Re: [Chevelle-list] 3.73 or 4.56?

[Ron Menchey]

Jim,I have a very healthy 350 cu.in over 400 hp in my 71 convt...had 3:21 stock gears...after the engine was done I wanted to drag it a few times a yr with my car club...so I went to 3:73...not a huge improvement in et but I like to drive the car and with the 3:73's the engine revs way to much at highway speeds and it is driving me crazy...I am repainting the car this winter and after the paint is done,I am either going back to the stock 3:21 or maybe 3:50.So I say if ya are wanting to drive the car any distance stich with the 3:73 or 3:50..if ya plan on doing a lot of racing then 4:56 or 4:11   Ron ----- Original Message ----- From: [EMAIL PROTECTED] To: Chevelle-list@chevelles.net Sent: Tuesday, November 29, 2005 9:20 AM Subject: Re: [Chevelle-list] 3.73 or 4.56?  Hi Jim:  I've heard what everyone said & I agree with most.  I've got a pretty healthy 327 in a 65 SS with a M-20 4 speed, a 12 bolt & 3.73 gears.  I'm running Coker 75 series redline tires about 28 inches high.  It's great in town, the suburbs & back roads.  On the highway at 60-65 I'm taching 3000-3200 rpms & people are blowing me off the road.  I try to drive non-highway as much as possible.  I also drag race it a few time a season.  The future may include a 5 or 6 speed.  It's mainly a show car & a cruiser.  The max its been on the road is 100 miles one way.  The Flowmasters are singing all the way!!  It's noisy!    If you plan little or no highway use & will be driving mostly in town & around, with an occasional trip to the drags, you could get away with the 4.56.  If you plan to cruise & put it on the road stay away.  Go with the 3.55-3.73.  The 3.73 is about the most versitile and that's stretching it.  Use the ratio that will best fit what your plans are for the car.  Be realistic.  With a 4.56 you may have to trailer to some events as necessary.  I enjoy driving my car & am not interested in burning out my engine prematurely.  Those 5 & 6 speeds with the .8 & .6 gears are looking better every year!!  Good luck with your decision & Happy Cruising!!!                 Phil G. 65 SS     -----Original Message----- From: J. Brady <[EMAIL PROTECTED]> To: Chevelle Group <chevelle-list@chevelles.net> Sent: Mon, 28 Nov 2005 13:24:17 -0800 (PST) Subject: [Chevelle-list] 3.73 or 4.56? OK folks, I have the opportunity to use 3.73 or 4.56 gears in the 10-bolt posi I'm going to put in the '66. The car has a 300+/-HP 327 and PG. Anyone have any thoughts or previous experience with the 4.56 gears and the PG/small block setup? I drive the car to local shows, and want to be able to take it to Cecil on occasion. A relative told me to do the 4.56s and nothing less, thus my indecision. Thanks, Jim __________________________________ Yahoo! Mail - PC Magazine Editors' Choice 2005 http://mail.yahoo.com