6 Liter Emissions
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6 Liter Emissions
I have a 1998 Firebird Formula and I'm looking to buy an LQ4 or LQ9 (6 Liter iron block).
I was hoping to get a little insight. Does anyone here know if these engines used EGR? If so, what years was it equipped? Also, were there any other emissions provisions on these engines?
Thank you!
I was hoping to get a little insight. Does anyone here know if these engines used EGR? If so, what years was it equipped? Also, were there any other emissions provisions on these engines?
Thank you!
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Todd0060
Ford Heavy Duty
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Mar 23, 2026 06:16 AM