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8.1 vortec into 1979 k30
I got the headers installed but I need to relocate drivers knock sensor. I’m trying to find a knock sensor with smaller threads so I can use a different hole on the side of the block. New spark plugs installed. I made brackets and mounted the oil cooler, power steering cooler and psc external...- Lu Blunt
- Post #73
- Forum: Engine Swaps (Gas) LS, Vortec, LT1 , etc.
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8.1 vortec into 1979 k30
The gm performance 12582964 flywheel- Lu Blunt
- Post #69
- Forum: Engine Swaps (Gas) LS, Vortec, LT1 , etc.
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8.1 vortec into 1979 k30
The flywheel from the 350sbc- Lu Blunt
- Post #68
- Forum: Engine Swaps (Gas) LS, Vortec, LT1 , etc.
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8.1 vortec into 1979 k30
https://www.summitracing.com/parts/nal-12582964?srsltid=AfmBOorBvMOV7JCIkRfDrEFKocw5pRUJN0mM9U5plH2FXY0Vz7hNhqyK This is the flywheel I used with the 8.1. GM performance part number 12582964. Notes say “Also fits internally balanced Small and Big Block Chevy engines with 2-piece rear main...- Lu Blunt
- Post #66
- Forum: Engine Swaps (Gas) LS, Vortec, LT1 , etc.
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8.1 vortec into 1979 k30
I was able use my psc power steering pump with the 2500hd alternator bracket. The 8.1 oem power steering pump uses three bolts on the face and an extra bracket in the back. I swapped the studs and bracket from the oem pump onto the psc no problems. Also got the Sanderson bb-8 headers test fitted...- Lu Blunt
- Post #60
- Forum: Engine Swaps (Gas) LS, Vortec, LT1 , etc.
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8.1 vortec into 1979 k30
The aftermarket Dart intake to run a carburetor is a cool option but the intake is always back ordered and sells out immediately. Also lots of guys scamming people online saying they have one for sell. I’m looking forward to the increased drivability gained from fuel injection. The nv4500...- Lu Blunt
- Post #55
- Forum: Engine Swaps (Gas) LS, Vortec, LT1 , etc.
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8.1 vortec into 1979 k30
The space between the 8.1 and the firewall is tight but not impossible. To me it looks easier to replace crank sensor in the squarebody than a gmt800. I installed a new acdelco crank sensor with anti seize while the engine was out. Also did egr delete and adapted the oil pressure sensor to use...- Lu Blunt
- Post #54
- Forum: Engine Swaps (Gas) LS, Vortec, LT1 , etc.
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8.1 vortec into 1979 k30
I removed the transmission so I could lower the 8.1 onto the motor mounts. Today I got the new flywheel new clutch and trans all bolted together- Lu Blunt
- Post #41
- Forum: Engine Swaps (Gas) LS, Vortec, LT1 , etc.
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8.1 vortec into 1979 k30
finally got the 8.1 in the truck- Lu Blunt
- Post #40
- Forum: Engine Swaps (Gas) LS, Vortec, LT1 , etc.
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8.1 vortec into 1979 k30
Some snow and some progress- Lu Blunt
- Post #39
- Forum: Engine Swaps (Gas) LS, Vortec, LT1 , etc.
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8.1 vortec into 1979 k30
ORD engine crossmember and motor mounts- Lu Blunt
- Post #38
- Forum: Engine Swaps (Gas) LS, Vortec, LT1 , etc.
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8.1 vortec into 1979 k30
more progress- Lu Blunt
- Post #37
- Forum: Engine Swaps (Gas) LS, Vortec, LT1 , etc.
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8.1 vortec into 1979 k30
Slow train slow life but I’m back to work on the dually. Just can’t give up on the old truck. Got handful of parts for the swap and a list of things to order. The 350 looks small in the engine bay. I can’t wait for the 8.1. Anyone have a part number for the bolts that go through the bell housing...- Lu Blunt
- Post #35
- Forum: Engine Swaps (Gas) LS, Vortec, LT1 , etc.
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Question for C30 Dually owners.
One benefit of open differential is when you’re driving and the rear tire breaks traction, only one tire is going to spin. The other tire will have no power spinning it and will keep its traction helping the truck to drive straight. If you break traction with a locker, both rear tires will spin...- Lu Blunt
- Post #10
- Forum: Differential & Driveline
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Dana 60 Death Wobble
I went thru everything on my 1979 k30 3+3 before I fixed the death wobble. A good alignment shop will be able to tell if your steering has too much play or if the leaf spring bushings are too worn to stay in spec. I had the wheels n tires rotated and balanced a few times but that only seemed to...- Lu Blunt
- Post #12
- Forum: Suspension, Steering & Brakes
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8.1 vortec into 1979 k30
@Dooley You are correct about needing a big block power steering pump bracket. I have the psc pump and external reservoir now, not sure which bracket will work. @Bextreme04 You are correct, the 8.1 uses a tall deck block unique to itself. I was misinformed about it sharing the 502 block. I’m...- Lu Blunt
- Post #21
- Forum: Engine Swaps (Gas) LS, Vortec, LT1 , etc.
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8.1 vortec into 1979 k30
As far as I know the 8.1 vortec uses the 502bbc block which is based on the 454 big block, not LS* based. 8.1L is 496ci and no LS based block can be bored and stroked to that large of a displacement. 8.1L uses normal sbc/bbc engine mounts and bellhousing bolt pattern The 8.1L should mate to...- Lu Blunt
- Post #8
- Forum: Engine Swaps (Gas) LS, Vortec, LT1 , etc.
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8.1 vortec into 1979 k30
Recently found an 8.1 vortec for a good price. Wanting to swap it into my 1979 k30 with 350/sm465/np205. I’m still doing research and collecting parts. Id appreciate any recommendations for a shop in Colorado to help with the swap.- Lu Blunt
- Thread
- Replies: 77
- Forum: Engine Swaps (Gas) LS, Vortec, LT1 , etc.
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Clean straight doors (set) with glass+door panels
Manual or electric windows ? Where at in CO? Thanks -
Dually Wheel Fitment Help
Looks like it has vacuum boost brakes. Was this truck originally a 1 ton dually from the factory ?- Lu Blunt
- Post #6
- Forum: Tech Discussion
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Not a squarebody, still wears a Bowtie
That’s a C3500HD not a regular C3500. https://www.dieselhub.com/rigs/c3500hd.html Gmt400 is a great platform. The price is really going up on them as they start to become the next classic truck. Gmt800 is very similar to gmt400s except you get ls based engines and better brakes. Im not a fan of...- Lu Blunt
- Post #4
- Forum: Other Vehicles