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Joined: Aug 2004
Posts: 72
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Aug 2004
Posts: 72 |
I have a 1954 rear-end from a passenger car.If I change from a 4:11 to a 3:73 ratio, how many mph would I gain. Thanks for your help...Richard :confused:
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Joined: Jan 2002
Posts: 30,701 Likes: 141
ChatMaster - 25,000
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ChatMaster - 25,000
Joined: Jan 2002
Posts: 30,701 Likes: 141 |
There will be a 10 percent reduction in engine speed.At 60 MPH with the 4.11 it would equal 66 MPH with the 3.70.About a 300 RPM drop.Dosen't sound like much but makes a big difference on the high-way.
The 1953-54 stiks had a 3.70 - the PG a 3.54 -that would be a 15% change.
Gene Schneider
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Joined: Aug 2004
Posts: 72
Shade Tree Mechanic
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OP
Shade Tree Mechanic
Joined: Aug 2004
Posts: 72 |
Chevgene, thanks for the info. One other Question that I have is; will the 6 lug axels from a 50s or other Chevy pickup interchange with the 5 lug axels in a passenger car? (50s Chevy)?, I would like to change the 5 lug to 6 lug. Thanks...Richard
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