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Wanting to change gears, what did low gears come in ???
Posted: March 26, 2011, 8:44 am
by Southern64
I have a 64 with 302/C4 swapped in. Talked to a bunch of people that suggested lower gears, like 300 ? I am currently getting 6mpg, I just got her to run after 5 years, and now can't afford to drive. So what vehicles can I find these low gears in to donate? I think I have a have a 9" rear with 350 or 370 somethhings now. Looking for 300-320 somethings? haha thanks
Also will this just make it dog slow?
Posted: March 26, 2011, 8:50 am
by Uncle Skip
2.70 and 3.00 gears are plentiful at the yards. If you're going to buy a take out chunk, just make sure its a 28 spline. If its a 31 spline, you can swap out the pinion as a complete unit in your old housing and put the ring on where your existing carrier. You'll have to get someone to set the lash on the new gear, but that isn't really a big deal..
I just finished a brand new 2.70 open for cruising and when I go to Slick Stock. My 3.25 posi is not mileage friendly.
same problem, same mileage
Posted: March 26, 2011, 10:29 am
by cosmo
Do a seach on my name, I asked this question earlier in march/feb and got lots of good feedback...on potential drawback that was pointed out to me was... starting form a stop on hills gets a bit tricky with the weight of the truck and the lower number gears....so I'm still deciding myself
Posted: March 26, 2011, 7:19 pm
by banjopicker66
Southern64, I sent you a PM. Let me know if you don't get it.
Posted: March 26, 2011, 8:45 pm
by Alan Mclennan
banjopicker66 wrote:Southern64, I sent you a PM. Let me know if you don't get it.
Well that ain't going to help us Sticky beaks!
Posted: March 26, 2011, 10:11 pm
by trueblue0409
the lower gears you have the better you mpg will get but you wil definatly lose torque. a few other thing you could do to improve your mpgs is go down on wheel size adjust you ignition timing rebuild your carb and improve your fuel management