Ford Truck Enthusiasts Forums
Older, Classic & Antique Trucks
1961 - 1966 F-100 & Larger F-Series Trucks
Dana diff ratios

1961 - 1966 F-100 & Larger F-Series Trucks Discuss the Slick Sixties Ford Truck

Dana diff ratios

Reply Subscribe

Search this Thread

Old

Jan 16, 2019 | 08:00 PM

#16

1972RedNeck

Logistics Pro

Joined: Feb 2011

Posts: 3,522

Likes: 11

From: Townsend, MT

Quote:

Originally Posted by Boss9F100

the sweet spot on a stock 352 is off idle Up to 2800 not OVER 2800.

My bone stock Ranger with 3.25 gears and factory Overdrive does fantastic right off idle. As soon as Truck is rolling it’s in 2nd gear then usually in high at 2000 rpm. Into high OD by 40 mph.

I assume you run about 29" tires?

3.25 with the .85 overdrive comes out to be 2.76:1 overall. Running 70, you should be turning about 2200 RPM correct?

I think I have read where Bill (Number Dummy) had a very similar setup in his '65 and made well over 20 MPG when driving really nice.

Reply

Old

Jan 17, 2019 | 01:20 AM

#17

Jimmy nz

Thread Starter

|

Cross-Country

Joined: Apr 2017

Posts: 55

Likes: 1

Think I'll look for a 3.54 diff gas costs over $2 per litre here so any gain in mpg is Good

Reply

Reply Subscribe

Related Topics

Thread

Thread Starter

Forum

Replies

Last Post

Front Dana 44 rear Dana 60

cooperstown24

1973 - 1979 F-100 & Larger F-Series Trucks

9

May 21, 2019 09:27 PM

Paired dana 60s?

Feardeere7

1973 - 1979 F-100 & Larger F-Series Trucks

13

May 13, 2014 10:38 AM

which rear end?

ian's truck

1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks

6

Dec 16, 2012 04:44 PM

What gear would be in a 84' F350

RacerRick

1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks

18

Jul 27, 2005 02:01 PM

Highboy diff gear options

Craigwell

Clutch, Transmission, Differential, Axle & Transfer Case

6

Jun 29, 2003 08:19 PM

Reply Share

First
Prev
2 / 2
Next
Last

All times are GMT -5. The time now is 06:31 PM.