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65 Sportwagon Specs


mp65riv

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Can anyone provide insight on the correct rear axle gear ratio for a 65 Sportwagon with the Wildcat 355 set up (4 barrel carb), as well as the potential tow capacity for these vehicles? I'm looking at the possibility of using one for a tow vehicle - pulling an open car transport trailer (aluminum). Thanks!

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The wagon I'm looking at has a 3.55 posi that was recently rebuilt. Not yet sure how the difference between 3.08 and 3.55 will impact highway cruising, but it should give a lift to acceleration. I believe he has a shift kit on the two speed tranny.

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I had a 3.55 posi behind my 300 V8 with a 4 barrel (355 Wildcat).  It was a great cruiser and had a nice grunt off the line.  It was in a 1965 Skylark, not a Sportwagon.  People often overlook the performance gain a change in gear ratio can bring.  My mileage stayed pretty close to the original.

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  • 1 month later...

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