5.0 3.55 rpms
2011 F150 5.0 3.55 with loaded trailer 6500lbs, locking out 5 & 6. People using fourth gear, what rpm's do you spin while towing??
Thanks New Guy Here |
Will depends on speed and tire size. It will be the same RPM whether towing, and with any engine.
Do you have a specific question? |
Prior - 2000 F-150, 5.4, 3.55, 17" wheel, 31.7" diameter tire, OD locked out, ~2500 RPM.
Current - 2018 F-150, 5.0, 3.55, 20" wheel, 31.9" diameter tire, all OD's locked out, ~2500 RPM. 6000# boat/trailer. Apx. 65 MPH for both. |
In fourth gear 65mph is close to 2900 rpm? In fifth, 65mph is about 2300 rpm, downshifts for slight hills and overpasses..
The truck will run 75 mph in fouth, just a little worried about so many rpm's?? |
Originally Posted by KKeys
(Post 6115981)
In fourth gear 65mph is close to 2900 rpm? In fifth, 65mph is about 2300 rpm, downshifts for slight hills and overpasses..
The truck will run 75 mph in fouth, just a little worried about so many rpm's?? |
Originally Posted by jp360cj
(Post 6116021)
... but I wouldn't expect 2900 RPM to be harmful to a modern gas engine.
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I don’t usually unlock 5th unless I’m going over 70. I’ll drive 70 all day in 4th, 75 gets a little loud in 4th |
My 13 pulled good on stock tires only locking out 6th. 5th at 70 was 2200, it occasionally dipped to 4th for prolonged steeper hills and and was around 3k. It was easily able to maintain 70mph with 9k behind it.
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Originally Posted by KKeys
(Post 6115924)
2011 F150 5.0 3.55 with loaded trailer 6500lbs, locking out 5 & 6. People using fourth gear, what rpm's do you spin while towing??
Thanks New Guy Here https://cimg5.ibsrv.net/gimg/www.f15...0ecc196e73.png |
Originally Posted by KKeys
(Post 6115981)
In fourth gear 65mph is close to 2900 rpm? In fifth, 65mph is about 2300 rpm, downshifts for slight hills and overpasses..
The truck will run 75 mph in fouth, just a little worried about so many rpm's?? |
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