first long test ride
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Freshman User
Joined: May 2014
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From: Bensalem PA
first long test ride
Took my 7.3 1991 f350 DRW CC out for a nice ride today, went from bensalem pa to staten island NY, at my office now, ran great
on NJ turnpike was doing about 70 at 2300RPMs , is that normal for a 4 speed with OD?
will be driving her home again in about 2 hours. will check oil to see how she did.
Thanks
Dave
on NJ turnpike was doing about 70 at 2300RPMs , is that normal for a 4 speed with OD?
will be driving her home again in about 2 hours. will check oil to see how she did.
Thanks
Dave
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Joined: Dec 2011
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This is why people put 3.55 gearing or GVODs in these, if doing a lot of 70mph cruising -- NA, you lose MPG at those RPMs.
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Freshman User
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From: Bensalem PA
Sorry newbie here: what are GVOD's?
thanks
Dave
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I think he just has a 5-speed with 4.10 gears, I've heard people call a 5-speed 4-with overdrive before. so 2300 at 70mph is right
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With stock tires? IIRC, 60MPH is around 2150, so 70 would be near 2500. This is with a ZF-5, 4.10's and 235-85-R16s.
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Freshman User
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From: Bensalem PA
whats IIRC?
thanks
Dave
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Postmaster
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From: Northern Arizona
You won't have the 5th + OD unless you have a gear vendor's unit, but with stock tires and a ZF-5 speed this is what your rpm's will be:
Last edited by Ford F834; Aug 6, 2014 at 08:56 AM. Reason: Wrong pic
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Isn't that for a 4:88 rear? Or am I reading that wrong?
