Finished installing my Gear Vendors unit and this is the first test drive. 3.73 gears, c4 and 26" tires. Was 3400 rpm @ 70 mph. Now 2600 rpm @70. 3000 @80.
What was the total RPM drop with the gear vendor about 500 ? What gear ratio do you have ? O I'm running a 3:73 in my Dana 60 with C6 wondering what to expect I'm at 3,000 at 70 so I'm betting your rear gear is lower than 3:73
@@434josh ahhh ok, so pretty negligible on the power loss? That pretty much lines up with what I’ve been reading. I’m only asking because my motor/trans/gear ratio combo is super similar to yours
Thanks for posting I can't wait to get mines installed. I'm running 3.36 rear gears
Did you find out the difference in gas mileage? Thinking about doing this to my 1972 C-20 with a TH350
Went from 13 to 17 mpg. Not too shabby for a built 347.
What was the total RPM drop with the gear vendor about 500 ? What gear ratio do you have ? O I'm running a 3:73 in my Dana 60 with C6 wondering what to expect I'm at 3,000 at 70 so I'm betting your rear gear is lower than 3:73
3.73 with 26" tires. I went from 3400 RPM to 2800.
@@434josh
I see I have a F250 with 30" tires did you install yourself ? I'm considering one not a fan of the fwy at 3k
It's either going to be a tremec T 600 or a gear vendor
@@TheThirdWheel618 install took about 2 hours. Very simple.
Thank you for posting! Neat video. Did you have to modify the tunnel of your car at all to make the gear vendors fit?
No it fit easily. Just had to shorten the driveshaft 13".
@@434josh GV advertises only about a 1 hp per 400 hp parasitic loss with the GV unit. Did you notice any loss of power thru it?
@@mattsboatyard6891 the only loss of power is to drive the internal oil pump. Other than that there is nothing else that could possibly rob any power.
@@434josh ahhh ok, so pretty negligible on the power loss? That pretty much lines up with what I’ve been reading. I’m only asking because my motor/trans/gear ratio combo is super similar to yours
just put your vendors in my 88 dually I do 65 at 2000 RPMs unbelievable difference in a 460 big block
Dave the pond guy damn! what rear gears are you running?
Brian Samuels 3.73 gears with 26" tires.
434josh did you have a custom driveshaft made or shorten yours?
Brian Samuels I already had a custom aluminum shaft but I just shortened it approx 13 inches.
Ok I need to learn how to measure a driveshaft to cut. I'm assuming that you don't have any vibrations?
how's the gas mileage with the od and fi
I haven't honestly been able to drive it enough to tell. I can say that carb to efi I went from about 9mpg to 14mpg.
The milage went up with efi???
@@oj3187 duh