What have you done to your square lately??

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WFarm

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Central Virginia
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Paul
Truck Year
1975
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K5 Blazer
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454
Finished installing the new radiator and fans and tested everything to make sure I had no leaks and the fans cycled on and off at the right temps. All was good so went for a beautiful fall drive. Seems nuts to be driving around in a topless Blazer on Nov 7 wearing a jeans and t-shirt! (Temps around 80)


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DoubleDingo

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Bagoomba
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1981
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81-C20 Silverado Camper Special-TH400-4.10s
Engine Size
Carb'ed Vortec 350
I’m replacing the cap and rotor on my distributor this afternoon. This is the first time I’ve done and any tips would be greatly appreciated!
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Was the distributor already out? If not, you just created a lot more work.
 

DoubleDingo

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No I pulled it. What do you mean ‘a lot more work’ ? What did I get into? :(
The cap and rotor can be replaced with the distributor in the engine. Typically no adjustments need to be made to the timing. Checked, yes. Now you have to get everything to drop back in correctly, to get the engine on #1 TDC firing position, not 180 out, then get the timing right.
 

Truck82

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Alderton
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Christopher
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1982
Truck Model
c20
Engine Size
350
The cap and rotor can be replaced with the distributor in the engine. Typically no adjustments need to be made to the timing. Checked, yes. Now you have to get everything to drop back in correctly, to get the engine on #1 TDC firing position, not 180 out, then get the timing right.
Ahh I see what you are saying. My distributor was installed 180 out already and I was having to time it off of a companion cylinder. I’m doing a tune up anyway so I decided I would turn the distributor back to normal and pull it all the way out. That brings up a question. Could I have turned it 180 without pulling it out? Also does anyone use a spark plug with a .060 gap or is .044 the standard gap for a 350?
 

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