Reading idenification numbers
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Joined: Mar 2004
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From: alberton pei
Reading idenification numbers
I own a 94.5 psd f450 superduty dually.Iwas wondering if somebody can tell me what these numbers and letters mean on the inside of my door post,they are as follows.
WB 161
type GVW F477
body C68
trans C
Axel 73
springs H48
GVWR 15,000lbs
WB 161
type GVW F477
body C68
trans C
Axel 73
springs H48
GVWR 15,000lbs
Postmaster
Joined: Feb 2002
Posts: 2,773
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From: Bonney Lake, WA
A few of them I can help with:
WB 161 161" wheelbase
type GVW F477
body C68
trans C
Axel 73 non-limited slip 5.13:1 gear ratio
springs H48
GVWR 15,000lbs GVWR 15,000lbs. I guess you had that one figured out, eh?
WB 161 161" wheelbase
type GVW F477
body C68
trans C
Axel 73 non-limited slip 5.13:1 gear ratio
springs H48
GVWR 15,000lbs GVWR 15,000lbs. I guess you had that one figured out, eh?
Postmaster
Joined: Feb 2002
Posts: 2,773
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From: Bonney Lake, WA
It' s not a posi rear end. the 5.13 gears are quite low. I assume you've got a fairly high rpm/speed ratio. With my 4.10's, at 70mph, I'm turning 2000rpms. I imagine you're turning quite a few more rpms at 70mph than that.
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From: alberton pei
Thanks for your reply Quadzilla.I'm turning 2500-2800 rpms at 70 mph and the tach. starts into the yellow line at 3000rpm so I do not usually run that speed to often.What would the advantage be of running such low gears and would this make it harder on fuel than others.
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