HP loss between th400 and 4l60e?
12-25-2003, 10:45 PM
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Launching!
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HP loss between th400 and 4l60e? Will there be much loss or gains going from a 4l60e to the th400. I know how the th400 compares to a th350 but don't know how it compares to the 4l60e. Also, are weight differences great? Thanks!
12-26-2003, 12:03 AM
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I don't know the exact % of loss there is, but most see some. I don't have any before dyno numbers w/ the 4L60 with my current setup. With my bolt on car, a 12 bolt and 3.55's in the rear, and a 3600 converter my car made a best of 321 RWHP and 438 RWTQ. The torque number is a spike of course b/c of the converter. Hope this helps.....
12-31-2003, 09:34 PM
#4
i would think it would rob anymore then the stock tranny hp wise. but internal gearing is what the big difference is. i seen i guy go from high 114 traps to 112 traps from m6 to turbo 400 swap. hp wasn't measure from before so i could give you any dyno numbers.
12-31-2003, 10:09 PM
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Depends on the transmission. ATI has some lightened TH400's which have a lower weight rotating mass- these would have less horsepower loss than say the 1970 TH400 sitting in my garage...haha
One nice thing though is the 1-2 shift won't loose you as many Revs...
One nice thing though is the 1-2 shift won't loose you as many Revs...
