900+ rwhp guys what trans and rear setups you running ?
01-16-2019, 11:57 PM
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900+ rwhp guys what trans and rear setups you running ?
Hey guys a little of what’s going on. I currently have a 99 c5. Recently bought a 402ci stroker engine. I was running a stock ls1 with ecs 2000 supercharger kit. Stage 5 rpm trans and z06 342 rear. Should be making somewhere north of 850+ rwhp. On e85. My builder and a couple other are telling me to swap my trans and rear for a rpm powerglide and irs 9inch rear. So I’m just here to see what other guys with that kind of rwhp are running. Will mostly be a street car with a 15 inch conversion. Might see the track for a shootout or 2. Thanks for the input guys.
01-17-2019, 08:01 AM
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if staying 6 speed then a tr6060 and diff from a zr1, grand sport, or z06 (08+) would probably be your best bet and then have it gone through unless you want to spend big money on a dog box, aftermarket gear sets, etc... all 3 trans have different ratios so that would need to be taken into account as well, rear gears are all the same but the zr1 does have a more robust diff case
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WayneCar (01-19-2019)
01-17-2019, 07:00 PM
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Just a lot of money guys. Got a quote from rpm and I’m looking at about 18.5k in just parts. Anyone running 1000 rwhp on a built 4l60 ? Performabuilt says they have an almost anything goes warranty. Idk just hard to wrap my head around 18.5 in just parts when I just did a stroker engine. 😂🔨. Anyone have a used powerglide set up for sale ?
01-18-2019, 11:59 PM
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01-19-2019, 02:26 AM
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Andy Fernandez, Administrator on the C5 Modified facebook page, is offering a TH400 conversion for cars with serious horsepower. If you're not on FB, I can probably find out his contact info.
01-25-2019, 08:45 PM
#11
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Hey guys a little of what’s going on. I currently have a 99 c5. Recently bought a 402ci stroker engine. I was running a stock ls1 with ecs 2000 supercharger kit. Stage 5 rpm trans and z06 342 rear. Should be making somewhere north of 850+ rwhp. On e85. My builder and a couple other are telling me to swap my trans and rear for a rpm powerglide and irs 9inch rear. So I’m just here to see what other guys with that kind of rwhp are running. Will mostly be a street car with a 15 inch conversion. Might see the track for a shootout or 2. Thanks for the input guys.