Olds 350 diesel to sbc swap

Ryanbrown36 · Sunday at 1:00 PM

Ricko1966 said:
Just hook everything up as normal,leave your selector valve set to drivers side tank. When to run the passenger side tank syphon the diesel ad a couple of gallons of gas drive it a couple of days syphon it again. Fill it,done.

Thanks, really appreciate the help

Ryanbrown36 · Sunday at 1:02 PM

Strick said:
Welcome to the club fella. I just passed up a Canadian GMC that was a 5.7 diesel. Good luck in your swap & daily driver.

HS

Thanks! Where abouts are you located, don’t see many 5.7 diesels left. Mine was actually made that the Oshawa Ontario plant a few minutes from where I live. I’ve yet to see another one so far (just curious where you saw it)

Strick · Sunday at 1:14 PM

I'm in central NC. This truck I looked at was a loaded Sierra Grande. All power, tilt, cruise. It had a Starburst in the door with Canada inset. I passed on it due to price & condition.

HS

Ryanbrown36 · Sunday at 2:14 PM

Strick said:
I'm in central NC. This truck I looked at was a loaded Sierra Grande. All power, tilt, cruise. It had a Starburst in the door with Canada inset. I passed on it due to price & condition.

HS

That’s hilarious mine is a loaded sierra grande with all the same options, I only bought mine due to how unique it was and the body was immaculate knowing the how bad the motors could be but was still worth the price I got it for

fofiddyfo · Sunday at 11:51 PM

Nice truck, man! Welcome from Wisco!

ali_c20 · Monday at 3:20 AM

Welcome from Austria. Nice truck. Remove diesel, fill up with gas. Done.

JBswth · Tuesday at 3:02 AM

Ryanbrown36 said:
Hi guys, I’m looking for some help on my olds 350 diesel to sbc swap, I have completed the swap and will be starting the truck up soon but have some questions about the tank situation. I have a dual tank setup and replaced the driver side tank with a new one to make sure there was no diesel left but my old passenger side tank is still on the truck and would like to know if I should plug that off somehow and where it’s best to do so(my fuel lines are All fresh from the new tank to the motor) for reference I’m 17 and have been doing this by myself so might be a dumb question but don't really know what I’m doing and want any old diesel getting in my fuel system. Thanks in advance

If it is only a few gallons, it won't hurt. Just fill it up with gasoline. After you run one tank of gas through it, it will be free of all diesel.

J. B.

JBswth · Tuesday at 3:04 AM

Ryanbrown36 said:
Hi guys, I’m looking for some help on my olds 350 diesel to sbc swap, I have completed the swap and will be starting the truck up soon but have some questions about the tank situation. I have a dual tank setup and replaced the driver side tank with a new one to make sure there was no diesel left but my old passenger side tank is still on the truck and would like to know if I should plug that off somehow and where it’s best to do so(my fuel lines are All fresh from the new tank to the motor) for reference I’m 17 and have been doing this by myself so might be a dumb question but don't really know what I’m doing and want any old diesel getting in my fuel system. Thanks in advance

Too bad you have already done the work. I would have suggested that you replace the heads and intake with Olds 350 gasoline heads and intake. That 350 diesel, as bad as it was, is indestructible when converted to gasoline.

J. B.

Ryanbrown36 · Tuesday at 9:08 AM

JBswth said:
Too bad you have already done the work. I would have suggested that you replace the heads and intake with Olds 350 gasoline heads and intake. That 350 diesel, as bad as it was, is indestructible when converted to gasoline.

J. B.

I did look into this before my swap although this motor swap already has me in over my head as I don’t have anyone to really help so it’s all what I can find on the internet. Would’ve been sweet to do it though.

mcarlo86 · Tuesday at 1:21 PM

'81 350 diesels are rare birds! That is a cool pickup. I looked at an '81 Chevy in here in ND last year that was for sale. Also needed an injection pump. I passed on it though as a previous owner had mounted a cb radio mount to the celing and bolted it through the roof. Was pretty tempting though because of how rare they are. They have simple "diesel" badges on them that are different from the '78-80 diesel pickups.

Ryanbrown36 · Tuesday at 4:10 PM

mcarlo86 said:
'81 350 diesels are rare birds! That is a cool pickup. I looked at an '81 Chevy in here in ND last year that was for sale. Also needed an injection pump. I passed on it though as a previous owner had mounted a cb radio mount to the celing and bolted it through the roof. Was pretty tempting though because of how rare they are. They have simple "diesel" badges on them that are different from the '78-80 diesel pickups.

Yes they are definitely pretty rare now, partially why I bought it as it was a little different than all the other squares out there, and the body is basically perfect. I’m 100 percent leaving on the diesel badges bc I like how they are unique.

Olds 350 diesel to sbc swap

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