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| | | Forums66 Topics128,156 Posts1,057,021 Members48,460 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Jul 2009 Posts: 83 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2009 Posts: 83 | If I put the new higher speed rear end in will it affect the transmission? if I cruise at 60 mph will it damage the transmission designed to go only 45? | | | | | Joined: Sep 2001 Posts: 29,270 Bubba - Curmudgeon | | Bubba - Curmudgeon Joined: Sep 2001 Posts: 29,270 | Mike,
In general, No, you will not damage the transmission cruising at 60 mph with a 3.55 conversion.
You might put some wear on the clutch in 1st gear, if you have a 3-speed (and depending on the way you engage the clutch).
Tim
| | | | | Joined: Jul 2009 Posts: 83 Wrench Fetcher | | Wrench Fetcher Joined: Jul 2009 Posts: 83 | | | |
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