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Topic Review (Newest First)
11-30-2002 12:08 PM
dion Completely rebuilt 350 and TH350 Trans, Hyper Pistons, 500 lift Crower Cam, Victor Jr Intake, 750 Q Jet Carb and a few other things, it's a monster! I like the umph I get with that stall.
11-28-2002 03:16 PM
stfinney You have a 3000rpm stall? Man, what have you got in that truck??
11-28-2002 02:51 PM
dion I have 3.54 and a 3000 stall converter, they work very well off the line and on the highway.
11-26-2002 07:30 PM
stfinney I found a good site for the gear selection. It is : http://www.drivetraindirect.com/html2/calculator2.html
11-26-2002 06:18 PM
racer56 I would say without finding my dang chart. 500-600 rpm's. Just a guess though, I would try to find a gear chart on the net to make sure.
11-26-2002 05:13 PM
stfinney Off the top of your head then, (lol) what would be the rpm difference between 3.42 and 3.73 gears?
11-26-2002 05:10 PM
racer56 3.42 would be fine and still a big improvement over the factory gears. I can't find my little rpm chart for gear and tire size to get rpm. They have them all over the net though. Maybe you just have to bite the bullet and put in some 3.73 I did find those.
11-26-2002 05:03 PM
stfinney Are 3.42 and 3.55 about the same? Who carries the 3.55 in a 12-bolt 8.875" truck? All I have found is the 3.42. Thanks!!
11-26-2002 04:46 PM
racer56 You'll be very happy with the difference from your factory gears.
11-26-2002 04:36 PM
stfinney Ok, thanks. Do these gears have a pretty good launch to them with a 2000 stall converter??
11-26-2002 04:34 PM
racer56 3.55 will be more what you want.
11-26-2002 04:31 PM
stfinney Yeah, the tires are made by Pirelli. I did some checking and they are about the only ones with that size tire. Right now I have 3.08 gears and they suck with my setup. I usually run around 2200-2400 rpm at 55-60mph. I don't do that much interstate driving, but when I do, I don't want to be running in the 4000rpm range. So, what would be your recommendation?
11-26-2002 04:22 PM
racer56 A 265/75 would be pretty tall. Are you sure it isn't a 70 series? Either way I would go with the 3.73 gears. It will be alot more pep without any trade offs around town but going down the highway will be running plenty of rpm.
11-26-2002 04:10 PM
stfinney I have a rebuilt TH-350 and 265-75-15 tires on the back.
11-26-2002 02:21 PM
DoubleVision I`d use a TCI saturday night special 2000 stall converter or anything similiar, and some 3.42:1 gears or possibly 3.73`s if your running a tall tire.
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