can anyone tell me if i have forged pistons? i have an 89 gt 5.0 ,auto. im getting ready to install nitrous and it was brought to my attention that certain years did not have forged pistons and forged are better if your running nitrous,so if anyone knows let me know thanks....
pistons
Oct 13, 2005
4 Replies
It says here that the Hypereutectic pistons replaced the forged TRW aluminum pistons in 1993.
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It should in 89. Midway 92 changed to hyper and all 93s. In 92 some had a black oil pan and the others had either blue or grey. I don't remember which was which though.
I have a 1989 GT and the oil pan is/was grey. It is Ford blue now.
Don Manning
The '89s came from the factory with forged pistons.
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