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#376 |
Senior Member
Join Date: Apr 2004
Location: sw colorado
Posts: 2,720
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Re: NV4500 swap is underway
More famous!
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#377 |
Registered User
Join Date: Apr 2012
Location: Chatt Tn
Posts: 970
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Re: NV4500 swap is underway
I made my own version of the aa bracket. it uses the factory shifter. works great. will have to see if I have any pics of it.
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88 military v30 crewcab shortbed 5.9 cummins, nv4500, 205 86 k30, 89 diesel burb, 76 gmc pathfinder 71 longbed 5.3 4l80 http://67-72chevytrucks.com/vboard/s...d.php?t=522535 |
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#378 |
Registered User
Join Date: Oct 2013
Location: Winfield KS
Posts: 489
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Re: NV4500 swap is underway
I would like to see your pics if you can find them. I am wanting to keep my factory shifter when I do my swap.
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88' Chevy V30 3+3 4x4 Dually 454 TBI/NV4500/NP205 |
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#379 |
Registered User
Join Date: Sep 2014
Location: anaheim ca
Posts: 11
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Re: NV4500 swap is underway
Hey larry I know its been a while since the last time but im getting closer to installing my nv4500 and 205 ifinally got clutch pedal assembly got mc installed just got a new flywheel for a 2007 6.0 i dont think i mentioned my 79 k5 has a 08 5.3 so question is what clutch and plate do I need to complete the swap. Alot of people run a old school chevy clutch but im not to sure I been reading alot im kind of confused. According to the forums the 6.0 flywheel makes up the gap on the crank on these ls engines but I run a clutch for a 6.0 I might have disengage issues not sure what do you think?
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#380 | |
Windy Corner of a Dirty Street
Join Date: Jun 2003
Location: Pueblo West, Colorado
Posts: 2,926
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Re: NV4500 swap is underway
Quote:
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Current vehicle collection: 1978 Chevrolet K10, 8.1L, NV4500, NP205 1989 Chevrolet Suburban, 8.1L, NV4500, NP241 1993 Chevrolet C1500 Sportside, TBI 7.4L, 4L60E 2001 Chevrolet K2500HD, Ext Cab, SWB, 8.1L, ZF 6 speed 2014 Chevrolet Impala LTZ 3.6L Vortec 8.1L because life is too short to tolerate underpowered vehicles
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#381 |
Registered User
Join Date: Apr 2015
Location: charleston south carolina
Posts: 2
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Re: NV4500 swap is underway
dirty larry sorry to ask such a repeat question ive recently bought an 8.1 and plan on installing in my 97 3500hd that had a 6.5 diesel with a manual 5 sp nv4500, what i gather from reading your build does the swap on require a 8.1 manual flywheel the nv4500 already existing clutch setup or am i interperting it incorrect if so what clutch would i need?
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#382 | |
Windy Corner of a Dirty Street
Join Date: Jun 2003
Location: Pueblo West, Colorado
Posts: 2,926
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Re: NV4500 swap is underway
Quote:
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Current vehicle collection: 1978 Chevrolet K10, 8.1L, NV4500, NP205 1989 Chevrolet Suburban, 8.1L, NV4500, NP241 1993 Chevrolet C1500 Sportside, TBI 7.4L, 4L60E 2001 Chevrolet K2500HD, Ext Cab, SWB, 8.1L, ZF 6 speed 2014 Chevrolet Impala LTZ 3.6L Vortec 8.1L because life is too short to tolerate underpowered vehicles
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#383 |
Registered User
Join Date: Apr 2015
Location: charleston south carolina
Posts: 2
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Re: NV4500 swap is underway
How do i identify the model nv4500 in my 97 to a 01-02 manual if their even the same. Like bellhousing patterns.
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#384 |
Registered User
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Location: Star Valley, WY
Posts: 2,038
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Re: NV4500 swap is underway
Larry, did you ever swap out your rear Detroit for a selectable?
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Steve 1971 GMC Longbox. Full Roller Stroker 489 w/ FiTech EFI, Chris Straub Cam/NV4500/205/D60/14B w. Grizzly Locker and 4.11's. 2" Lift on 33's |
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#385 | |
Windy Corner of a Dirty Street
Join Date: Jun 2003
Location: Pueblo West, Colorado
Posts: 2,926
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Re: NV4500 swap is underway
Quote:
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Current vehicle collection: 1978 Chevrolet K10, 8.1L, NV4500, NP205 1989 Chevrolet Suburban, 8.1L, NV4500, NP241 1993 Chevrolet C1500 Sportside, TBI 7.4L, 4L60E 2001 Chevrolet K2500HD, Ext Cab, SWB, 8.1L, ZF 6 speed 2014 Chevrolet Impala LTZ 3.6L Vortec 8.1L because life is too short to tolerate underpowered vehicles
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#386 |
Registered User
Join Date: Jan 2011
Location: Northern CA
Posts: 163
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Re: NV4500 swap is underway
larry if you still have that 2003 bellhousing would you consider selling it?
