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  1. Logbed

    Quick and easy engine rear support when transmission is removed?

    I'm going to isntall the sbc engine now but the TH700 will be ready later. The rear of the engine needs support for a while. Would be nice to be able to move the truck so jack stand is not optimal. I havent measured whether a plank of wood bolted to trans bolts would fit and rest on the frame...
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    Mechanical fuel pump return line

    I'm in a process of swapping the engine. My previous engine and fuel pump did not use the return line. Actually I just found the line was open, sort of a breather for the tanks? Now I could either put a pump without a return and just plug the line, or put a pump with a return and connect it to...
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    Steering box lash adjustment etc.

    Hi, I have the box (Saginaw 800) on the table, just replaced the pitman shaft seals, put the shaft back in and now I should adjust the bearing. Seems like the steering is 3,5 turns overall, so I centered the steering by counting the turns. Tightening the hex screw, the free play seems to go...
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    Engine mount, old or new?

    I have heard two opinions 1. Old OEM after 40 years is still better than new chinese 2. Replace them as the engine is out now. Its not about money. The new rubber ones available here cost 20-35$. Whats your opinion. (the small cracs are more visible in images than in real life)
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    Th700 cooler line nuts & tools

    What tools & tricks have you used to reach the line ends at the transmission? Specially the lower line seems almost impossible, there is dipstick and governor housing on the way, no room to turn the 1/2 line wrench. I was thinking of cutting it in half to get more rotation? Other tricks?
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    Distributor with limiter

    My 334 small block needs a distributor and there might be enough power in it for needing a rev limiter too ;) I have understood the GM Performance LT4 hot cam asks for melonized gear in the distributor, should this one work? Any posseible fitment issues? FAST XDi Street HEI Distributors 303051...
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    Engine & transmission removal & reinstall general tips

    Hi, I'm going to take a small block & Th700 out and put another similair set in. Should I take them out / reinstall together or separately? My carb plate seemed ok for lifting the engine, what about if I lift toghether with the transmission? The hood is off but can the radiator stay in...
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    Lower ball joint tool

    Should this do the out and in job in a 1985 C10...
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    Does 33x12.50R15 fit at the rear of a 2wd C10 with stock suspension, stock 8x15 wheels

    The truck is currently on 8x15 stock wheels and 31x10.50R15 tires which have ample space around them and I'll be installing 1" lift up front to level the stance a bit. I was also planning to go 32x11.50R15 tires all around, but as they are a bit rare and expensive so I figured an option: 32s up...
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    Gearing/revs for LT4 hot cam (219/228deg)

    Hi, I'm going to swap the engine to a bit punchier sbc with a GM Performance LT4 Hotcam (219/228deg, .525/.525 lift https://www.gmperformancemotor.com/parts/24502586.html ) and also the I might need to adjust/replace the gear for it has a rather loud engine braking noise so gearing change is an...
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    Parking brake cable mount for exhaust that exits to side in front of rear wheel? Pics?

    I have this setup for parking brake in my '85 longbed. The cables hang quite low on the left side in front of the rear wheel so there is not good room for side exhaust exit. How have you solved this? Seems like a different mount in the frame could help lifting the cables higher, but would it...
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    400hp small block with th700

    My C10 drivetrain has th700 and 3000 stall, 31" wheels, 4.10 gear and posi rear. The current 305 powerband makes 130hp@2500rpm and 167hp@3000rpm while max power is 220hp/4400-5200 (those are cranckshaft power estimates, 15% up from hub dyno readings (190hp max)) I have been quite happy how it...
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    1985 C10 shock recommendations

    Can you recommend shock absorbers for a normal ride height C10 1985 longbed? I'm after comfortable ride over speed bumps and bigger jolts. Right now there seems to be very little if any rebound absorption specially at the rear. My shocks are worn for sure but looking at the old Chevy commercials...
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    Softer suspension with longer travel (not a prerunner, but that style)

    Hi, I've got a 1985 C10 longbed that's rolling on 31x10.5x15 all terrain tires and GM original optional 8x15 "styled sport" wheels. It's got stock suspension which up front is ok but specially rear is bouncy and stiff. I do not carry heavy loads. I'm a big fan of prerunner trucks, those off-road...
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    Where to mount TH700 manual lock-up switch?

    Hi, What kind of switches have you used and where have you mounted them for practical operation? Pictures?
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    Fender emblems without drilling holes?

    I was thinking about reinstalling the emblems but I would not like to drill the holes if that's avoidable. How is the emblem, is there good surface on the backside for adhesive material? Any experience on this?
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    '85 C10 Silverado stock wheel size

    Hi, I have read many people refer 8x15 as the stock wheel size. This table seems to show 6 inch width as the stock wheel. https://www.wheel-size.com/size/chevrolet/c10/1985/ The rally wheels of my truck are 6.5x15 and I have wondered if they are the originals?
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    Shopping parts in SoCal?

    I might be flying from Europe to travel around San Diego - Long Beach in May. If I wanted to buy a posi differential and gears as a souvenir;):p are there retailers that you would recommend with prices comparable to Jegs and Summit?
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    Outline white letter tires

    When did they come? Just wondering are they "period correct" for a mid-late 80's truck? I remember the white letters from my teen years but outline style I do not remeber.
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    Wheel spacers or adapters w. 6.5x15 rally wheels & stock ride height?

    Hi, My '85 longbed is currently on 255/60r15 front, 275/60r15 rear tires on stock 6.5" in wheels. The plan is to get 255/70R15 white letter Cooper Cobras all around to gain some tire height and visual mass. I've also played with the idea of widening the rear track a bit and maybe just a little...
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    Gearing for performance TH700R4 + 3.73 ?

    Hi, I have an '85 longbed 2wd that has a well built 305 with the basic upgrades (Edelbrock 500 carb, performer intake, performer plus cam, HEI and 1.5in long headers). Being adjusted in a hub dyno it pulled 190hp/4600 and 250ftlbs/3100 (at the hubs). The engine also has low mileage and...
  22. Logbed

    TH350 -> TH700-r4 swap crossmember repositioning?

    Hi, How is the length difference and crossmember reposition in inches? Among other things I'm trying to figure out if my exhaust can remain the same after repositioning the crossmember? Images attached.
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    Indoors (dust) cover for a longbed c10

    Hi, Sadly in couple of months its time to park the truck for a couple of winter months to save it from the de-icing salt on the roads. I figured I could get a cheap breathable cover to keep the public garage dust away. So far I found the one behind the link, I guess it should fit good enough...
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    Power estimate, mildly modded 305?

    Hi, I'm new here, cool info everywhere, thanks! I just installed 1,5in longtube Flowtech headers to my 1985 305+TH350 Fleetside. The engine is a 305 from a 1986 Caprice. The car has no smog equipment and in addition to long headers there's a free flowing 2 1/4 double exhaust, Edelbrock...

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