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post #1 of 13 (permalink) Old 02-11-2009, 08:45 PM Thread Starter
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performance upgrades nv4500

when do i need to upgrade my nv4500 i already havethe bigger inputshaft with a dual disk clutch what else do i need to do and at what HP range


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post #2 of 13 (permalink) Old 02-11-2009, 10:54 PM
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You can get the gears froze or something like that. but requires full dissasemble

Fattie 04.5 qcsb 64 over s475, Flux 3's, full billet trans, ARP 425's, AD165, 35's, Thuren goodies, stock cp3, best 12.6 1/4 mile w/6" lift and 37's.
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post #3 of 13 (permalink) Old 02-11-2009, 11:56 PM
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the stock parts will handle a pretty stout engine. Its rated for 460lbft but it has been known to handle double that without an issue.

Your main concern is going to be a clutch to hold the power. depending on how much power you want to make (500hp+) you will likely need to upgrade to a larger diameter clutch to hold the power which also means an input shaft upgrade to match the clutch disc.

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post #4 of 13 (permalink) Old 02-12-2009, 12:04 AM
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You can get the gears froze or something like that. but requires full dissasemble
Thats no real biggie. The nv4500s are cake to peel apart. Minus the nut on the output shaft. lol

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post #5 of 13 (permalink) Old 02-12-2009, 12:06 AM
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You can get the gears froze or something like that. but requires full dissasemble
Thats no real biggie. The nv4500s are cake to peel apart. Minus the nut on the output shaft

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post #6 of 13 (permalink) Old 02-12-2009, 12:09 AM
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Yeah, I know. I just did my own and kinda wish I got them done... I blew up my 3rd gear with whats in my sign...

Fattie 04.5 qcsb 64 over s475, Flux 3's, full billet trans, ARP 425's, AD165, 35's, Thuren goodies, stock cp3, best 12.6 1/4 mile w/6" lift and 37's.
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post #7 of 13 (permalink) Old 02-12-2009, 12:30 AM
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like broke teeth or killed your synchro?

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post #8 of 13 (permalink) Old 02-12-2009, 03:08 AM
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Guess you could say missing teeth. Synchro's were just fine.

Fattie 04.5 qcsb 64 over s475, Flux 3's, full billet trans, ARP 425's, AD165, 35's, Thuren goodies, stock cp3, best 12.6 1/4 mile w/6" lift and 37's.
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post #9 of 13 (permalink) Old 02-12-2009, 08:09 AM
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Damn! Thats awesome! Not awesome that it broke though lol

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post #10 of 13 (permalink) Old 02-12-2009, 10:09 AM
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What The Hell Were You Doing When It Broke? Lol

OLD TRUCK=95 12v DRW 5 spd. custom 5x14 injectors.66mm hx50 timing 17.5. 4k gv springs, marine head gasket, 12 mm studs fullcut dv's. single 5 in stack.. DD clutch. airdog 150.new truck02 LB7 ccsb7.5 hiniker snow plow.fass100.studded.gauges the money MAKER for once
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post #11 of 13 (permalink) Old 02-12-2009, 01:23 PM
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You guys arent goint to believe me when I tell ya...SOOOOOO a buddy of mine and I were driving around looking for snow piles to drive into,anyways, didnt find any, got out to pee in this parking lot, almost fell on my arse it was so slick. soooo when I got in the truck, Rowed the gears to 4th, spun around a few times in 4th then left the parking lot. drove a couple blocks to the next stop sign, looked both ways, took off in second (normal and easy) then when I put it in 3rd and let out the clutch, it just went BOOOOMMMM!! Didnt slam it or even spin the tires. Just decided it was its time lol

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post #12 of 13 (permalink) Old 02-12-2009, 01:27 PM
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Damn! Thats awesome! Not awesome that it broke though lol
ah its cool Redid it all myself for $100 worth of oil, $30 of cleaning products, and $400 for a rebuild kit & upgraded mainshaft & input shaft & 3rd gear & main gear cluster... Plus $150 worth of stupidity (lost 2, $25 quarts of oil onto the ground and had to replace the same bearing 3 times and broke the input shaft bearing retainer pressing out the race, *expensive lessons to learn*) Anyways, If anybody needs some tranny parts, pm me because I can get it for ya CHEAP, did I mention CHEAP?

Fattie 04.5 qcsb 64 over s475, Flux 3's, full billet trans, ARP 425's, AD165, 35's, Thuren goodies, stock cp3, best 12.6 1/4 mile w/6" lift and 37's.
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