Big block and NV 4500 installed in a 4x4 - The 1947 - Present Chevrolet & GMC Truck Message Board Network

rsmarr1982 · 07-09-2020, 06:57 PM

Can anyone give me some info or a link on info and putting it 454 and an NV 4500 trans and a 4x4? I've been searching and haven't been able to locate one yet.

franken · 07-09-2020, 07:43 PM

AA has a few conversion guides to get you started. I'd suggest you go there and download a few guides to start, or read online. I have an old pdf on decoding some 4500s that I used to make sense of the barcode on mine. I haven't seen that online in many years.
Others like ord have info and parts. There are a number of build threads on this site that are great.

To overly simplify, there are early very low 1st gear and later not quite so low 1st versions.
There are GM and Dodge versions.
2x4 and 4x4 versions.
Probably the simplest thing is to use a 4x4 GM trans and a round pattern NP205, 208, or 241 (all passenger drop). Bellhousings can be an issue since I think all but the earliest 4500 BHs had a different trans bolt pattern. Some have redrilled iron BHs to fit the 4500. Bolting to a Chevy block isn't an issue.
Round pattern NP205s are pretty rare. It's possible to adapt a figure-8 205 but that has issues too.

What are you putting the 454/NV4500 in and is is a 4x4?
What TC?
Which NV4500?
Is the 454 crank ready for a pilot bearing/bushing?

http://advanceadapters.ru/pdf/gm_ebook.pdf
http://advanceadapters.ru/tech-vault...pecifications/
https://www.google.com/search?ei=D6g...4dUDCAw&uact=5

https://www.google.com/search?ei=qag...sclient=psy-ab

https://www.google.com/search?q=offr...hrome&ie=UTF-8

07-09-2020, 06:57 PM	#1
rsmarr1982 Registered User Join Date: Jul 2010 Location: mogadore ohio Posts: 867	Big block and NV 4500 installed in a 4x4 Can anyone give me some info or a link on info and putting it 454 and an NV 4500 trans and a 4x4? I've been searching and haven't been able to locate one yet. __________________ 1969 chevy c10 lwb stepside 250 6 3 ott 1971 chevy c10 lwb 250 6 with power steering 3 ott 1972 chevy k20 4x4 350/TH350 automatic 1978 chevy Malibu 4dr 305 2bbl (all original) 1979 chevy k10 Scottsdale 350/th350 full-time 4wd(daily driver)

07-09-2020, 07:43 PM	#2
franken Registered User Join Date: Jun 2013 Location: Somewhere Posts: 3,101	Re: Big block and NV 4500 installed in a 4x4 AA has a few conversion guides to get you started. I'd suggest you go there and download a few guides to start, or read online. I have an old pdf on decoding some 4500s that I used to make sense of the barcode on mine. I haven't seen that online in many years. Others like ord have info and parts. There are a number of build threads on this site that are great. To overly simplify, there are early very low 1st gear and later not quite so low 1st versions. There are GM and Dodge versions. 2x4 and 4x4 versions. Probably the simplest thing is to use a 4x4 GM trans and a round pattern NP205, 208, or 241 (all passenger drop). Bellhousings can be an issue since I think all but the earliest 4500 BHs had a different trans bolt pattern. Some have redrilled iron BHs to fit the 4500. Bolting to a Chevy block isn't an issue. Round pattern NP205s are pretty rare. It's possible to adapt a figure-8 205 but that has issues too. What are you putting the 454/NV4500 in and is is a 4x4? What TC? Which NV4500? Is the 454 crank ready for a pilot bearing/bushing? http://advanceadapters.ru/pdf/gm_ebook.pdf http://advanceadapters.ru/tech-vault...pecifications/ https://www.google.com/search?ei=D6g...4dUDCAw&uact=5 https://www.google.com/search?ei=qag...sclient=psy-ab https://www.google.com/search?q=offr...hrome&ie=UTF-8 Last edited by franken; 07-09-2020 at 08:20 PM.

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