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1996-2000 truck stock Cast iron exhaust manifold on 1985 C10
I've installed vortec heads on my 1985 305. I'm aware the 85 stock exhaust manifolds don't fit correctly. My question is; will 1996-2000 Chevy GMC Truck Exhaust Manifolds fit my 1985 C10? Has anyone done this? I'd like to retain cast iron manifolds. As I understand it headers would add very...- Geoduck
- Thread
- Replies: 11
- Forum: Engine & Performance
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Computer Control Quadrajet rebuild
My new to me 1985 ran poorly but did run. I've removed the heads and started the Quadrajet rebuild. Just pulled to top off to find...... All 13 top plate screws were finger tight. It appears the pull-off man shaft was not through the choke lever hole inside the main body. In the pictures...- Geoduck
- Thread
- Replies: 16
- Forum: Carb Fuel Systems
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15X6 Rally Wheel or cheap steel wheel option?
Just found out my 85 long bed has non-center locating steel rims. I need four wheels and new tires. Used steel wheels are hard to find in my area. New ones are $$$$. Is there an alternative used steel wheel that dog dish hubcaps fit? Local junk yard has a set of 15X6 or 6.5 Rally Wheels under...- Geoduck
- Thread
- Replies: 2
- Forum: Wheels and Tires
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THM350C alternatives or keep it?
Recently bought an 85 long bed thinking it had a 700R4 with top two gears out. Turns out its a THM350C a lock-up type with two working gears. I was unaware there was a Lock-Up THM350C. What are your thoughts on this transmission? Should I have it rebuilt or go with a standard TH350 if that's...- Geoduck
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- Replies: 8
- Forum: Automatic Transmission
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1985 Custom Deluxe non-rally steel wheel
Recently bought a 1985 C10 Custom Deluxe long bed work truck with steel wheels and dog dish caps. I'm assuming these were stock in 85? I like the simple wheel with dog dish caps very much and may do without the trim ring too. I plan to repaint the wheels and clean the hubcaps and upgrade to a...- Geoduck
- Thread
- Replies: 3
- Forum: Wheels and Tires
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Valve Spring Retainers for 305
I'm having a heck of a time finding the correct size 305 valve spring retainer sets. I ordered from Summit and the Jungle Place but the retainers were too large. In both cases I was very specific 1985 C10 305. My Go-To O'Reilly's can't get them. NAPA guy did not know what they were! Am I missing...- Geoduck
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- Replies: 11
- Forum: Engine & Performance
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New PNW member
New owner of a 1985 C10 Custom Deluxe (yea big name for base model) 305 auto. I've been looking for a number of years finally found a truly rust free C10. Please feel free to add your favorite 305 jokes I don't mind. :emotions34: Looking forward to learning from the experts here. Thanks Dan- Geoduck
- Thread
- Replies: 9
- Forum: Introduction
