Gears!

69grande351 · 09-20-2004, 11:28 AM

Hey everyone, got another question about some gears. Do you think 4.11's would be too low for a 3 speed that wouldnt be on the track? I think it is a c-4, and it has the 302. I might be thinking about getting maybe on o/d tranny later on but maybe. I might drive on the highway a little bit, but what would it be able to cruise at on the highway? Would 3.55's be better for me, or even 3.89's or something? PLEASE HELP! Thanks

Rev · 09-21-2004, 05:17 PM

With a C-4 and 26" diameter tires, I believe you'll be reving at close to 3800 rpm at 70 mph with a 4.11. A 355 will be more like 3275 rpm at 70 mph.

Rev

rwhite65 · 09-22-2004, 02:41 AM

if u drive it at all on any roads over 55 mph, I think u would be very disappointed with the choice of 4.11's. The 3.55's sound like a good compromise. If u drive this car much at all, there would be better areas to look at with the car to gain the performance.... then going so low with the ratio.
Ryan

09-20-2004, 11:28 AM	#1
69grande351 Registered Member Join Date: Jun 2004 Location: Minnesota Posts: 16	Gears! Hey everyone, got another question about some gears. Do you think 4.11's would be too low for a 3 speed that wouldnt be on the track? I think it is a c-4, and it has the 302. I might be thinking about getting maybe on o/d tranny later on but maybe. I might drive on the highway a little bit, but what would it be able to cruise at on the highway? Would 3.55's be better for me, or even 3.89's or something? PLEASE HELP! Thanks

09-21-2004, 05:17 PM	#2
Rev Registered Member Join Date: Nov 1998 Location: Houston, Tx. Posts: 3,887	4.11's, 355's With a C-4 and 26" diameter tires, I believe you'll be reving at close to 3800 rpm at 70 mph with a 4.11. A 355 will be more like 3275 rpm at 70 mph. Rev __________________ '66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi. O.B.C. #2 '66 coupe

09-22-2004, 02:41 AM	#3
rwhite65 Ride Hard Join Date: Oct 2000 Location: Wyoming IL Posts: 1,094	if u drive it at all on any roads over 55 mph, I think u would be very disappointed with the choice of 4.11's. The 3.55's sound like a good compromise. If u drive this car much at all, there would be better areas to look at with the car to gain the performance.... then going so low with the ratio. Ryan __________________ 65 Fastback 91 roller 306, H/C/I AOD-Bauman, PI Stallion, 4.10's and traction loc 04 Grand Cherokee Freedom Edition 79 Ford F-250 4x4 - Restored

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