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#387 |
Registered User
Join Date: Dec 2011
Location: Regina, SK, Canada
Posts: 622
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Re: NV4500 swap is underway
Hey Larry, I'm considering an 8.1 swap. I have leads on an entire truck and another lead on just motor cpu and harness, which is a better option in your opinion. The motor is a 1/3 less price then truck with motor. Are there many incidentals that are beneficial having the complete truck?
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1979 Chevy Dually Crew 4X4 454, D60 Tru-trac, D70 Detroit Locker, 3.73, 4L80E/NP205 1971 GMC 3/4 Ton 4X4 |
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#388 | |
Windy Corner of a Dirty Street
Join Date: Jun 2003
Location: Pueblo West, Colorado
Posts: 2,926
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Re: NV4500 swap is underway
Quote:
Personally, I would just go after the engine and ECM. There isn’t anything else from the truck itself that you would really need, including the harness. I would not bother with a donor harness from a truck. The best $500-$700 you can spend on a swap like this is starting with a brand new fresh stand-alone harness from one of many harness vendors. Howell has a decent harness although their consistency seems to a moving target as both my K10 and Suburban harnesses were ordered alike but showed up completely different (trunk lengths, etc.). On the other hand, Howell does have a nice ECM tune for the 8.1L with or without electronic throttle. I use 96-00 L29 7.4L mechanical throttle bodies on both of mine. If you haven’t already, read through THIS thread. I created it to help 8.1L swappers with the basics and slow down on the PM and highjack traffic.
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Current vehicle collection: 1978 Chevrolet K10, 8.1L, NV4500, NP205 1989 Chevrolet Suburban, 8.1L, NV4500, NP241 1993 Chevrolet C1500 Sportside, TBI 7.4L, 4L60E 2001 Chevrolet K2500HD, Ext Cab, SWB, 8.1L, ZF 6 speed 2014 Chevrolet Impala LTZ 3.6L Vortec 8.1L because life is too short to tolerate underpowered vehicles
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#389 |
Registered User
Join Date: Dec 2011
Location: Regina, SK, Canada
Posts: 622
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Re: NV4500 swap is underway
Awesome thanx for the info, i'll keep the forums posted once the build begins.
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1979 Chevy Dually Crew 4X4 454, D60 Tru-trac, D70 Detroit Locker, 3.73, 4L80E/NP205 1971 GMC 3/4 Ton 4X4 |
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#390 |
Registered User
Join Date: Nov 2015
Location: Fort McMurray, Alberta
Posts: 18
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Re: NV4500 swap is underway
As I read your entertaining and informative threads... I start to forget the information I read earlier. That being said... I recently purchased an 8.1 out of an 04 (maybe 05, have to drive a few hours to get it) with an Allison 1000. I want to ditch the Allison in favor of an NV4500. I'm more interested in getting the later 5.61 1st gear anyway (95 and up.)
Are there any adaptabilty differences to the 8.1 between the earlier GM NV4500 and the later ones? Thanks very much in advance! |
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#391 | |
Windy Corner of a Dirty Street
Join Date: Jun 2003
Location: Pueblo West, Colorado
Posts: 2,926
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Re: NV4500 swap is underway
Quote:
__________________
Current vehicle collection: 1978 Chevrolet K10, 8.1L, NV4500, NP205 1989 Chevrolet Suburban, 8.1L, NV4500, NP241 1993 Chevrolet C1500 Sportside, TBI 7.4L, 4L60E 2001 Chevrolet K2500HD, Ext Cab, SWB, 8.1L, ZF 6 speed 2014 Chevrolet Impala LTZ 3.6L Vortec 8.1L because life is too short to tolerate underpowered vehicles
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#392 | |
Registered User
Join Date: Nov 2015
Location: Fort McMurray, Alberta
Posts: 18
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Re: NV4500 swap is underway
Quote:
Thank You! |
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#393 |
Senior Member
![]() Join Date: Aug 2008
Location: Long Beach, CA
Posts: 1,813
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Re: NV4500 swap is underway
AA makes bellhousings for both early and late GM NV4500s. PN 712577 is for 93-95 transmissions and PN 712576 is fit 96 and up. Neither of them are cheap.
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Jason M. @argonaut62 1972 K5 Blazer CST, Turquoise 1966 K20 Short Fleet Pickup, Big Ugly 1964 C10 Short Fleet, Gertrude 2001 Porsche 911 Carrera 1996 Ford Bronco XLT 1980 Jeep Wagoneer 2008 Honda CBR1000RR 2005 Honda RC51 1981 Honda CB750C No dis-assemble Johnny Five! No dis-assemble! |
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#394 |
Registered User
Join Date: Nov 2015
Location: Fort McMurray, Alberta
Posts: 18
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Re: NV4500 swap is underway
I've seen these. And I appreciate it. Just trying to figure out which transmission I should go for. Are they all internal slaves? In Larry's previous post he mentioned about slave being on the passenger side. Is this internal on the pass side or external?
