FI+built 4l65. Experiences?
#1
Staging Lane
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Join Date: Dec 2011
Location: Orange County, California
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FI+built 4l65. Experiences?
I know I know I should just skip the trouble and go 4l80. Truth Is I'm too damn lazy to do it . I have an lq9 with an old mans cam and will be procharged soon, but I've been having naughty turbo thoughts lately hah. I won't go past 600rwhp. So what are your experiences with b00st and the dreaded 4l60?
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#9
TECH Fanatic
iTrader: (10)
A heavier tranny takes more power to turn. Plain and simple. You can put an Allison behind your motor and it would never break. Mileage wouldn't be as good. For the same reasons, a heavier tranny won't transfer as much power to a dyno's rollers. Not for a moment saying your setup doesn't make great power and get great fuel eco numbers. However, they would be better with a lighter tranny. Plus I do believe the O/D ratio in the 60/65 is more conducive to MPG than the 80
#10
11 sec. Truck Mod
iTrader: (12)
A heavier tranny takes more power to turn. Plain and simple. You can put an Allison behind your motor and it would never break. Mileage wouldn't be as good. For the same reasons, a heavier tranny won't transfer as much power to a dyno's rollers. Not for a moment saying your setup doesn't make great power and get great fuel eco numbers. However, they would be better with a lighter tranny. Plus I do believe the O/D ratio in the 60/65 is more conducive to MPG than the 80
No one gets good MPGs with FI and an 80e!
Wayyy too much fun to stay out of it!!!!