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Forced Induction Superchargers | Turbochargers | Intercoolers

? for Procharger guys

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Old Oct 10, 2007 | 08:43 AM
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Default ? for Procharger guys
Ive searched, but could only find the answer for turbo guys. Im assuming that with a procharger you would also want a gear similiar to a 3.50, but wanted to confirm. So the question with a procharger would you want 4.11's or 3.50's? Thanks.


-Noah
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Old Oct 10, 2007 | 08:44 AM
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Ive got 3.73's...
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Old Oct 10, 2007 | 09:37 AM
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3.73's here
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Old Oct 10, 2007 | 11:28 AM
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3.73s
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Old Oct 10, 2007 | 11:50 AM
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3.73's in a Strange S60
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Old Oct 10, 2007 | 12:01 PM
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okay so 3.73's are a good gear. . . . .are 4.11's BAD for prochargers?
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Old Oct 10, 2007 | 12:10 PM
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If you mean 'bad' as in you'd probably have to shift into 5th at the drag strip, then yeah...
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Old Oct 10, 2007 | 12:16 PM
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3.42's here
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Old Oct 10, 2007 | 12:21 PM
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Originally Posted by ChevyChad
If you mean 'bad' as in you'd probably have to shift into 5th at the drag strip, then yeah...

Bad as in. . . .itd be a pain in the butt how much you would have to shift
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Old Oct 10, 2007 | 04:52 PM
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3.80's, but alot has to do with tire size
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Old Oct 10, 2007 | 04:56 PM
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I use 3:70's with a 28" tire.
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Old Oct 10, 2007 | 05:27 PM
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alright guys thanks. . . .looks like 3.73's are a good choice for prochargers
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Old Oct 10, 2007 | 05:59 PM
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Running a stock long block with cam & headers - 4:11s & a 28" tire mine trapped 126 at 6500 with the 6spd but went about 7000 at 126 on the TH400. I switched to 3:50 gears on the TH400 & am trapping at 126-128 at 6000 now & ETs have improved. I think a 3.73 for my set up might have worked a little better. If you don't have a cam or at least upgraded valve springs a 3.50 might be good.
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Old Oct 10, 2007 | 08:41 PM
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Turbos are load dependent so taller gears (lower numerically) can help spool. SC'ers are belt driven so you can set it up like an NA car...gear it for the 1/4 mile with rpm at the traps about 300-600rpm past power peak (Depends on how the combo holds power after peak)

If its street driven and a six speed 3.73s are typically a good choice on 26 inch tall tires....
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Old Oct 10, 2007 | 08:46 PM
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3.91's here with a D-1SC.... Mods in sig otherwise!

Oh and it's a GTO so the gears are from Austrailia... LoL
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Old Oct 10, 2007 | 10:32 PM
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Originally Posted by Hawk108
alright guys thanks. . . .looks like 3.73's are a good choice for prochargers
With 3.73s (DTS 12bolt) I run 142-145 @ 7000 at the traps... That's with a TH400 and a tite TCI converter... hope this helps....

J
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Old Oct 11, 2007 | 01:32 AM
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And another for 3.73 here. With my redline set at 6700 rpm. Leaves plenty of room for top speed runs.
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Old Oct 11, 2007 | 08:16 AM
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Originally Posted by Blownramair
With 3.73s (DTS 12bolt) I run 142-145 @ 7000 at the traps... That's with a TH400 and a tite TCI converter... hope this helps....

J
Is that with 28" tires, or 26"? I would think 28, but just wondering...
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Old Oct 11, 2007 | 07:20 PM
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3:73's for me in a DTS 12 bolt 33spline's and a 28"tall tire.If you go with the 4:10's you will have traction issue's ALL DAY LONG.
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Old Jun 15, 2008 | 10:24 AM
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Hey i was woundering what is SDCE 8 Rib?
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