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Very nice.
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And Thanks. |
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Very nice . Excellent additions.
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Beautiful truck! Wish mine had the buckets!!
New here. ‘70 SB Fleet with 402/T350/Np205. Didn’t get much feedback in the newbie section🤓 |
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Peek under the hood.
Factory AC/PS/PDB vehicle which is odd combo since it was originally a 6 banger. New to the 4x4 Ck truck game (muscle car guy) so I welcome all comments or suggestions! |
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I like it and I like it a lot
VEEEEEEEERRRRRRRRRRRY NICE |
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Welcome to the Board!! That is a great truck. Would love to see the SPID. '70s are my fav.
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Super nice!
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Love those shorties.....
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Always nice to see a fellow 70 shortbed 4X4. Welcome! Any plans for the truck? Sure looks good as is!
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My wife wants to drive the red ‘70 regularly and the old Holley has to go for starters. A big block ain’t the most efficient set up and prone to oil leaks. I have converted my wife’s ‘41 ford pickup (350/350) to efi with a Holley sniper and it sure runs good and starts all year with no drama. So considering a sniper efi upgrade on the big block, but long term I am also considering & researching an LS/overdrive conversion instead. The LS Seems a little overwhelming (and expensive) with the Np205 thrown into the mix, but once completed should be trouble & leak free. Any thoughts from members with experience on these LS Np205 4x4 conversions would be much appreciated! |
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I’m hoarding parts for my ls swap now. My plan is to keep the 465/205 in there place and mount the 6.0 wherever it needs to be to keep the stock driveshafts in place. I know that doesn’t exactly help with the od transmission in this case. For my 3100 I’ve got a turbo 400/205. I’m gonna 6.0 or even 8.1 swap that one with a 4l80E and the turbo 400 spec 205.
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I've got the 6L90 with my NP205 (kept the stock trans crossmember and location but fabricated a few mods). Happy to share any lessons learned as it's a bit harder to find LS swap info with a transfer case mixed in on the board.
I'm wiring my LS engine as I write this...prepare for a lot of work with an LS swap but I get more and more excited each day I make progress! |
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Questions; 1.crate LS or boneyard LS? 2. Turbo 400 spec NP205? Early GM NP205’s are not all the same ? Thanks in advance! |
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Negatory on the early 205’s. I believe save the adaptor housings and the coupler setups, the (84 and earlier) turbo 350 and sm465 205s are the same. ie. you can take a 465 205 and swap the adaptor housing and the coupler between the tranny output and the 205 input and convert it into a 350 205. The turbo 400 205 has a larger input shaft and bearing that requires machine work on the early 350/465 205 case to work. Because a 4L80E is basically a turbo 400 with overdrive it’s not very difficult to mount a turbo 400 205 behind a 4L80E. Does that make sense? Basically the 69-84 gm TH350/SM465 205’s are all the small diameter input shaft cases. These will all be referred to as the figure 8 or race track case because of the way the tranny adaptor bolts up. Somewhere in the mid 70’s Gm introduced a 400 205 that is the same racetrack/figure 8 pattern But had the needed bigger input bearing. In 85 they switched to what is called the round 205 (again for the pattern that the tranny adaptor bolts to it) all round 205’s will interchange between SM465 and TH400 with the correct coupler and adaptor housings. The round 205’s all use a longer 32 spline input shaft and are stronger in that area than the older 205’s. If you can find an 85-91 square body K30, you’ll get this case regardless of the transmission it’s got in it. Hope that helps with the 205’s some. There are other changes to the 205 thru the years but these are some of the more major ones.
As for my 6.0 it’s out of a totaled 2009 Silverado. |
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So if I am following you correctly since I am currently running a t350 I can assume that I likely have a smaller diameter input shaft version of the np205. Is the 700R4 the best OD auto for this NP? Or does one of the the newer electronic versions (other than the 4L80E) mate up well? Thanks again!!:metal: |
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