Lt1 gas mileage, worse than ls1 ?
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the lt1 will get worse mileage. It's because of how the fuel systems are setup. the ls1 is Sequential injection which fires the injectors one at a time, the lt1 is Multiport fuel injection which pulses the entire bank of 4 cylinders at a time. I do also agree that lt1s are fun for cruising cuz their torque comes in alot lower.
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94 and up cars are indeed sequential fuel injection and yes the ls1 cars do get slightly better milage but not by much i have seen 28-29 mpg at most with my car usually im sitting at about 27 mpg witht the cruise set at 80
im sure if i ever did go on a long trip going slower like around 70 or so i could see closer to 29-30 mpg
im sure if i ever did go on a long trip going slower like around 70 or so i could see closer to 29-30 mpg
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Originally Posted by PunkerPontiac
the lt1 will get worse mileage. It's because of how the fuel systems are setup. the ls1 is Sequential injection which fires the injectors one at a time, the lt1 is Multiport fuel injection which pulses the entire bank of 4 cylinders at a time. I do also agree that lt1s are fun for cruising cuz their torque comes in alot lower.
Better yet, the Ultimate Lt1 Newbie Faq sticky is a good place to look for this kind of information too.
Intake and Fuel Delivery
Fuel Delivery: Electronic Fuel Injection, sequential port
Injector Size: (17124248) 3.0gps, 22lbs/hr speed density (1992-1993), 24lbs/hr mass airflow (1994-1997)
Throttle Body: 48 millimeter twin butterfly
Intake Manifold: (12552137) Aluminum
#13
think I'm getting like 10mpg...I honestly don't know, but it's not a pretty picture, she' likes ONLY high octane...she LOVES race fuel...$$$$$$ so it's a treat to get to drive her around, just expensive...price you pay for ridiculous setups I guess