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  #1  
Old 09-18-2003, 08:03 PM
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WFish WFish is offline
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Default Manual Trans.

Which would be better, a Tremec 5 speed or an 833 with a Gear Vendor o/d unit? Is there any strenghth advantage to either one? What would it typicaly cost to rebuild an 833 trans, and what parts would normaly need to be replaced or upgraded? The car would be a 70 Cuda. I want it to be a street car capable of under 12 sec. quarter miles! I know an automatic is better for the strip, but I want the fun factor!
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Old 09-18-2003, 08:48 PM
mtrv8n mtrv8n is offline
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It's about $800 for a rebuilt 833 with core exchange. The GV/tremec/or other brand OD 5 speed is all about what you want.
I'd go with a 5 speed, gearing the 5th as overdrive.

The GV thing sounds neat, but would have a learning curve to use properly.
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Old 09-18-2003, 10:24 PM
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NZ 440R/T NZ 440R/T is offline
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Depends if the car was an original 833 car if it's the numbers matching 833 then I would keep it and clean/fix it up. If a 833 is good enough for a HEMI it's good enough for any engine!!
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Old 09-19-2003, 11:50 AM
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Okay, so an 833 can handle 800 horse power? This trans will eventually have to deal with a twin turbo 400. I just want to make sure it can handle it. Not to say that one is better than the other, but I read in a Mopar mag. that the tremec had wider gear faces.
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Old 09-19-2003, 01:08 PM
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ehostler ehostler is offline
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Since you are considering a GV OD unit, you clearly don't care about it being original.

The GV unit is rather long and may not be a direct fit, depending on the 833. The GV unit is about $2,200 + the cost of your rebuild.

The Keisler 5-speed conversion is $3,000 - $4,000. If you are concerned about originality (at a later date), just put the old 833 in the garage.

TRANSMISSION KIT INCLUDES:

1. TRANSMISSION – NEW TREMEC 3550 (375HP), TKO-I (475HP) or TKO-II (650HP). Shifter handle included in Accessory Kits.
2. RUBBER TRANSMISSION MOUNT – Heavy-duty rubberized mount with large surface area. Poly upgrade available
3. ZINC CHROMATE PLATED BOLT-IN CROSSMEMBER – High strength, precision fabricated and plated for corrosion resistance
4. PILOT BEARING – Sealed Needle Roller Bearing for long life and high capacity far exceeds the quality of stock bronze oil bushing
5. BACK-UP LIGHT WIRING HARNESS – Easy coupling to factory wiring. Soldered terminals and molded connectors all encased in rugged loom
6. NEUTRAL SAFETY START SWITCH – for automatic to 5-speed conversion
7. SPEEDOMETER CABLE & DRIVEN GEAR – preset for your tire size and differential ratio
8. DRIVE SHAFT – Chromoloy steel balanced with premium Spicer 7290 U-joints, 3" diameter, 0.083" wall, ~17lbs
9. HARDWARE – High strength fasteners, properly sorted and labeled
10. MANUAL – Easy to understand instructions; 6 hour installation
11. MACHINING OF BELLHOUSING CORE – Custom machining of customer-supplied bellhousing core (except Lakewood, available at extra cost). We re-machine your Mopar core in-house with computer-controlled CNC systems to ensure high accuracy of centering, flatness, parallelism and engine mounting. (Dowel pins bored and brushed; engine mounting holes spot faced.) New Keisler Big Block bellhousings, Safety bellhousings, and reconditioned Small Block and 6-cylinder bellhousings are also available.

375HP Kit: $2,695.00

475HP Kit: $2,895.00

650HP Kit
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Old 09-19-2003, 11:25 PM
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How much hp will this Twin-Turbo 400 be pumping out??
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Old 09-19-2003, 11:46 PM
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I do know a guy out here that has the TKO-II behind a 528 Hemi, in a RoadRunner. He loves the tranny. His only problem is that he has 4.10 gears in the Dana. With the already low gearing of the TKO-II, 1st is almost useless.
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Old 09-20-2003, 01:52 AM
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My Friends desktop dyno said around 800 HP at 10 psi!
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Old 09-20-2003, 03:11 AM
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I was just seeing because manuals tend to get sloppy if used with high output cars.
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Old 09-20-2003, 06:18 PM
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What do you mean by sloppy? I'm not real concerned about getting the best 1/4 mile times. I just don't want to break stuff.
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Old 09-20-2003, 07:11 PM
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"Sloppy" is like it sounds, But since you won't be going down the strip every day your 833 should still keep it's "Crunch". With horse-power that high plus a manual trans you are always going to get probelms even with a 727 you will but more so with the 833, heavy launches the main contributor. Happy shifting.......
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