford demoted the 390 to 2nd tier performance levels in 1969 becuase the CJ became available. Removing the hot cam meant thermactor could be deleted, saving money and increasing profit. The spendy Holley also disappeared saving some more money which went directly into profit, since the car sold for the same price with the slick sounding "Improved Performance" air cleaner label replacing the "High Performance" label, and fitting somewhere above the "Standard Performance" category. The milder cam of the standard FE (nontGT/CJ/PI) did not have sufficient overlap to eject raw gasoline out the exhaust, and so did not need Thermactor to pass Federal emissions. Thermactor was available as a $46.00 option, but was still required on the IP in some pollution-troubled municipalities, apparently automatically ordered for cars delivered to more troubled California and New York locations. I don't have specific info right now, but I can probably dig it up if time permits. I hope to find time, but am pretty swamped right now. Shoe.

This thread, so far...

Skip Navigation Links.  390GT smog tubes same as 428 cj?n/m -- pop428, 01/22/2004  Depends on the specific car line(s) & model year(s). [n/m] -- Mr F, 01/22/2004  Let's start with say, mustang 1969 n/m -- pop428, 01/23/2004 There was no 390GT engine in 1969. -- Dave Shoe, 01/23/2004  Noting Dave's exceptions, above, the answer is, 'Yes'. :-) [n/m] -- Mr F, 01/23/2004  RE: Depends on the specific car line(s) & model year(s). [n/m] -- warren, 03/13/2004

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