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#395 |
Senior Member
![]() Join Date: Aug 2008
Location: Long Beach, CA
Posts: 1,813
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Re: NV4500 swap is underway
93-95 are all external slaves. 96 and up are the unitized slave-bearing.
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Jason M. @argonaut62 1972 K5 Blazer CST, Turquoise 1966 K20 Short Fleet Pickup, Big Ugly 1964 C10 Short Fleet, Gertrude 2001 Porsche 911 Carrera 1996 Ford Bronco XLT 1980 Jeep Wagoneer 2008 Honda CBR1000RR 2005 Honda RC51 1981 Honda CB750C No dis-assemble Johnny Five! No dis-assemble! |
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#396 |
Senior Member
![]() Join Date: Aug 2008
Location: Long Beach, CA
Posts: 1,813
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Re: NV4500 swap is underway
93-94 have the low first gear. 95+ have the higher first gear.
93-95 share the same bellhousing bolt pattern. 96+ is different. So 95 is the year to get if you want to use the factory GM bellhousing with the higher gearing. if you are just going to use an aftermarket bellhousing then it really doesn't matter. Make sense?
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Jason M. @argonaut62 1972 K5 Blazer CST, Turquoise 1966 K20 Short Fleet Pickup, Big Ugly 1964 C10 Short Fleet, Gertrude 2001 Porsche 911 Carrera 1996 Ford Bronco XLT 1980 Jeep Wagoneer 2008 Honda CBR1000RR 2005 Honda RC51 1981 Honda CB750C No dis-assemble Johnny Five! No dis-assemble! |
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#397 | |
Registered User
Join Date: Nov 2015
Location: Fort McMurray, Alberta
Posts: 18
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Re: NV4500 swap is underway
Quote:
In your wisdom, do you recommend utilizing an internal or external slave? I realize if the internal slave fails I have to take out the transmission, but is plumbing a set up for an external slave any harder? The ol' SM465 in mine has a mech linkage so I will have to retrofit. I'm not new to wrenching but I am new to swapping around parts from different years and going from a carb'd straight 6 to an EFI BB. Your knowledge sharing isn't being wasted and I appreciate your time. |
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#398 |
Senior Member
![]() Join Date: Aug 2008
Location: Long Beach, CA
Posts: 1,813
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Re: NV4500 swap is underway
Well as Larry was saying the only problem with using a factory 93-95 bellhousing with external slave is that the slave is located low on the passenger side. In the 90's the trucks switched to drivers side front driveshaft. So its a bit of a conflict having the front driveshaft on the passenger side and the slave cylinder on the passenger side because it sits kind of low on the bellhousing. If you have a god size lift and a not too flexible suspension perhaps it isn't a problem.
The plumbing isn't really any harder. You can use the factory master, line and slave cylinder. They use a unique clip type fittings. But you can buy an adapter fitting made by Russell, or similar, from Summitracing that will convert that to -AN size, in the case that you want to make a custom line or convert and use a different master cylinder.
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Jason M. @argonaut62 1972 K5 Blazer CST, Turquoise 1966 K20 Short Fleet Pickup, Big Ugly 1964 C10 Short Fleet, Gertrude 2001 Porsche 911 Carrera 1996 Ford Bronco XLT 1980 Jeep Wagoneer 2008 Honda CBR1000RR 2005 Honda RC51 1981 Honda CB750C No dis-assemble Johnny Five! No dis-assemble! |
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#399 |
Senior Member
![]() Join Date: Aug 2008
Location: Long Beach, CA
Posts: 1,813
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Re: NV4500 swap is underway
Some people have said that the internal slaves have a bad reputation of failing, and then obviously they are a pain to replace. But it sure would make the installation a lot cleaner.
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Jason M. @argonaut62 1972 K5 Blazer CST, Turquoise 1966 K20 Short Fleet Pickup, Big Ugly 1964 C10 Short Fleet, Gertrude 2001 Porsche 911 Carrera 1996 Ford Bronco XLT 1980 Jeep Wagoneer 2008 Honda CBR1000RR 2005 Honda RC51 1981 Honda CB750C No dis-assemble Johnny Five! No dis-assemble! |
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#400 |
Registered User
Join Date: Nov 2015
Location: Fort McMurray, Alberta
Posts: 18
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Re: NV4500 swap is underway
Thanks very much and I'll take it into consideration. I wonder if they really do have a high failure rate or if it's just the face that the are a PITA to install. Thanks for the time.
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