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How to make up a 5.3 & NV3500 5 Speed?

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Old 07-31-2010, 11:08 AM
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I'm doing a similar swap in my 89 k1500. I'm trying to mate a nv3500 out of a 1992 k1500 to a 2003 5.3. Can I use the clutch from my tbi 350? Also, do any of you guys have a part number for the pilot bearing I will need for this set up using a 2006 4.8 flywheel?
Old 08-01-2010, 10:59 AM
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my trans and clutch came from a 2006 4.8....i mated it to a 5.3 with pilot bearing GM#12557583
Old 08-02-2010, 10:42 AM
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how about the bellhousing? anyone have a part number for that?

i have an NV4500 mated to an old school caddy motor ( BOP bolt pattern) , and if i swap the motor out for an ls1 i'll be needing a new bellhousing .

any idea where i can get it or a gm part number for one?
Old 08-02-2010, 11:59 AM
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my bellhousing is part of the case
Old 08-03-2010, 02:45 AM
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on the 4500? i'm pretty sure the bellhousing is a seperate peice on the 4500 i have .
Old 08-13-2010, 12:14 PM
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The 88-98 NV3500's have a one piece aluminum case with an integrated bellhousing and tail shaft. The NV4500's have an iron case with removable bell's and tail shafts. I'm unsure if the 88-98 NV3500's are any different than the 2000+ NV3500's.
Old 08-30-2010, 06:19 AM
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a bit off topic, but anyone know what parts ( and part numbers) are needed to mate a NV4500 to an LS1?
Old 04-08-2011, 11:22 AM
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Question how do you open the nv3500 transmission

Good morning,
I am atempting to rebuild my first manual tranny. I am so close to opening (seperating the cases) my tranny. How do you pull it apart? Does it have to be in a particular gear? I can get it about a 1/2" apart but still hung up - the shifter mating socket moves some then stops and that is with the small bolt removed.
Old 04-11-2011, 12:57 PM
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I now intend on putting a 5.3L L33 motor in my truck, and Turboing it. I got a great deal on one, and it has a lot of potential. But from what I've read about the NV3500, it can't handle more than about 350hp. I'm looking for something closer to 450. If I buy the parts and put the engine in, and later upgrade to the NV4500, would these parts be the same, or would I be better off just getting the new transmission, and do it all at once? The sooner I get my truck done, the sooner I can start on my T/A.
Old 04-11-2011, 01:01 PM
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Originally Posted by aem2775
Good morning,
I am atempting to rebuild my first manual tranny. I am so close to opening (seperating the cases) my tranny. How do you pull it apart? Does it have to be in a particular gear? I can get it about a 1/2" apart but still hung up - the shifter mating socket moves some then stops and that is with the small bolt removed.
I changed out the seals on my tranny and T-case a while back, and it came apart easy, didn't even remove the tranny from the truck. But I did have both in Neutral. Not sure if that matters or not. They were both in neutral because I always do that kind of work with them in neutral. Good luck with the rebuild.
Old 04-11-2011, 03:56 PM
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Thumbs up 5,3 @ nv3500

i have done the exact same *** you do. Just call Brent @ Nook and Tranny, and tell him that you want the same *** he sold Chris from Norway. He know's what you need, and yes this is a cool setup. What i got from him was, a new flywheel, new clutch, bolts, and the hydraulic for this setup.
Chris.
Old 04-12-2011, 02:44 PM
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what actuates the clutch on these NV3500s? Is it cable or hydraulic from the factory?

I like the sounds of this for my stock L33 swap into a 3000lb vehicle. Should handle the 335lb tq just fine.

To reiterate from an earlier post, it seems as though all that is required is:

- Flywheel from a '06 4.8L or 6.0L (Sachs NFW1050).
- old school chevy 12" clutch cover
- extended pilot bearing.

Is there a more complete/definitive swap guide on this yet to make it easy for lazy guys like me?
Old 04-22-2011, 07:27 PM
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My research on the NV3500 indicates that the pre-'90 wasn't really an NV3500. The '90-up S-10 4.3 version had the same ratios as the '94-up Ram 1500 5.2L, with a 3.49:1 first. The 'GMFS 4.3 got the 4.0x:1 first.
It seems the FS 1500 with the 5.7 actually used a Getrag, possibly the 290. Whatever, it has like a 3.83:1 first gear. Also integral bellhousing.
I've found conflicting info on 3500 ratios, but I expect and hope that the 0.78:1 fifth was used with the 4:1 first, while the 0.73:1 fifth came with the 3.49:1 first.
Old 12-12-2011, 09:04 PM
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Bringing back an old thread good info on how to mount an older manual trans to an LS engine.

For the extended Pilot bearing I have found two GM part numbers
#12557583
#14061685

Still not sure which of these to use with a given application or if they are the extended bearing mentioned
Old 12-21-2011, 08:27 PM
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So does anyone know if the stock nv3500 speed sensor will work? Do we know what kind of output it is?
Old 01-08-2012, 09:58 PM
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can some one organise this so i know what to buy for mating a ls 5.3 to a nv3500
Old 03-15-2014, 08:26 PM
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Bringing back a super old thread to see if anyone could I form me about how the external slave cylinder works on these motors. I have the engine and trans bolted together, bit there is no way the external slave is going to bolt up. Any ideas guys?

James
Old 04-07-2014, 04:47 PM
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Originally Posted by davev78
I have done this, it is very easy and cheap to make it work.

To fit a 5.3L to an 'old school' style manual transmission this is what you need:
- Flywheel from a '06 4.8L or 6.0L, they are the same flywheel. It is raised to make up for the .400" difference. you do not need a spacer. The flywheel can be had new in the aftermarket for $60, Sachs NFW1050. http://www.oreillyauto.com/site/c/de...2271&ppt=C0338 This is the same flywheel GM refers to in their LS1 Swap guide.
- This flywheel is drilled for the old school chevy 12" clutch cover and uses 3/8" shoulder bolts to bolt the cover plate on.
- You will need an extended pilot bearing.

Pretty easy and uses common readily available parts, you should be able to put this together for $250.
this will be great when I do my 5.3 swap in my 93 5 speed truck. Going carbed with a big cam and a baby shot. I have 3 or 4 of the nv3500's ready for the breaking. LMAO. I have drove the hell out of the truck and have not had a problem out of the tranny and the tranny has 296k miles on it. it is holding good with the 5.7 but I am sure with a 400whp 5.3 and a 100 shot it wont last long.
Old 04-07-2014, 04:49 PM
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I do have a welded diff that is not good on the tranny to. LOL
Old 04-11-2014, 06:04 AM
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Check out this thread http://www.ls1truck.com/forums/lsx-t...peed-swap.html


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